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Bjarte Holmelids bilde

Bjarte Holmelid

Senioringeniør, M. Sc and Ph.D organic chemistry
  • E-postBjarte.Holmelid@uib.no
  • Telefon+47 55 58 82 29
  • Besøksadresse
    Allègt 41
    5007 Bergen
    Rom 
    3024
  • Postadresse
    Postboks 7803
    5020 BERGEN

Mass spectrometri (ESI, APCI, EI, CI, DART), GC-MS, HPLC-MS, MSMS (QqQ, QqTOF), method development GC-MS (QqQ and QqTOF), method development HPLC-MS (QqQ and QqTOF), organic chemistry, advanced organic chemistry, synthetic organic chemistry, retrosynthetic organic chemistry, carbohydrate chemistry, cyclopropane chemistry.

Vitenskapelig artikkel
  • Vis forfatter(e) 2019. Quantification of polyphenols in seaweeds: A case study of Ulva intestinalis. Antioxidants. 1-15.
  • Vis forfatter(e) 2019. Bumblebee death associated with Tilia x europaea L. Biochemical Systematics and Ecology. 16-23.
  • Vis forfatter(e) 2017. Production of monomeric phenols by formic acid assisted hydrous liquefaction of lignin. Biomass & Bioenergy. 298-309.
  • Vis forfatter(e) 2017. Non-Polar Natural Products from Bromelia laciniosa, Neoglaziovia variegata and Encholirium spectabile (Bromeliaceae). Molecules.
  • Vis forfatter(e) 2017. Lipids of Dietzia sp. A14101. Part I: A study of the production dynamics of surface-active compounds. Chemistry and Physics of Lipids. 19-30.
  • Vis forfatter(e) 2016. Iodination of Anilines with Sodium Dichloroiodate. Organic Preparations and Procedures International (OPPI). 385-392.
  • Vis forfatter(e) 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. Journal of Heterocyclic Chemistry. 711-718.
  • Vis forfatter(e) 2014. Mortality and deformities in European lobster (Homarus gammarus) juveniles exposed to the anti-parasitic drug teflubenzuron. Aquatic Toxicology. 8-15.
  • Vis forfatter(e) 2014. Arsenic-containing fatty acids and hydrocarbons in marine oils -Determination using reversed-phase HPLC-ICP-MS and HPLC-qTOF-MS. Talanta: The International Journal of Pure and Applied Analytical Chemistry. 89-96.
  • Vis forfatter(e) 2013. Toxicological assessment of the anti-salmon lice drug diflubenzuron on Atlantic cod Gadus morhua. Diseases of Aquatic Organisms. 27-43.
  • Vis forfatter(e) 2013. Reactions of epoxides with 3,3,4,4-tetraethoxybut-1-yne acetylide: selective formation of propargylic and homopropargylic alcohols. Synthesis (Stuttgart). 2567-2570.
  • Vis forfatter(e) 2012. Reactivity and reaction pathways in thermochemical treatment of selected lignin-like model compounds under hydrogen rich conditions. Journal of Analytical and Applied Pyrolysis. 37-44.
  • Vis forfatter(e) 2009. New regiospecific synthesis of tri- and tetra-substituted furans. Journal of Organic Chemistry. 3430-3443.
  • Vis forfatter(e) 2008. Stereospecific synthesis of allylic and homoallylic alcohols from functionalized propargylic alcohols. ARKIVOC. 242-268.
  • Vis forfatter(e) 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. ARKIVOC. 26-41.
  • Vis forfatter(e) 2007. Synthesis and some chemical properties of 3,3,4,4-tetraethoxybut-1-yne. Tetrahedron. 4144-4148.
  • Vis forfatter(e) 2007. Conversion of azobenzenes into N,N'-diarylhydrazines by sodium dithionite. Synlett : Accounts and Rapid Communications in Synthetic Organic Chemistry. 1695-1698.
  • Vis forfatter(e) 2007. Chemistry of acylals, part IV: BF3-catalyzed formation of substituted alpha,alpha '-bis(arylmethylidene)cycloalkanones from acylals and 1-cycloalkenyl trimethylsilyl ethers. Synthesis (Stuttgart). 3692-3696.
Vitenskapelig foredrag
  • Vis forfatter(e) 2018. Nytt potensielt virkestoff fra urgammel iransk medisinplante.
  • Vis forfatter(e) 2015. Production of Phenolic Compounds by Formic Acid-Assisted Hydrous Liquefaction of Lignin.
  • Vis forfatter(e) 2012. Thermochemical valorisation in a wood based biorefinery.
  • Vis forfatter(e) 2011. Reaction Pathways for Lignin Model Compounds under LtL-Conditions.
  • Vis forfatter(e) 2011. Production of phenols and fuel components from residual lignin: A state of the art report on the LtL concept.
  • Vis forfatter(e) 2010. The Chemistry of the Lignin to Liquid (LtL) Conversion process.
  • Vis forfatter(e) 2010. Synthesis and Reactivity of Some Unsaturated Glycosides.
  • Vis forfatter(e) 2010. Mechanistic Studies of the Lignin to Liquid (LtL) Conversion Process.
Short communication
  • Vis forfatter(e) 2015. 1,1,2,2,7,7,8,8-octaethoxyocta-3,5-diyne. Molbank. 1-5.
Hovedfagsoppgave
  • Vis forfatter(e) 2002. Ringopning av nokre 1,1,2-trihalosyklopropan, med ulike funksjonelle grupper i 2-posisjon, under basiske vilkår.
Doktorgradsavhandling
  • Vis forfatter(e) 2009. From trihalocyclopropanes to carbohydrate analogues via functionalized alkynes.
Poster
  • Vis forfatter(e) 2017. Non-polar natural products from the drought resistant Brazilian medicinal plants Bromelia laciniosa, Neoglaziovia variegata and Encholirium spectabile (Bromeliaceae).
  • Vis forfatter(e) 2012. The Effect of Reaction Conditions on Composition and Quality of Bio-Oils from Lignin Solvolysis.
  • Vis forfatter(e) 2012. The Effect of Reaction Conditions and Reaction Medium on the Output and Composition of Bio-Oils from Lignin Solvolysis.
  • Vis forfatter(e) 2011. Comparing Hydrogen Donors for Solvolytic Lignin Hydrodeoxygenation.

Se fullstendig oversikt over publikasjoner i CRIStin.

 

Selected publications (peer review) 

Ole Johan Juvik, Bjarte Holmelid, George W. Francis, Heidi Lie Andersen,Ana Paula de Oliveira, Raimundo Gonçalves de Oliveira Júnior,
Jackson Roberto Guedes da Silva Almeida and Torgils Fossen*

Non-Polar Natural Products from Bromelia laciniosa, Neoglaziovia variegata and Encholirium spectabile (Bromeliaceae)
Molecules 2017, 22, 1478; doi:10.3390/molecules22091478 www.mdpi

Ina Hvidsten*, Svein Are Mjøs, Bjarte Holmelid, Gunhild Bødtker, Tanja Barth

Lipids of Dietzia sp. A14101. Part I: A study of the production dynamics of surface-active compounds
Chemistry and Physics of Lipids 208 (2017) 19–30

Bjarte Holmelid, Leiv, K., Sydnes*

Synthesis of 1,1,2,2,7,7,8,8-Octaethoxyocta-3,5-diyne

Molbank, 1, (2015), M840; DOI: 10.3390/M840

Veronika Sele*, Jens J. Sloth, Bjarte Holmelid, Stig Valdersnes, Kasper Skov and Heidi Amlund

Arsenic-containing fatty acids and hydrocarbons in marine oils - Determination using reversed-phase HPLC-ICP-MS and HPLC-qTOF-MS

Talanta, Volume 121, (2014), 89–96 DOI: 10.1016/j.talanta.2013.12.049

 

Rustem Isanov, Bjarte Holmelid,Karl W. Törnroos and Leiv K. Sydnes*

Syntheses 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

Journal of Heterocyclic Chemistry, 2014, DOI: 10.1002\jhet2127

 

Ole B. Samuelsen, Bjørn T. Lunestad, Ann-Lisbeth Agnalt, Tore Tjensvoll, Ellen S. Grefsrud, Eva Farestveit, Bjarte Holmelid.

Mortality and deformities in European lobster (Homarus gammarus) juveniles exposed to the anti-parasitic drug teflubenzuron.

Aquatic Toxicology, volume 149, (2014), 8–15 DOI: 10.1016/j.aquatox.2014.01.019

 

Bjarte Holmelid, Leiv K. Sydnes*

Reaction of Epoxides with 3,3,4,4-Tetraethoxybut-1-yne Acetylide; Selective Formation of Propargylic and homopropargylic Alcohols       

Synthesis, 45, (2013), 2567-2570, DOI: 10.1055/s-0033-1339326

 

Pål A. Olsvik*, Ole B. Samuelsen, Ane Erdal, Bjarte Holmelid, Bjørn T. Lunestad

Toxicological assessment of the anti-salmon lice drug diflubenzuron on Atlantic cod (Gadus morhua)

Diseases of Aquatic Organisms, 105, (2013), 27-43, DOI: 10.3354/dao02613

 

Bjarte Holmelid*, Mike Kleinert, Tanja Barth

Mechanistic studies towards degradation of novel lignin model compounds

Journal of Analytical and Applied Pyrolysis, 98, (2012), 37–44.

 

Leiv K. Sydnes*, Bjarte Holmelid, Myagmarsuren Sengee, Miriam Hanstein

New Regiospecific Synthesis of Tri- and Tetra-Substituted Furans        

Journal of Organic Chemistry, 74, (2009) 3430-3443.

 

Leiv K. Sydnes*, Bjarte Holmelid, Ole H. Kvernenes, Stig Valdersnes, Mari Hodne, Kjartan Boman

Stereospecific synthesis of allylic and homoallylic alcohols from functionalized propargylic alcohols

ARKIVOC, xiv, (2008), 242-268.

 

Bjarte Holmelid, Ole H. Kvernenes, Hodne, Mari, Leiv K. Sydnes*

Ring Opening of Some 1,1,2-Trihalocyclopropanes with a Polar Substituent Attached to C-2; Further Evidence for Regioselective Attack Directed by Hydrogen Bonding

ARKIVOC, vi, (2008), 26-41.

  

Leiv K. Sydnes*, Bjarte Holmelid, Ole H. Kvernenes, Marcel Sandberg, Mari Hodne, Einar Bakstad

Synthesis and some chemical properties of 3,3,4,4-tetraethoxybut-1-yne

Tetrahedron, 63, (2007), 4144-4148.

 

Leiv K. Sydnes*, Shire Elmi, Per Heggen, Bjarte Holmelid, Didrik Malthe-Sørensen.

Conversion of Azobenzenes into N,N’-Diarylhydrazines by Sodium Dithionite

Synlett, No. 11, (2007), 1695-1698.

 

Leiv K. Sydnes*, Gry Pedersen, Bjarte Holmelid, Marcel Sandberg

Chemistry of Acylals. IV. BF3-catalyzed Formation of Substituted a,a’-Bis-(arylmethyl-idene)cycloalkanones from Acylals and 1-Cycloalkenyl Trimethyl-silyl Ethers

Synthesis, 23, (2007), 3692-3696.