Conference lecture

• Leiv K. Sydnes (2001). Teaching and Public Appreciation of Chemistry. (external link)
• Leiv K. Sydnes (2007). 3,3,4,4-Tetraethoxybutyne - An Excellent Starting Material for the Synthesis of a Range of Functionalized Compounds. (external link)
• Leiv K. Sydnes (2007). Halocyclopropanes - Compounds with Multiple Reactivity. (external link)
• Leiv K. Sydnes (2003). Arbeid med kvalitetssikring av UiB - konsekvenser for fakultetens. (external link)
• Leiv K. Sydnes (2008). Preparation of TEB and Chemistry Based on TEB. (external link)
• Leiv K. Sydnes (2000). Regioselective Conversion of 1,1,2-Trihalocyclopropanes to Alkynes. (external link)
• Leiv K. Sydnes (2009). Oxygen heterocycles from protected 2-oxo-3-butynal. (external link)
• Leiv K. Sydnes (2008). From Cyclopropanes to Modified Carbohydrates. (external link)
• Leiv K. Sydnes (2002). Nettet - eit medium for samarbeid. (external link)
• Leiv K. Sydnes (2002). Eit universitet i endring - nye utfordringar i høve til eit arbeidsliv i endring. (external link)
• Leiv K. Sydnes (2002). Realfag for alle. (external link)
• Myagmarsuren Sengee; Leiv Kristen Sydnes (2010). Michael-type Addition of Various Nucleophiles to 1,1-Diethoxybut-3-yn-2-one. (external link)
• Leiv Kristen Sydnes (2011). Application of 3,3,4,4-Tetraethoxybutyne in Synthesis. (external link)
• Leiv K. Sydnes (1998). Strategies for preparation of phenothiazine derivatives. (external link)
• Leiv K. Sydnes (2003). Kvalitetsreformen - erfaringer etter første semester. (external link)
• Leiv K. Sydnes (2003). Chemistry´s Contribution to Humanity. (external link)
• Leiv K. Sydnes (2003). Changes in Chemical Education of IUPAC. (external link)
• Leiv K. Sydnes (2001). From Cyclopropanes to Deoxygenated Carbohydrates. (external link)
• Leiv K. Sydnes (2001). Introduksjon av forelesningen EU Contest Lecture Opening Address. (external link)
• Leiv K. Sydnes (2001). Universitetet og den inkluderende skolen. (external link)
• Leiv K. Sydnes (2016). Waste and Chemistry. (external link)
• Leiv K. Sydnes (2001). Utdanningskvalitet ved UiB. (external link)
• Leiv K. Sydnes (2006). From Halogenated Cyclopropanes to Carbohydrate Analogues. (external link)
• Leiv K. Sydnes (2006). Herbal Medicines in a Global Perspective. (external link)
• Leiv K. Sydnes (2009). Photochemical Reductions and Rearrangements. (external link)
• Leiv K. Sydnes (1997). Professor Skattebøl's scientific achievements. @<Åpning av symposiet@>. (external link)
• Leiv K. Sydnes (2008). A Survey of Useful Photochemical Reactions. (external link)
• Leiv Kristen Sydnes (2014). Heterocycles from Conjugated Acetylenic Ketones. (external link)
• Leiv K. Sydnes (2001). Oksygen livsnødvendig, men også livsfarlig. (external link)
• Leiv K. Sydnes (2003). From Halogenated Cyclopropanes to Deoxygenated Carbohydrates. (external link)
• Leiv K. Sydnes (2003). Biodiversity of the Chemical Sciences. (external link)
• Leiv K. Sydnes (2013). 1,1-Diethoxybut-3-yn-2-one – A Useful Starting Material in Synthesis. (external link)
• Leiv K. Sydnes (2008). TEB - Preparation and Chemical Potential. (external link)
• Leiv K. Sydnes (2000). Framtidens miljømessige utfordringer. (external link)
• Leiv K. Sydnes (2000). The EurChem Title and the Future. (external link)
• Leiv K. Sydnes (2000). Regioselective Conversion of 1,1,2-Trihalocyclopropanes to alkynes. (external link)
• Leiv K. Sydnes (2013). Syntheses of Heterocycles from Conjugated Acetylenic Ketones. (external link)
• L.K. Sydnes (1999). Organiske reaksjoner under superkritiske forhold. (external link)
• Leiv K. Sydnes (2006). A Flexible Approach to the Synthesis of Carbohydrate Analogues. (external link)
• Leiv K. Sydnes (2002). Utvikling av grønne reaksjoner for syntetiske formål. (external link)
• Leiv K. Sydnes (2002). VISTAs fortid, nåtid og framtid. (external link)
• Leiv Kristen Sydnes (2010). Michael addition to some conjugated acetylenic ketones. (external link)
• Leiv K. Sydnes (1998). Halocyclopropanes - Useful Entities in Synthesis. (external link)
• Rustem Isanov; Bjarte Holmelid; Leiv Kristen Sydnes (2010). Synthesis and Reactivity of Some Unsaturated Glycosides. (external link)
• Aasim M. Ali; Camilla Kirkeli; Magnus Lindhard et al. (2025). Fate and effects of perfluoroalkyl substances their and alternatives in the marine environments. (external link)
• Leiv Kristen Sydnes (2010). From trihalocyclopropanes to modified carbohydrates. (external link)
• Leiv K. Sydnes (1998). The Development of Communication and InformationFlow among Chemical societies and Individual Members. (external link)
• Leiv K. Sydnes (1998). Exploring Cyclopropane Reactivity - Like Climbing Mountain Ranges. (external link)
• Leiv K. Sydnes (2003). Opening Address. (external link)
• Leiv K. Sydnes (2003). Kvalitetssikring av evaluering. (external link)
• Leiv K. Sydnes (2015). Synthesis of Various Heterocycles from Conjugated Alkynones. (external link)
• Leiv K. Sydnes (2006). REcent Advances in the Synthesis of Carbohydrate Analogues. (external link)
• Marit Kristin Leiren; Leiv K. Sydnes (2014). Investigation of a synthetic route towards Rumphellatin A. (external link)
• Leiv K. Sydnes (2009). From protected 2-oxo-3-butynal to oxygen heterocycles. (external link)
• Leiv Kristen Sydnes (2014). Some New Heterocycles from Conjugated Acetylenic Ketones. (external link)
• Leiv K. Sydnes (2003). CeCl_37H_2O-Lewis-syre for miljøvennlige synteser. (external link)
• Leiv K. Sydnes (2003). From Cyclopropanes to Carbohydrate Mimics. (external link)
• Leiv Kristen Sydnes (2012). Chemical Properties of Some Conjugated Acetylenic Ketones. (external link)
• Leiv K. Sydnes (2001). Praktisk arbeid i naturfag på barnetrinnet. (external link)
• Leiv K. Sydnes (2007). Cyclopropanes as Chemical Chamelones. (external link)
• Leiv K. Sydnes (2003). Oksimer - fotokjemisk reaktivitet og syntetisk potensial. (external link)
• Leiv K. Sydnes (2008). Chemistry Based on 3,3,4,4-Tetraethoxybutyne. (external link)
• Leiv K. Sydnes (2008). The Environment from an Organic Chemist's Point of View. (external link)
• Leiv K. Sydnes (2008). Chemistry Based on TEB. (external link)
• Aasim Ali; Roland Kallenborn; Leiv K. Sydnes et al. (2017). Photochemical transformation of pharmaceuticals and personal care products (PPCPs) in the marine environment: Simulation experiments and identification. (external link)
• Leiv K. Sydnes (2000). Er grønn kjemi virkelig grønn. (external link)
• Leiv K. Sydnes (2000). Den praktiske utdanningens plass i kjemistudiet. (external link)
• Leiv K. Sydnes (2016). 1,1,2,2-Tetraethoxybutyne – Exciting to Make and Use. (external link)
• Leiv K. Sydnes (2013). Integrity Meets Societal Responsibility: Practical Applications of the Singapore Statement's Responsibility 14. (external link)
• L.K. Sydnes (1999). Conversion of 1,1,2-Trihalocyclopropanes to Acetylenic Acetals. (external link)
• Leiv K. Sydnes (2008). Preparation of and Chemistry Based on TEB. (external link)
• Leiv K. Sydnes (2002). Science and Society. (external link)
• Leiv K. Sydnes (1998). Unsaturated Acetals from 1,1,2-Trihalocyclopropanes. (external link)
• Leiv Kristen Sydnes (2010). Sustainable Use of Nature. (external link)
• Leiv K. Sydnes (1998). Selective Reactions with Halogenated Cyclopropanes. (external link)
• Tahir Farooq; Bengt Erik Haug; Leiv Kristen Sydnes (2010). [3+2] Cycloaddition of benzyl azide to two highly functionalized alkynes. (external link)
• Leiv K. Sydnes (2009). Conversion of Halocyclopropanes to Modified Carbohydrates. (external link)
• Leiv K. Sydnes (2016). 3,3,4,4-Tetraethoxybutyne - Exciting to Make and Work with. (external link)
• Leiv K. Sydnes (2015). The Environment in an Organic-chemistry Context. (external link)
• Leiv K. Sydnes (2009). From Halocyclopropanes to Modified Carbohydrates. (external link)
• Leiv K. Sydnes (2001). Hvem, Hva, Hvor. (external link)
• Leiv K. Sydnes (2001). VISTA fleksibel aktør i norsk forskning. (external link)
• Leiv K. Sydnes (2001). Fra Stortingsmeldinig 27 til ny universitetshverdag. (external link)
• Leiv K. Sydnes (2009). [2+2] Photocycloaddition – A Valuable Synthetic Tool. (external link)
• Leiv K. Sydnes; Odd I. Optun; Anita Pettersen et al. (1997). Konformasjonsstudier av alkyl 3-hydroksyalkonater (poster). (external link)
• Leiv Kristen Sydnes (2014). Heterocycles of Medicinal Interest from Conjugated Alkynones. (external link)
• Leiv Kristen Sydnes (2014). Photochemical Reactions of Significance in the Environment. (external link)
• Leiv Kristen Sydnes (2012). The Synthesis of Heterocyclic Compounds from Conjugated Acetylenic Ketones. (external link)
• Leiv K. Sydnes (2001). IKT i undervisningen. (external link)
• Leiv K. Sydnes (2001). Universitetet i vitensenterperspektiv. (external link)
• Leiv K. Sydnes (2007). TEB – An Excellent Starting Material for the Synthesis of Carbohydrate Mimics. (external link)
• Leiv K. Sydnes (2007). Halogenated Cyclopropanes - Conpounds with Chemical Flexibility. (external link)
• Leiv K. Sydnes (2007). Cyclopropanes as Synthetic Synthons. (external link)
• Leiv K. Sydnes (2013). 1,1-Diethoxybut-3-yn-2-one: An Attractive Starting Material in Synthesis. (external link)
• Leiv K. Sydnes (2013). Organic Chemistry – A Key to Manage Our Environment. (external link)
• Leiv K. Sydnes (2013). Ethical Aspects in Chemical Education. (external link)
• Leiv K. Sydnes (2003). GATS og utdanning. Innlegg og debatt. (external link)
• Leiv K. Sydnes (2003). IUPAC - The organisation for International Cooperation in Chemistry. (external link)
• Leiv K. Sydnes (2008). Organic Chemistry and Our Environment. (external link)
• Leiv K. Sydnes (2008). Organic Chemistry and Our Environment. (external link)
• Leiv K. Sydnes (2008). Preparation of and Chemistry Based on TEB. (external link)
• Leiv K. Sydnes (2000). Undervist i modulkurset "Kjemi IV: Kjemi i dagligliv og yrkesliv Totalt 50 timer. (external link)
• Leiv K. Sydnes (2000). Base-induced Ring Opening of 1,1,2-Trihalocyclopropanes, A Reaction Involving Nucleophilic Attack of gem.Dihalocyclopropenes. (external link)
• Leiv K. Sydnes (2013). Responsible Communication of Science. (external link)
• Leiv K. Sydnes (2002). From Cyclopropanes to Carbohydrate Mimics. (external link)
• Leiv K. Sydnes (2002). The Global Future of Chemistry and IUPAC. (external link)
• Leiv Kristen Sydnes (2010). Green Chemistry – A Benefit for the Environment?”. (external link)
• Leiv Kristen Sydnes (2010). Addition reactions involving conjugated acetylenic ketones. (external link)
• Leiv K. Sydnes (1998). Selective Reactions with Halogenated Cyclopropanes. (external link)
• Leiv K. Sydnes (1998). Selective Reactions with Halogenated Cyclopropanes. (external link)
• Leiv K. Sydnes (2003). A New Element and More. (external link)
• Leiv K. Sydnes (2003). Impact of Scientific Developments on the Chemical Weapons Convention. (external link)
• Leiv K. Sydnes (2003). Studiereformens staturs og praktisering på fakultetene. (external link)
• Leiv K. Sydnes (2013). Awareness – A Bridge from Chemical Risk to Chemical Safety. (external link)
• Leiv K. Sydnes (2003). IUPAC - Vice President´s Critical Assessment 2003. (external link)
• Leiv K. Sydnes (2001). Utdanningsreformen fra lovbestemmelse til praksis. (external link)
• Leiv K. Sydnes (2006). Recent Advances in the Synthesis of Carbohydrates. (external link)
• Leiv K. Sydnes (2009). Chemistry and Our Environment. (external link)
• Leiv Kristen Sydnes (2014). Chemistry in the Service of Mankind. (external link)
• Leiv K. Sydnes (2001). Avfallsforbrenning i Rådalen kjemiske aspekter. (external link)
• Leiv K. Sydnes (2001). Science Education in Context. (external link)
• Leiv K. Sydnes (2007). Cyclopropanes - Compounds with a Tremendous Chemical Potential. (external link)
• Leiv K. Sydnes (2003). Syntese av DOPA-metabolitter ved hjelp av Diels-Alder-reaksjoner. (external link)
• Leiv K. Sydnes (2007). 3,3,4,4-Tetraethoxybutyne - A Valuable Starting Material in Synthesis. (external link)
• Leiv K. Sydnes (2013). 1,1-Diethoxybut-3-yn-2-one: A Versatile Starting Material in Synthesis. (external link)
• Leiv K. Sydnes (2003). Tilbake til naturen! resept for fornying av real- og naturfag-undervisninga. (external link)
• Leiv K. Sydnes (2013). Halogenated Cyclopropanes – Compounds with Multiple Raectivity. (external link)
• Leiv K. Sydnes (2013). Syntheses of Heterocycles from Some Conjugated Acetylenic Ketones. (external link)
• Leiv K. Sydnes (2003). Kvalitetsreformen. Innlegg og debatt. (external link)
• Leiv K. Sydnes (2003). Kjemisk industri og kjemisk krigføring - en spent relasjon. (external link)
• Leiv K. Sydnes (2000). Katalyserte, organometalliske reaksjoner i vann. (external link)
• Leiv K. Sydnes (2000). Chemistry Curriculum Development - A Global and European Perspective. (external link)
• Leiv K. Sydnes (2016). Halogenated Cyclopropanes: Preparation and Properties. (external link)
• L.K. Sydnes (1999). Tinnkjemi - muligheter og problemer i industrien. (external link)
• Leiv K. Sydnes (2008). Organic Synthesis - for Synthetic and Analytical Purposes. (external link)
• Leiv K. Sydnes (2013). Responsible Public Communication of Science. (external link)
• Leiv K. Sydnes (2006). Aryl Groups as Reactive Moieties and Reactivity Modifiers. (external link)
• Leiv K. Sydnes (2008). Preparation of TEB and Some of Its Chemical Properties. (external link)
• Leiv K. Sydnes (2002). Kva vil vi med fagreferenten?. (external link)
• Leiv K. Sydnes (2002). Kvalitetssikring ved UiB - status i arbeidet. (external link)
• Leiv K. Sydnes (2002). Miljøkrav som drivkraft i valg av industriell syntesestrategi. (external link)
• Leiv K. Sydnes (2002). KOSK-programmet, status og framtid. (external link)
• Leiv K. Sydnes (1998). Conversion of 1,1,2-Trihalocyclopropanes to Acetylenic Acetals. (external link)
• Leiv Kristen Sydnes (2010). Chemistry based on protected 2-oxo-3-butynal. (external link)
• Leiv Kristen Sydnes (2010). Nucleophilic Addition to Some Conjugated Acetylenic Ketones. (external link)
• Leiv K. Sydnes (2003). Challengees to International Cooperationm in The Chemical Sciences. (external link)
• Leiv K. Sydnes (2003). Realfaga og utfordringane vil står overfor i skolen. (external link)
• Leiv K. Sydnes (2003). The Future Governance of IUPAC. (external link)
• Leiv K. Sydnes (2009). Fundamental Organic Photochemistry. (external link)
• Leiv K. Sydnes (2016). 3,3,4,4-Tetraethoxybutyne - Exciting to Develop and Work with. (external link)
• Leiv K. Sydnes (2001). Det sentrale utdanningsutvalg og IKT i undervisningen. (external link)
• Leiv K. Sydnes (2001). Framstilling av 2-deoksygenererte karbohydrater. (external link)
• Leiv K. Sydnes (2006). A New Approach to the Synthesis of Carbohydrtae Analogues. (external link)
• Leiv K. Sydnes; Einar Bakstad (1997). Ring opening of 1,1,2-trihalocyclopropanes - mechanisms and applications (poster). (external link)
• Leiv Kristen Sydnes (2014). Our Environment from an Organic Chemist’s Point of View. (external link)

Lecture

• Leiv K. Sydnes (1997). Glimt fra kjemiens historie. (external link)
• Leiv K. Sydnes (1997). Fastfasesyntese, ny vin i gamle sekker?. (external link)
• Leiv K. Sydnes (1997). Løysingsmiddel - betydning og verkemåte i yrke og kvardag @<dobbeltforelesning@>. (external link)
• L.K. Sydnes (1999). Vaskemidler. (external link)
• Leiv K. Sydnes (1998). Sikkerhet på laboratoriet. (external link)
• Leiv K. Sydnes (1998). Norsk kjemisk industri. (external link)
• Leiv K. Sydnes (1998). Petrokjemi. (external link)
• Leiv K. Sydnes (1998). Prosjektarbeid. (external link)
• Leiv K. Sydnes (1998). Norsk kjemisk industri. (external link)
• L.K. Sydnes (1999). How to attract the younger generation to chemistry?. (external link)
• L.K. Sydnes (1999). Dagens og morgendagens kjemi dobbelforelesning. (external link)
• L.K. Sydnes (1999). Underviste modulkurset "Kjemi II: Organisk kjemi" Totalt 50 timer undervisning. (external link)
• Leiv K. Sydnes (1998). Materialer og materialkunnskap. (external link)
• Leiv K. Sydnes (1998). Kolorimetri og spektrofotometri. (external link)
• Leiv K. Sydnes (2016). Municipal waste and chemistry: What and How to Manage. (external link)
• Leiv K. Sydnes (2016). Kjemiske våpen i fred og krig. (external link)
• Leiv K. Sydnes (2013). Bioprospecting and natural product synthesis in a Norwegian Perspective – part II. (external link)
• Leiv Kristen Sydnes (2010). Chemicals are everywhere – actions and reactions. (external link)
• Leiv Kristen Sydnes (2010). Scientists’ Social Responsibility. (external link)
• Leiv Kristen Sydnes (2014). Marin bioprospektering. (external link)
• Leiv Kristen Sydnes (2014). Vår kjemiske kvardag. (external link)
• Leiv Kristen Sydnes (2014). Salt til hverdag og fest. (external link)
• Leiv K. Sydnes (2008). Chemists and Chemistry in a Global Perspective. (external link)
• Leiv K. Sydnes (2008). IUPAC - From Spectator to Actor to Prevent CW Proliferation. (external link)
• Leiv Kristen Sydnes (2014). Scientific Communication – Science or Science Fiction?. (external link)
• Leiv K. Sydnes (2007). Utdanningskvalitet og tilgjengelighet for alle. (external link)
• Leiv K. Sydnes (2015). Responsible Science, Ethical Behaviour and Codes of Conduct. (external link)
• Leiv K. Sydnes (1997). Karbon syklus i naturen @<dobbeltforelesning@>. (external link)
• Leiv K. Sydnes (1997). Oksidasjon av substituerte aniliner. (external link)
• Leiv K. Sydnes (1997). Naturfag i et yrkesrettet perspektiv @<dobbelforelesning@>. (external link)
• Leiv K. Sydnes (1996). Hvor går NKS? Vyer og muligheterulærforelening. (external link)
• Leiv K. Sydnes (1996). C60 - en ny form for karbon. Populærforelening. (external link)
• L.K. Sydnes (1999). Alt er kjemi. (external link)
• Leiv K. Sydnes (1998). Søppelfyllingkjemi. (external link)
• Leiv K. Sydnes (1998). Fagkunnskap og bedriftskultur. (external link)
• L.K. Sydnes (1999). Mitt drømmebibliotek, en brukers krav og forventninger til UB. (external link)
• L.K. Sydnes (1999). Moderne metoder for analyse og strukturoppklaring av organiske stoffer Trippelforelesning. (external link)
• Leiv K. Sydnes (1998). Sink - et mangfoldig reagens i organisk syntese. (external link)
• Leiv K. Sydnes (1998). Kolorimetri. (external link)
• Leiv K. Sydnes (1998). Vann som løsningsmiddel i organisk syntese. (external link)
• Leiv K. Sydnes (2009). Dual Use of Chemicals – Consequences and Actions. (external link)
• Annette Lykknes; Rolf Jonas Persson; Leiv Kristen Sydnes (2024). Periodesystemet før og nå: Om tredimensjonale modeller og navnsetting av ny-fremstilte grunnstoffer. (external link)
• Leiv Kristen Sydnes (2014). 100 år med kjemiske våpen. (external link)
• Leiv K. Sydnes (2007). A Future Without Chemical Weapons?. (external link)
• Leiv K. Sydnes (2007). Chemistry for Development - A World Need and An IUPAC Priority. (external link)
• Leiv K. Sydnes (2009). Science Support to the Chemical Weapons Convention. (external link)
• Leiv K. Sydnes (2009). Ethics, Science and Development – A Dynamic Triangle?. (external link)
• Leiv K. Sydnes (1997). Sentrale miljøproblemer i et kjemisk perspektiv @<dobbeltforelesning@>. (external link)
• L.K. Sydnes (1999). Reaksjoner i organisk kjemi. (external link)
• Leiv K. Sydnes (1998). Reaksjoner i organisk kjemi. (external link)
• Leiv K. Sydnes (1998). Miljøkunnskap. (external link)
• Leiv K. Sydnes (1998). Prosjektarbeid i kjemiundervisningen i den videregående skolen. (external link)
• Leiv K. Sydnes (1998). Hva skjer med IUPAC. (external link)
• Leiv K. Sydnes (1998). Moderne metoder for strukturoppklaring av organiske stoffer. (external link)
• Leiv K. Sydnes (1998). Lithium - et fleksibelt reduksjonsmiddel i organisk syntese. (external link)
• Leiv K. Sydnes (1998). Drivkrefter som fører til kjemiske reaksjoner. (external link)
• Leiv K. Sydnes (1998). Moderne metoder for analyse og strukturoppklaring av organiske stoffer. (external link)
• Leiv K. Sydnes (1998). Miljøkunnskap. (external link)
• Leiv K. Sydnes (1998). Sulfoner - kameloner i organisk syntese. (external link)
• Leiv K. Sydnes (2016). Kjemi for framtida. (external link)
• Leiv K. Sydnes (2016). The Women in Science Manifesto. (external link)
• Leiv K. Sydnes (2013). Kjemiske våpen – kjemiens bakside, men likevel verdig en Nobelpris. (external link)
• Leiv K. Sydnes (2000). Er norske realister gode nok?. (external link)
• Leiv K. Sydnes (2013). The Need to Know about Chemical Weapons. (external link)
• Leiv K. Sydnes (2015). Chemistry - A Core Science to Slove Important Challenges. (external link)
• Leiv K. Sydnes (2008). Biofuel, Green Chemistry, and Food Safety – A Sustainable Triangle?. (external link)
• Leiv K. Sydnes (2007). Why is Chemical Safety and Security an Important Issue for Chemists?. (external link)
• Leiv K. Sydnes (2007). Will Increased Diversity and Creativity in the Chemical Sciences Make It Easier to Violate the Chemical Weapons Convention?. (external link)
• Leiv K. Sydnes (2009). Hvordan utdanne PhDer til norske virksomheter?. (external link)
• Leiv K. Sydnes (1997). Reduksjon, oksidasjon og antioksidanter @<dobbelforelesning@>. (external link)
• Leiv K. Sydnes (1997). Bruk av Internett i kjemiundervisninga. (external link)
• Leiv K. Sydnes (1997). Kjemisk forskning og etikk. (external link)
• Leiv K. Sydnes (1997). Bruk av retrosyntetisk analyse i organisk syntese. (external link)
• Leiv K. Sydnes (1997). Fastfasesyntese - status og framtidsutsikter?. (external link)
• Leiv K. Sydnes (1996). Photoreduction of Halogenated Cyclopropanes. (external link)
• Leiv K. Sydnes (1996). Mangan i organisk kjemi - mer enn permanganat. (external link)
• Leiv K. Sydnes (1998). Moderne metoder for strukturoppklaring av kjemiske forbindelser. (external link)
• Leiv K. Sydnes (1998). Materialer, avfall og forurensning. (external link)
• Leiv K. Sydnes (1998). Materialer og materialkunnskap. (external link)
• L.K. Sydnes (1999). Kretsløp av karbon, svovel, fosfor og nitrogen dobbelforelesning. (external link)
• Leiv K. Sydnes (1998). Avfall og forurensning. (external link)
• Leiv K. Sydnes (1998). Organiske reaksjonar i vatn. (external link)
• Leiv K. Sydnes (2013). Useful Photochemical Transformations. (external link)
• Leiv K. Sydnes (2000). Organiske stoffer blant fugler, fisk og folk. (external link)
• Leiv Kristen Sydnes (2010). Twenty Five Years with OKV. (external link)
• Leiv Kristen Sydnes (2010). Chemistry and Sustainability and The International Year of Chemistry. (external link)
• Leiv Kristen Sydnes (2014). Freedom and Responsibility in the Conduct of Science. (external link)
• Leiv Kristen Sydnes (2014). Green Chemistry for Sustainable Development. (external link)
• Leiv K. Sydnes (2015). Chemistry in the Service of Mankind and Earth. (external link)
• Leiv K. Sydnes (2008). Chemical Research Applied to World Needs. (external link)
• Leiv K. Sydnes (2015). Chemicals in our lives: Necessary but also dangerous. (external link)
• Leiv K. Sydnes (2015). Chemistry Weapons - A By-product of Chemistry Worth a Nobel Prize. (external link)
• Leiv K. Sydnes (2016). Science and Societal Needs. (external link)
• Leiv K. Sydnes (1997). Reaksjonsfart - om katalysatorar og katalysatorgifter @<dobbelforelesning@>. (external link)
• Leiv K. Sydnes (1997). Trinnvis framrykning gjennom kjemiens historie @<dobbeltforelesning@>. (external link)
• Leiv K. Sydnes (1997). Nyhende i kjemien @<dobbeltforelesning@>. (external link)
• Leiv K. Sydnes (1996). Kjemiens utvikling globalt og lokalt. (external link)
• Marcel Sandberg; Leiv K. Sydnes (1996). Nukleofile reaksjoner med noen acylaler. (external link)
• Leiv K. Sydnes (1996). Kjemien, livet, miljøet - et daglig trekantdrama. (external link)
• Leiv K. Sydnes (1998). Sikkerhet på laboratoriet. (external link)
• Leiv K. Sydnes (1998). Materialer, avfall og forurensning. (external link)
• Leiv K. Sydnes (1998). Forsøk og laboratoriearbeid i den videregående skolen. (external link)
• Leiv K. Sydnes (1998). Kjemi i dagens samfunn. (external link)
• L.K. Sydnes (1999). Kjemi til hverdag og fest. (external link)
• Leiv K. Sydnes (1998). Avfallshåndtering som prosjektarbeid. (external link)
• Leiv K. Sydnes (2016). Kjemiske våpen gjennom historien. (external link)
• Leiv K. Sydnes (2016). Responsible science and ethical behaviour 31. OKV, Skeikampen, Norway, January 7th, 2016. (external link)
• Leiv K. Sydnes (2009). Chemistry for a Better Future. (external link)
• Leiv K. Sydnes (2009). Vår kjemiske hverdag. (external link)
• Leiv K. Sydnes (2013). Knowledge and Awareness – The Bridge from Chemical Risk to Chemical Safety?. (external link)
• Leiv Kristen Sydnes (2014). Ethical Standards for Scientists: Do We Really Need a Code of Conduct?. (external link)
• Leiv Kristen Sydnes (2014). Kjemi og etikk. (external link)
• Leiv Kristen Sydnes (2014). IUPAC and the Chemical Weapons Convention. (external link)
• Leiv K. Sydnes (2008). Chemists and Chemistry in Society. (external link)
• Leiv K. Sydnes (2016). Er el-biler og vindmøller så miljøvennlige som vi tror?. (external link)
• Leiv K. Sydnes (2008). What does IUPAC do and how does it function?. (external link)
• Leiv K. Sydnes (2008). IUPAC – Advancing Worldwide Chemistry and Chemistry Worldwide. (external link)
• Roland Kallenborn; Leiv K. Sydnes (2018). Searching for contaminants of emerging concern by combining synthetic and trace analytical Chemistry. (external link)
• Leiv K. Sydnes (2007). Global Chemical Challenges. (external link)
• Leiv K. Sydnes (2007). Why Is Awareness An Important Issue?. (external link)
• Leiv K. Sydnes (2015). Knowledge and Awareness: A Bridge from Chemical Risk to Chemical Safety. (external link)
• Leiv Kristen Sydnes (2014). Serving Mankind through Chemistry. (external link)
• Leiv K. Sydnes (2015). Chemistry is Everywhere and Attention is Needed. (external link)
• Leiv K. Sydnes (2009). Science as a Basis for Sound Chemical Management. (external link)

Academic article

• Stig Valdersnes; Leiv K. Sydnes (2009). Preparation of 2-Ethoxy-3-hydroxy-4-(perfluoroalkyl)tetrahydropyran Derivatives from Substituted 4- Ethoxybut-3-en-1-ols. (external link)
• Stig Valdersnes; Ingrid Apeland; Guro Flemmen et al. (2012). Toward the Synthesis of Modified Carbohydrates by Conjugate Addition of Propane-1,3-dithiol to alpha,beta-Unsaturated Ketones. (external link)
• Marit Kristin Leiren; Karl Wilhelm Törnroos; Leiv K. Sydnes (2017). Formation of tricyclo[6.3.0.02,5]undecane derivatives during attempts to make the rumphellatin A–C oxacarbon skeleton. (external link)
• Tor Henning Hemmingsen; John Sigurd Svendsen; Leiv Kristen Sydnes (1988). Silver-ion assisted methanolysis of 2,2-dibromo-1-methylcyclopropanecarboxylic acid and 2,2-dibromo-1,3-dimethylcyclopropanecarboxylic acid. (external link)
• Aasim Ali; Roland Kallenborn; Leiv K. Sydnes et al. (2017). Photolysis of pharmaceuticals and personal care products in the marine environment under simulated sunlight conditions: irradiation and identification. (external link)
• Tahir Farooq; Leiv Kristen Sydnes; Karl Wilhelm Törnroos et al. (2012). Debenzylation of Functionalized 4-and 5-substituted 1,2,3-fTriazoles. (external link)
• Myagmarsuren Sengee; Leiv Kristen Sydnes (2011). Michael Addition of Various Nitrogen and Oxygen Nucleophiles to 1,1-Diethoxybut-3-yn-2-one. (external link)
• Armelle, V. Agasøster; Laila Tungodden; Daniel Cejka et al. (2001). Chorpromazine-induced increase in dipalmitoylphosphatidylserine surface area in monolayers at room temperature. (external link)
• Myagmarsuren Sengee; Leiv Kristen Sydnes (2011). Specific conjugate addition to alpha,beta-acetylenic ketones. (external link)
• Magne Olav Sydnes; Vebjørn Eikemo; Per Gunnar Espedal et al. (2023). Evaluation of photodegradable chitin synthetase inhibitors for the treatment of salmon lice (Lepeophtheirus salmonis). (external link)
• E. Jørgensen; Leiv K. Sydnes; L. K. Isaksen (1994). Oil Analysis with Respect to Various 2- and 3-Alkylated cis-Bicyclo@<3.3.0@>octanes. (external link)
• Leiv K. Sydnes; Einar Bakstad (1996). Formation of acetylenic acetals by ring opening of 1,1,2-trihalocyclopropanes under phase-transfer conditions. (external link)
• Leiv K. Sydnes; Stig Valdersnes (2007). Recent advances in the synthesis of carbohydrate analogs. (external link)
• Rianne Harmsen; Annfrid Sivertsen; Davide Michetti et al. (2013). Synthesis and docking of novel piperidine renin inhibitors. (external link)
• Leiv Sydnes; Karl F.S. Alnes; Anita Pettersen et al. (2009). Thermal ring opening of 1,1-dibromo and 1-bromo-2-chloromethylcyclopropanes: observation of a formal debromochlorination. (external link)
• Marcel Sandberg; Leiv K. Sydnes (2000). The Chemistry of Acylals Part III. Cyanohydrin Esters from Acylals with Cyanide Reagents. (external link)
• Audun Aukrust; David Grace; Leiv K. Sydnes et al. (2002). The Structures of DPDP, CdDPDP and ZnDPDP as Studied by X-ray Diffraction and NMR. (external link)
• H Svendsen; H P Rønningsen; L K Sydnes et al. (1983). Separation and characterization of mononitro derivatives of phenanthrene, pyrene, chrysene, fluoranthene and triphenylene. (external link)
• Leiv K. Sydnes; Tor Hemmingsen (1985). Seasonal Variations in Weathering and Toxicity of Crude Oil on Seawater under Arctic Conditions. (external link)
• Bjarte Holmelid; Ole Heine Kvernenes; Mari Hodne et al. (2008). Ring opening of some 1,1,2-trihalocyclopropanes with a polar substituent attached to C-2; evidence for regioselective attack directed by hydrogen bonding. (external link)
• A. Varnier; L. M. Tungodden; D. Cejka et al. (2001). Marked Fluidization by Chlorpromazine of Dipalmitoylphosphatidylserine Monolayers at Room Temperature. (external link)
• John Sigurd Svendsen; Leiv Sydnes; Jon Elling Whist (1985). Absolute Configuration of 3-Hydroxyadipic Acid in Human Urine. (external link)
• John Sigurd Svendsen; Leiv Sydnes; Jon Elling Whist (1984). Dicarboxylic Acid Metabolism in Man Studied by Combined Gas Chromatography-Mass Spectrometry. (external link)
• Mahdi Balali-Mood; Pieter S. Steyn; Leiv K. Sydnes et al. (2008). Impact of scientific developments on the chemical weapons convention (IUPAC technical report). (external link)
• Inger-Britt Falk-Petersen; Elin Kjørsvik; S. Lønning et al. (1985). Toxic effects of hydroxylated aromatic hydrocarbons on marine embryos. (external link)
• Leiv Sydnes; Tor Hemmingsen (1985). Silver Ion-Assisted Methanolysis of Some Functionalized Bromocyclopropane Derivatives. (external link)
• Leiv K. Sydnes (2003). Allenes fro Cyclopropanes and Their Use in Organic Synthesis - Recent Developments. (external link)
• Margaret A. Brimble; David StC. Black; Richard Hartshorn et al. (2013). Rules for abbreviation of protecting groups (IUPAC Technical Report). (external link)
• Leiv K. Sydnes; Einar Bakstad (1996). Preparation and subsequent reactions of halo- and alkoxyhalocyclopropanes. (external link)
• Leiv K. Sydnes; Marcel Sandberg (1997). The chemistry of acylals. 1. The reactivity of acylals towards Grignard and organolithium reagents. (external link)
• Leiv K. Sydnes; Einar Bakstad (1997). A new and simple synthezis of cyclonon-2-ynone. (external link)
• Uranbaatar Erdenebileg; Inger Høstmark; Karina Polden et al. (2014). Synthesis and reactivity of 4-amino-substituted furfurals. (external link)
• Astrid Nordbotten; L K Sydnes; Tyge Greibrokk (1984). Preparation and characterization of dinitroperylenes. (external link)
• Leiv K. Sydnes; Tor Hemmingsen (1986). The Photochemical Decomposition of 9,10-Dimethyl-9,10-Dihydro-9,10-Epidioxyanthracene: A Reinvestigation. (external link)
• Leiv K. Sydnes; Bjarte Holmelid; Myagmarsuren Sengee et al. (2009). New regiospecific synthesis of tri- and tetra-substituted furans. (external link)
• Leiv K. Sydnes; Shire Elmi; Per Heggen et al. (2007). Conversion of azobenzenes into N,N'-diarylhydrazines by sodium dithionite. (external link)
• Weidong Shang; Mariangela Terranova; Leiv Kristen Sydnes et al. (2014). Multivariate optimization of a cyclopropanation, the key step in the synthesis of 3,3,4,4-tetraethoxybut-1-yne. (external link)
• Leiv K. Sydnes; P. F. F. Pereira; Marcel Sandberg et al. (2001). Reduction of Cyclopropanecarboxylic Acids by Borane, a Chemoselective Reaction Sensitive to Steric Interactions and Reaction Conditions. (external link)
• L.K. Sydnes; I.C. Burkow; Mona Kvivesen et al. (1999). Methylphenanthrenecarboxaldehydes by Selective Cerium(IV) Oxidation of Dimethylphenanthrenes". (external link)
• Leiv K. Sydnes; Bjarte Holmelid; Ole Heine Kvernenes et al. (2008). Stereospecific synthesis of allylic and homoallylic alcohols from functionalized propargylic alcohols. (external link)
• Leiv K. Sydnes; J.H. Hemmingsen; S. Skare et al. (1985). Seasonal variations in weathering and toxicity of crude oil on seawater under Arctic conditions. (external link)
• Myagmarsuren Sengee; Jacobus Johannes Eksteen; Silje Nergård et al. (2019). Preparation and assessment of self-immolative linkers for therapeutic bioconjugates with amino- and hydroxyl-containing cargoes. (external link)
• Tor Hemmingsen; Jon Sigurd Svendsen; Leiv Sydnes (1988). Silver-ion Assisted Methanolysis of 2,2-Dibromo-1-methylcyclopropancarboxylic Acid and 2,2-Dibromo-1,3-dimethylcyclopropancarboxylic Acid. (external link)
• Leiv Sydnes; Tor Hemmingsen (1985). Seasonal Variations in Weathering and Toxicity of Crude Oil on Seawater under Arctic Conditions. (external link)
• Leiv Kristen Sydnes; Rustem Isanov; Myagmarsuren Sengee et al. (2013). Regiospecific synthesis of tetra-substituted furans. (external link)
• Leiv K. Sydnes (2016). Regiospecific preparation of substituted furans from some 5-substituted derivatives of 1,1-diethoxyalk-3-yn-2-ones. (external link)
• E. A. Hagen; T. Loennechen; L K Sydnes et al. (1984). Synthesis of Ac-Asp-Gly-Ser and Ac-Asp-Pro-Leu-Gly-NH2. (external link)
• Marit Kristin Leiren; Stig Valdersnes; Leiv K. Sydnes (2013). Selective transformations of a diprotected 2-oxobutanedia. (external link)
• Einar Bakstad; Leiv K. Sydnes (1998). Regiospecific Ring Opening of some Methyl- and Phenylsubstituted 1,1,2-Trihalocyclopropanes to Acetylenic Acetals or Ketals by Variation of the Reaction conditions. (external link)
• Marcel Sandberg; Leiv K. Sydnes (1998). The Chemistry of acylals. Part II. Formation of Nitriles by Treatment of Acylals with Trimethylsilyl Azide in The Presence of a Lewis Acid. (external link)
• Leiv K. Sydnes; Hans Henrik Øvrebø (1997). Photochemical reduction of gem-dihalocyclopropanes. 2. Proof of formation of a cyclopropyl radical during irridation of 1,1-dibromo-2-phenylcyclopropanes. (external link)
• Liv Guri Faksness; Per Johan Brandvik; L.K. Sydnes (2008). Composition of the water accommodated fractions as a function of exposure times and temperatures. (external link)
• Ingebjørg Nes; Leiv Kristen Sydnes (2015). Formation of N-Heterocycles from 1,1-Diethoxy-5-hydroxyalk-3-yn-2-ones. (external link)
• Leiv K. Sydnes (2000). Formation of Acetylenes by Ring Opening of 1,1,2-Trihalcyclopropanes. (external link)
• Leiv K. Sydnes; Lars Skattebøl (2000). Organisk kjemi - fortid og framtid. (external link)
• Berit Iversen; L K Sydnes; Tyge Greibrokk (1985). Characterization of nitrobenzanthracenes and nitrodibenzanthracenes. (external link)
• K.-M. Marnela; E. A. Hagen; Arne Jørgen Aasen et al. (1984). Mass Spectrometric Studies of some Synaptosomal and Synthetic Peptides. (external link)
• Leiv K. Sydnes; Bjarte Holmelid; Ole Heine Kvernenes et al. (2007). Synthesis and some chemical properties of 3,3,4,4-tetraethoxybut-1-yne. (external link)
• Frank Hansen; Leiv K. Sydnes (2020). Diels-Alder reactions with 1,1-diethoxybut-3-yn-2-one and some 1,1-diethoxy-5-hydroxyalk-3-yn-2-ones and their acetates. (external link)
• Ludvik Olai Espeland; Leiv Kristen Sydnes (2024). 5-Diethoxymethyl-1,1-diethoxy-5-hydroxyundeca-3,6-diyn-2-one. (external link)
• Torfinn Håland; Leiv Kristen Sydnes (2014). Formation of N,O-acetalsin the production of x-ray contrast agents. (external link)
• Shire Elmi; Per Heggen; Bjarte Holmelid et al. (2016). Iodination of Anilines with Sodium Dichloroiodate. (external link)
• Weidong Shang; Magnus John E. Fairhurst; Leiv K. Sydnes (2016). Preparation of silyl-protected γ-hydroxylated α,β-unsaturated acetylenic ketones and their reactions with some nucleophiles. (external link)
• L.J. Sæthre; Inger-Britt Falk-Petersen; L.K. Sydnes et al. (1984). Toxicity and reactivity of methyl naphthalenes. (external link)
• Tor Hemmingsen; Jon Sigurd Svendsen; Leiv K. Sydnes (1988). Silver-ion Assisted Methanolysis of 2,2-Dibromo-1-methylcyclopropancarboxylic Acid and 2,2-Dibromo-1,3-dimethylcyclopropancarboxylic Acid. (external link)
• Leiv K. Sydnes; Tor Hemmingsen (1985). Silver Ion-Assisted Methanolysis of Some Functionalized Bromocyclopropane Derivatives. (external link)
• Bjarte Holmelid; Leiv K. Sydnes (2013). Reactions of epoxides with 3,3,4,4-tetraethoxybut-1-yne acetylide: selective formation of propargylic and homopropargylic alcohols. (external link)
• Leiv K. Sydnes; Van Ha Doan (2009). Cyclobutanes and Cyclobutenes from Photochemical Cleavage of Some Bicyclo[3.2.0]heptan-2-ones. (external link)
• Bjarte Holmelid; Leiv Kristen Sydnes (2015). 1,1,2,2,7,7,8,8-octaethoxyocta-3,5-diyne. (external link)
• Audun Aukrust; Thoralf Engebretsen; Leiv K. Sydnes et al. (2001). Hydrates of Gadolinium Diethylenetriaminepentaacetic Acid Bis(methylamide) as Studied by X-ray Diffraction. (external link)
• Stig Valdersnes; Roland Kallenborn; Leiv K. Sydnes (2006). Identification of several Tonalide (R) transformation products in the environment. (external link)
• Leiv K. Sydnes (2000). FECS tar steg i riktig retning. (external link)
• E J Johansen; L K Sydnes; Tyge Greibrokk (1984). Separation and characterization of mononitro derivatives of benzo(a)pyrene, benzo(e)pyrene and benzo(ghi)perylene. (external link)
• Leiv K. Sydnes (2001). International Union of Pure and Applied Chemistry, en organisasjon i gjennomgripende forandring. (external link)
• Einar Bakstad; A.S. Olsen; Marcel Sandberg et al. (1999). Neighbouring-group Influence on the Ring Opening of 2-Aryloxymethyl-1,1,2-tribomocyclopropanes under Phase-transfer Conditions. (external link)
• Inger britt Falk-pettersen; Elin Kjørsvik; R Kleven et al. (1983). Some field and laboratory data from an oil spill in northern Norway during April 1982. (external link)
• Leiv K. Sydnes; Susanna M. Petrova (2020). Formation of an Isomeric Mixture of Dienynes Instead of a Diallene. (external link)
• L.K. Sydnes; H.H. Øvrebø; T. Engebretsen (1999). Photochemical Reduction of gem-Dihalocyclopropanes.III.Debromination of Some Compounds Containing Two 1,1-Dibromocyclopropane Moieties. (external link)
• Susanne M. Petrova; Leiv K. Sydnes (2020). Formation of an isomeric mixture of dienynes instead of a diallene. (external link)
• A. Aukrust; A. Raknes; C. Sjøgren et al. (1997). Polymorphism of gadolinium diethylenetriaminepentaacetic acid bis (methylamide) (GdDTPA-BMA) and dysprosium diethylenetriaminepentaacetic acid bis (methylamide) (DyDTPA-BMA). (external link)
• Rianne Harmsen; Leiv Kristen Sydnes; Karl Wilhelm Törnroos et al. (2011). Synthesis of trans-4-Triazolyl-Substituted 3-Hydroxypiperidines. (external link)
• T. Loennechen; Tom Bergan; L K Sydnes et al. (1984). Synthesis of D-Ala-D-Ala Analogues with Postulated Antibacterial Activity. (external link)
• Leiv Sydnes; Tor Hemmingsen (1986). The Photochemical Decomposition of 9,10-Dimethyl-9,10-Dihydro-9,10-Epidioxyanthracene: A Reinvestigation. (external link)
• Vebjørn Eikemo; Bjarte Holmelid; Leiv K. Sydnes et al. (2022). Photodegradable Antimicrobial Agents: Synthesis and Mechanism of Degradation. (external link)
• Leiv K. Sydnes; Ole Heine Kvernenes; Stig Valdersnes (2005). From 3,3,4,4-tetraethoxybutyne to carbohydrate mimics. (external link)
• Aasim Ali; Helene Thorsen Rønning; Leiv Kristen Sydnes et al. (2017). Detection of PPCPs in marine organisms from contaminated coastal waters of the Saudi Red Sea. (external link)
• Aasim Musa Mohamed Ali; Roland Kallenborn; Leiv K. Sydnes (2017). Photolysis of pharmaceuticals and personal care products in the marine environment under simulated sunlight conditions: irradiation and identification. (external link)
• Leiv K. Sydnes; Gry Søvik Pedersen; Bjarte Holmelid et al. (2007). Chemistry of acylals, part IV: BF3-catalyzed formation of substituted alpha,alpha '-bis(arylmethylidene)cycloalkanones from acylals and 1-cycloalkenyl trimethylsilyl ethers. (external link)
• Katie Smallwood; Ralf Trapp; Robert Mathews et al. (2013). Impact of scientific developments on the Chemical Weapons Convention (IUPAC Technical Report). (external link)
• Karl F. Strømsheim Alnes; Leiv K. Sydnes (2006). Synthesis and trapping of some substituted 1-bromocyclopropenes. (external link)
• Aasim Musa Mohamed Ali; Leiv K. Sydnes; Walied Alarif et al. (2019). Diclofenac and two of its photooxidation products in the marine environment: Their toxicology and occurrence in Red Sea coastal waters. (external link)
• Vebjørn Eikemo; Leiv K. Sydnes; Magne Olav Sydnes (2021). Photodegradable antimicrobial agents - Synthesis, photodegradation, and biological evaluation. (external link)
• Leiv K. Sydnes; Marcel Sandberg (2002). Aldehyde Acylals - Valuable Compounds in Synthesis When Treated Properly. (external link)
• Rustem Isanov; Bjarte Holmelid; Karl Wilhelm Törnroos et al. (2015). Synthesis of (E)-1,1-diethoxy-3-(3-hydroxy-3-arylfuro[2,3-b]quinoxalin-2(3H)-ylidene)propan-2-ones via acid-catalyzed, stereoselective 5-exo-dig cyclization. (external link)
• Leiv Kristen Sydnes (2024). A teaching module in research integrity and ethics for university students based on the IUPAC living-code approach. (external link)
• Tahir Farooq; Bengt Erik Haug; Leiv Kristen Sydnes et al. (2012). 1,3-Dipolar cycloaddition of benzyl azide to two highly functionalized alkynes. (external link)

Non-fiction monograph

• Kjell Reistad; Marit Mangerud; Leiv K. Sydnes (1997). Kjemi 2KJ Lærerhefte. (external link)
• Kjell Reistad; Leiv K. Sydnes; Marit Mangerud (1998). Kjemi 3KJ Laboratoriebok med oppgaver. (external link)
• Mohammed Mosihuzzaman; Leiv Kristen Sydnes (2010). Herbal Products in Healthcare - Challenges and Potential. (external link)
• Kjell Reistad; Marit Mangerud; Leiv K. Sydnes (1997). Kjemi 2KJ Grunnbok. (external link)
• Kjell Reistad; Leiv K. Sydnes; Marit Mangerud (1998). Kjemi 3KJ Lærehefte. (external link)
• Michal Rachel Suissa; Leiv K. Sydnes (1997). Laboratoriearbeid i organisk kjemi; teori og praksis. Ny utgave. (external link)
• Michal Rachel Suissa; Leiv K. Sydnes (1996). Laboratoriearbeid i organisk kjemi. Teori og praksis. (external link)
• Kjell Reistad; Marit Mangerud; Leiv K. Sydnes (1997). Kjemi 2KJ Oppgaver og øvinger. (external link)
• Kjell Reistad; Leiv K. Sydnes; Marit Mangerud (1998). Kjemi 3KJ Grunnbok. (external link)

Conference poster

• Uranbaatar Erdenebileg; Leiv Kristen Sydnes (2010). Syntheses of aminofurans from 5-hydroxybut-3-yn-2-one. (external link)
• Tahir Farooq; Bengt Erik Haug; Leiv K. Sydnes (2009). Cycloaddition with highly functionalized terminal alkynes. (external link)
• Marit Kristin Leiren; Leiv K. Sydnes (2013). Towards the Synthesis of Rumphellatin A, an Antibacterial Agent of Marine Origin. (external link)
• S. D. During; H. Hühnerfuss; Roland Kallenborn et al. (2002). Enantioselective Chromatographic Analyses of Transformation Products from Polycyclic Musks. (external link)
• Marit Kristin Leiren; Leiv K. Sydnes (2013). Towards the Synthesis of Rumphellatin A, an Antibacterial Agent of Marine Origin. (external link)
• Torfinn Håland; Ole H. Homestad; Erlend Hvattum et al. (2013). Synthesis of X-ray contrast agents, isolation of by-products and mechanistic studies. (external link)
• Aasim Musa Mohamed Ali; Bjørn Einar Grøsvik; Liv Ingeborg Rosvoll Søfteland et al. (2024). Fate and effects of perfluoroalkyl substances and their precursors and alternatives in Norwegian marine environment and seafood species (FEARLESS). (external link)
• Aasim Musa Mohamed Ali; Bjørn Einar Grøsvik; Liv Ingeborg Rosvoll Søfteland et al. (2024). Fate and effects of perfluoroalkyl substances and their precursors and alternatives in Norwegian marine environments and seafood species (FEARLESS). (external link)
• Chris Storm Stavaas; Leiv K. Sydnes (2015). Synthesis of some functionalized furans. (external link)
• Leiv K. Sydnes (2006). 3,3,4,4-Tetraethoxybutyne (TEB) - A Valuable Starting Material in Organic Synthesis. (external link)
• Leiv K. Sydnes (2000). Synthetic Transformations of 3,3,4,4-Tetraethoxy-1-butyne. (external link)
• Myagmarsuren Sengee; Trond Vidar Hansen; Leiv K. Sydnes (2013). Large scale preparation of all-(Z)-pentadecatri-6,9,12-enal. (external link)
• Rianne Harmsen; Annfrid Sivertsen; Davide Michetti et al. (2012). Synthesis and docking of 4-triazolyl substituted piperidine derivatives as novel renin inhibitors. (external link)
• Rianne Harmsen; Leiv Kristen Sydnes; Karl Wilhelm Törnroos et al. (2011). Synthesis of 3,4-disubstituted piperidines. (external link)
• Leiv K. Sydnes (1997). Organisk syntese. (external link)
• Rianne Harmsen; Leiv Kristen Sydnes; Bengt Erik Haug (2011). Synthesis of 3,4-disubstituted piperidines. (external link)

Letter to the editor

• Leiv Kristen Sydnes (2010). Slik får vi de beste. (external link)
• Leiv Kristen Sydnes (2010). Minneord over professor Gunnar Aksnes. (external link)
• Leiv K. Sydnes (2007). Forskningsfinansiering her til lands. (external link)
• Leiv K. Sydnes (2007). Faglig videreutvikling er nøkkelen. (external link)
• Leiv K. Sydnes (2007). Kort ned ventetiden. (external link)
• Leiv Kristen Sydnes (2014). Fengslet i Tyrkia uten lov og dom. (external link)
• Leiv K. Sydnes (2003). Nye studenter - ein ressurs for UiB. (external link)
• Leiv K. Sydnes (2001). Prising av lærerkurs ved UiB. (external link)
• Leiv K. Sydnes (2015). Hvor mange skal ofres for at få skal lykkes?. (external link)
• Leiv Kristen Sydnes (2024). Kan noe læres av statsrådenes refuserte masteroppgaver?. (external link)
• Leiv K. Sydnes (2002). Kvalitetsreformen hra utfordringer til alle. (external link)
• Leiv K. Sydnes (2002). Bokstaver vil gi jobb. (external link)
• Leiv K. Sydnes (2003). Studenter og studiefrykt. (external link)
• Leiv K. Sydnes (2003). Nyskapning i praksis. (external link)
• Leiv K. Sydnes (2003). Solaas blir cand mag. (external link)
• Leiv Kristen Sydnes (2010). Minneord – professor Gunnar Aksnes. (external link)
• Leiv K. Sydnes (2002). Hagtvet og utdanningsreformen. (external link)
• Leiv K. Sydnes (2000). FECS har talt: Listen over 100 framtredende europeiske kjemikere klar. (external link)
• Leiv K. Sydnes (2000). Hovedfagsstudiet og opplæring i forskning. (external link)
• Leiv K. Sydnes (2007). Forskning og belønning. (external link)
• Leiv K. Sydnes (2002). Faktafeil om reformen. (external link)
• Leiv K. Sydnes (2002). Redaktørrykter om reformen. (external link)
• Leiv K. Sydnes (2002). Duell: Tall eller bokstav. (external link)
• Leiv K. Sydnes (2000). UiB, fjernlån og annet. (external link)
• Leiv K. Sydnes (2000). Satser regjeringen på forskning. (external link)
• Leiv K. Sydnes (2007). Honorar og troverdighet. (external link)
• Leiv K. Sydnes (2007). Regjeringens stipendiatsatsing. (external link)
• Leiv K. Sydnes (2007). Tilgang på vitenskapelige tidsskrifter. (external link)
• Leiv K. Sydnes (2008). Open Access og disputaspraksis. (external link)
• Leiv K. Sydnes (2008). Noe er råttent ved Universitetet i Bergen. (external link)
• Leiv Kristen Sydnes (2014). IUPAC and ICSU – A Comment. (external link)

Editorial/Leader article

• Leiv K. Sydnes (2007). Why on earth be(come) an IUPAC member?. (external link)
• Leiv K. Sydnes (2013). Update the Chemical Weapons Convention. (external link)
• Leiv K. Sydnes (2002). IUPAC in a Changing World. (external link)
• Leiv K. Sydnes (2005). Reflections at the End of a Presidency. (external link)
• Leiv K. Sydnes (2007). IUPAC Prize for Young Chemists. (external link)
• Leiv K. Sydnes (2006). Chemistry - A Core Science with a Political Dimension. (external link)

Media feature article

• Leiv K. Sydnes (2003). Kjemiske våpen i krig og fred. (external link)
• Leiv K. Sydnes (2003). Et kritisk år for høyere utdanning. (external link)
• Leiv K. Sydnes (1994). Mnemonikk - knapt et hjelpemdiddel i kjemiundervisningen. (external link)
• L.K. Sydnes (1999). God start på et nytt år: Organisk vintermøte. (external link)
• Leiv K. Sydnes; Helge Salvesen; Paul Stray (2000). Bibliotek i omstilling. (external link)
• Leiv K. Sydnes (1997). M. Klessinger, J. Michl: Excited states and photochemistry of organic molecules. Bokomtale. (external link)
• Leiv K. Sydnes (1997). Opphavsrett til hovedoppgavene - en kommentar. (external link)
• Leiv K. Sydnes (1998). Iwao Omae: Applications of Organometallic Compounds. (external link)
• Leiv K. Sydnes; T. Hudlicky; M. Cebulak (1994). Cyclitols and Their Derivatives. (Bokomtale). (external link)
• Leiv K. Sydnes (1994). Guldberg-Waage medaljen til to NTH-professorer. (external link)
• Leiv K. Sydnes; T. Hudlicky; M. Cebulak (1997). Carol E. Wayne, Richard P. Wayne: Photochemistry. Bokomtale. (external link)
• L.K. Sydnes (1999). IB-ein bærebjelke ved UiB. (external link)
• L.K. Sydnes (1999). Noen tanker omkring et drømmebibliotek. (external link)
• Leiv K. Sydnes (2002). Kjemikalier og kjemisk krigføring. (external link)
• Leiv K. Sydnes (1998). UIB og eksternt finansiert forskning. (external link)
• Leiv K. Sydnes (2001). Livskvalitet og kjemikalier. (external link)
• Roland Kallenborn; Leiv K. Sydnes; Rolf David Vogt et al. (2017). Kan vi få en fremtid uten forurensning fra kjemikalier?. (external link)
• Leiv K. Sydnes; T. Hudlicky; M. Cebulak (1997). Carol E. Wayne, Richard P. Wayne: Photochemistry. Bokomtale. (external link)
• L.K Sydnes (1999). Universitetsutdanning: Bør den praktiske grunnutdanningen i kjemi legges om?. (external link)
• Leiv K. Sydnes (2008). Fem teser for et bedre universitet. (external link)
• Leiv K. Sydnes (2002). Næringslivet og utdanningssektoren - sektorer i uavhengig omstilling?. (external link)
• Leiv K. Sydnes (2002). Kvalitet koster. (external link)
• Leiv K. Sydnes (1998). Behandling av kreft med lys og luft, Skolelaboratorium i realfag. (external link)
• Leiv K. Sydnes; H. M. Cartwright (1994). Application of Artifical Intelligence in Chemistry. (Bokomtale). (external link)
• Leiv K. Sydnes; T. Hudlicky; M. Cebulak (1997). Årets organiske vintersamrøre vel i havn. (external link)

Media interview

• Leiv K. Sydnes (2013). Revision of the Chemical Weapons Convention. (external link)
• Leiv K. Sydnes (2008). Radio interview in about the work I am involved in through the International Union of Pure and Applied Chemistry to apply chemistry to solve world needs. (external link)
• Leiv K. Sydnes (2013). The Chemical Weapons Convention. (external link)
• Leiv Kristen Sydnes; Beyza Kural (2014). International Observer Speaks up on Büsra Ersanli's Trial. (external link)
• Leiv K. Sydnes (2013). Challenges in the field of Chemical Weapons. (external link)
• Leiv K. Sydnes (2013). Terror-Risiko Giftgas. (external link)
• Inger Lisbeth Ødesneltvedt; Olav Røli; Hans-Rene Bjørsvik et al. (2009). NATURVITENSKAPEN OG FREMTIDEN Grønt fra grunnen. (external link)

Popular science article

• Leiv K. Sydnes; Francesco De Angelis; Guiseppe Della Gatta (2007). Torino - Passion Lives Here. (external link)
• Leiv K. Sydnes (1996). Asbjørn Hordvik til minne. (external link)
• Leiv K. Sydnes (1996). Forskning, ideer og nyskapning. (external link)
• Leiv K. Sydnes (2016). CHEMRAWN XX Herbal Medicine for Health Care in the 21st Century. (external link)
• Leiv K. Sydnes; Roger Femwick (2008). Chairing Scientific Meetings. (external link)
• Leiv K. Sydnes (2016). Nok et inspirerende organisk vintermøte. (external link)
• Trond Vidar Hansen; Yngve H. Stenstrøm; Rolf Carlson et al. (2022). Professor Tomáš Hudlický — in Memoriam. (external link)
• Leiv K. Sydnes (1996). European Chemist - en ny fagtittel tilgjengelig for norske kjemikere. (external link)
• Leiv Kristen Sydnes (2010). CHEMRAWN: CHEMical Research Applied to World Needs. (external link)
• Leiv K. Sydnes (2002). Kjemikalier og kjemisk krigføring. (external link)
• Leiv K. Sydnes; Roger Fenwick (2006). Chairing Scientific Symposia. (external link)

Journal review

• Leiv K. Sydnes (2002). Book review: "Francis A. Carey and Richard J. Sundberg: Advanced Organic Chemistry". (external link)
• Leiv K. Sydnes (2000). 15. organisk kjemisk vintermøte - en faglig oase- møteomtale. (external link)
• Leiv K. Sydnes (2006). Young European Chemists. (external link)
• Leiv K. Sydnes; H.J. Quadbeck-Seeger; R. Faust et al. (2000). World Records in Chemistry. (external link)

Professional article

• Leiv Kristen Sydnes (2024). Science History Institute – et eldorado for dypere innsikt i utvikling og anvendelse av vitenskapelig tankegang. (external link)
• Leiv Kristen Sydnes (2014). Vania G. Zuin is awarded the CHEMRAWN VII Prize for Atmospheric and Green Chemistry. (external link)
• Leiv Kristen Sydnes (2014). Hva i all verden er og gjør ICSU?. (external link)
• Leiv Kristen Sydnes (2024). Kjemi på VilVite. (external link)
• Leiv Kristen Sydnes (2010). Noen refleksjoner etter en internasjonal kongress. (external link)
• Leiv Kristen Sydnes (2024). Avfallsdeponier – en kostbar arv fra fortiden. (external link)
• Leiv Kristen Sydnes (2010). Another Organic Synthesis Boost. (external link)
• Leiv Kristen Sydnes (2014). IUPAC, OPCW and the Chemical Weapons Convention. (external link)

Non-fiction book chapter

• Leiv K. Sydnes; Magne O. Sydnes (2017). Synthesis of Isomeric Bicyclopropyls from Conjugated Dienes. (external link)

Radio or TV participation

• Leiv K. Sydnes (2001). Om elektronisk publisering og prisstigninigen på tidsskrifter. (external link)
• Leiv K. Sydnes (2001). Kampen mot oksygen. (external link)
• Leiv K. Sydnes (2001). Plastikk. (external link)
• Leiv K. Sydnes (2001). Salt. (external link)
• Leiv K. Sydnes (2000). Studiogjest Schrødingers katt. (external link)
• Leiv K. Sydnes (2007). Væskeforbud og flysikkerhet. (external link)
• Leiv K. Sydnes (2006). International Cooperation in Research and Education. (external link)
• Leiv K. Sydnes (2001). Feromoner. (external link)
• Leiv K. Sydnes (2001). Molekyler er ikke flate. (external link)
• Leiv K. Sydnes (2001). Når kjemien stemmer. (external link)
• Leiv K. Sydnes (2001). Kjemiske reaksjoner. (external link)
• Leiv K. Sydnes (2001). Karbon. (external link)

Academic book chapter

• Leiv K. Sydnes (1997). @<Synthesis of cyclobutenes@> by transformation of other cyclobutenes. (external link)
• Geir Wing Gabrielsen; L.K. Sydnes (2009). Pollution in the Barents Sea. (external link)
• L.K. Sydnes (1999). Etter- og videreutdanning i matematisk-naturvitenskapelige fag i Universitets- og Høgskolesektoren. (external link)
• Geir Wing Gabrielsen; Leiv K. Sydnes (2009). Pollution in the Barents Sea. (external link)
• Yngve Stenstrøm; Leiv K. Sydnes (1997). @<Synthesis of cyclobutanes@> by transformation of other cyclobutanes. (external link)
• Leiv K. Sydnes (1996). Synthesis [of cyclopropanes] by reaction of C-C double bond systems with arylcarbenes. (external link)
• Leiv K. Sydnes (1996). Synthesis [of cyclopropanes] without cleavage of a cyclopropyl-carbon bond [by] substitution reactions. (external link)
• Leiv K. Sydnes (1996). Synthesis [of cyclopropanes] by functional group interconversions. (external link)

Master’s thesis

• Kjartan Tobias Boman; Leiv K. Sydnes (2004). Forsøk på syntese av noen karbohydratanaloger fra3,3,4,4-tetraetoksy-1-butyn. (external link)

Academic literature review

• Heidelore Fiedler; Roland Kallenborn; Jacob de Boer et al. (2020). The Stockholm Convention: A living instrument for the global regulation of persistent organic pollutants (POPs). (external link)
• Ludvik Olai Espeland; Leiv Kristen Sydnes (2024). From Dienophiles to Dienes: Catalysis by Polystyrene-Supported Triphenylphosphine with Penta-2,4-dione as Co-Catalyst. (external link)
• Heidelore Fiedler; Roland Kallenborn; Jacob de Boer et al. (2019). The Stockholm Convention - A Tool for the Global Regulation of Persistent Organic Pollutants. (external link)
• Carmen Nájera; Leiv K. Sydnes; Miguel Yus (2019). Conjugated ynones in organic synthesis. (external link)
• Leiv K. Sydnes (2018). How to curb production of chemical weapons. (external link)

Doctoral thesis (PhD)

• Marit Kristin Leiren; Leiv K. Sydnes (2015). Towards a total synthesis of Rumphellatin A. (external link)
• Ole Heine Kvernenes; Leiv K. Sydnes (2005). 3,3,4,4-Tetraethoxy-1-butyne and analogues as synthons in organic synthesis. (external link)
• Rianne Harmsen; Bengt Erik Haug; Leiv Kristen Sydnes (2012). Synthesis of novel renin inhibitors. (external link)
• Weidong Shang; Leiv K. Sydnes (2016). Syntheses and reactivity of some functionalized alkynones. (external link)
• LG Faksness; Leiv K. Sydnes; Per Johan Brandvik (2008). Weathering of oil under Arctic conditions Distribution and toxicity of water soluble oil components dissolving in seawater and migrating through sea ice. A combined laboratory and field study. (external link)
• Tahir Farooq; Bengt Erik Haug; Leiv Kristen Sydnes (2012). Synthesis of Some Nitrogen Heterocycles of Medicinal Relevance. (external link)
• Bjarte Holmelid; Leiv K. Sydnes (2009). From trihalocyclopropanes to carbohydrate analogues via functionalized alkynes. (external link)

Conference abstract

• Leiv K. Sydnes (2005). Chemistry: From a dubious science to a respected necessity in a decade?. (external link)
• Rianne Harmsen; A Sivertsen; Davide Michetti et al. (2012). Synthesis and docking of 4-triazolyl substituted piperidine derivatives as novel renin inhibitors. (external link)

Exhibition production

• Leiv K. Sydnes; Christine Lohre (2013). Combating Chemical Weapons. (external link)

Academic monograph

• Leiv K. Sydnes; Scarlett Biselli; Robert Gatermann et al. (2004). Biotic and Abiotic Transformation Pathways of Synthetic Muska. (external link)

Research report

• K.-M. Marnela; E. A. Hagen; T. Loennechen et al. (1986). Mass Spectrometric Analyses of Aspartyl-Taurine Peptides. (external link)

Book anthology

• Leiv K. Sydnes; Ole Heine Kvernenes (2006). SYNTHESIS OF 2-CHLOROACROLEIN DIETHYL ACETAL (2-Chloroprop-2-enal, diethyl acetal) in ORGANIC SYNTHESES. (external link)

Encyclopedia entry

• Yngve Stenstrøm; Leif K. Sydnes; Armin de Meijere (1997). Cyclobutanes: Synthesis by transformation of other cyclobutanes. (external link)
• Yngve Stenstrøm; Leif K. Sydnes (1997). Cyclobutanes: Synthesis by transformation of other cyclobutanes. (external link)

Working paper

• Hans-Rene Bjørsvik; Leiv Kristen Sydnes; Bengt Erik Haug (2010). IUPAC ICOS-18 Proceedings. (external link)

See a complete overview of publications in Cristin.