Search Results - "Fiksdahl, Anne"

High-Capacity Amine-Imidazole Solvent Blends for CO2 Capture by Evjen, Sigvart, Fiksdahl, Anne, Knuutila, Hanna K

“…The CO2 absorption performance of aqueous solvent blends containing four imidazoles (2-MeIm, 2-Et-4-MeIm, 2,4,5-MeIm and 1,2,4,5-MeIm) and four promoters (MEA,…”
Get full text

Mechanism of Au(III)-Mediated Alkoxycyclization of a 1,6-Enyne by Reiersølmoen, Ann Christin, Csókás, Dániel, Pápai, Imre, Fiksdahl, Anne, Erdélyi, Máté

“…Gold-mediated homogeneous catalysis is a powerful tool for construction of valuable molecules and has lately received growing attention. Whereas…”
Get full text

Symmetry of three-center, four-electron bonds by Reiersølmoen, Ann Christin, Battaglia, Stefano, Øien-Ødegaard, Sigurd, Gupta, Arvind Kumar, Fiksdahl, Anne, Lindh, Roland, Erdélyi, Máté

“…Three-center, four-electron bonds provide unusually strong interactions; however, their nature remains ununderstood. Investigations of the strength, symmetry…”
Get full text

Gold-Catalyzed Tandem Cyclizations of 1,6-Diynes Triggered by Internal N- and O-Nucleophiles by Sperger, Christian A, Fiksdahl, Anne

“…Investigations on gold-catalyzed tandem cyclization reactions of 1,6-diynes, tethered to nucleophilic functionalities such as amine, carboxylic acid, amide,…”
Get full text

Catalytic Activity of trans-Bis(pyridine)gold Complexes by Reiersølmoen, Ann Christin, Csókás, Dániel, Øien-Ødegaard, Sigurd, Vanderkooy, Alan, Gupta, Arvind Kumar, Carlsson, Anna-Carin C, Orthaber, Andreas, Fiksdahl, Anne, Pápai, Imre, Erdélyi, Máté

“…Gold catalysis has become one of the fastest growing fields in chemistry, providing new organic transformations and offering excellent chemoselectivities under…”
Get full text

Head-to-tail homo- and heterodimerization of vinylamides by hidden proton catalysis by Iqbal, Naseem, Blakstad, Guro, Fiksdahl, Anne

“…Chemoselective dimerization of vinylamides is reported. A number of vinylacylamides were shown to undergo stereoselective cationic intermolecular head-to-tail…”
Get full text

In situ detection of an unstable C,N-Au(III) chelate by 15N NMR methods by Lund, Jostein, Freyr Jónsson, Helgi, Fiksdahl, Anne

“…[Display omitted] •Au(III)-NHC-oxazoline complexes prepared from (S)-N-oxazoline-imidazolium preligands.•Structures of relatively unstable Au(III) complexes…”
Get full text

Au(III) complexes with tetradentate-cyclam-based ligands by Reiersølmoen, Ann Christin, Solvi, Thomas N, Fiksdahl, Anne

“…Chiral cyclam (1,4,8,11-tetraazacyclotetradecane) derivatives were synthesized stepwise from chiral mono-Boc-1,2-diamines and (dialkyl)malonyl dichloride via…”
Get full text

Asymmetric induction afforded by chiral azolylidene N-heterocyclic carbenes (NHC) catalysts by Strand, Ragnhild B., Helgerud, Trygve, Solvang, Tina, Dolva, Amund, Sperger, Christian A., Fiksdahl, Anne

“…Screening studies of new chiral imidazolium and triazolium based NHC salts I–VIII as ligands in asymmetric organometallic catalysis and as organocatalysts…”
Get full text

Tunable Gold‐catalyzed Reactions of Propargyl Alcohols and Aryl Nucleophiles by Jónsson, Helgi Freyr, Solvi, Thomas Nordbø, Lomeland, Sondre, Reiersølmoen, Ann Christin, Fiksdahl, Anne

“…Gold‐catalyzed transformations of 1,3‐diarylpropargyl alcohols and various aryl nucleophiles were studied. Selective tunable synthetic methods were developed…”
Get full text

Hydroxyl Functionalized Pyridinium Ionic Liquids: Experimental and Theoretical Study on Physicochemical and Electrochemical Properties by Lethesh, Kallidanthiyil Chellappan, Evjen, Sigvart, Raj, Jaganathan Joshua, Roux, Denis C. D., Venkatraman, Vishwesh, Jayasayee, Kaushik, Fiksdahl, Anne

“…Structurally modified hydroxyl functionalized pyridinium ionic liquids (ILs), liquid at room temperature, were synthesized and characterized. Alkylated N…”
Get full text

Preparation of chiral 1,2,4-triazolium salts as new NHC precatalysts by Strand, Ragnhild B., Solvang, Tina, Sperger, Christian A., Fiksdahl, Anne

“…The preparation of new chiral N,N′-disubstituted 1,2,4-triazolium based NHC salt precursors, Ia′ and Ib, from phenylhydrazine and l-phenylalanine is reported…”
Get full text

Screening analyses of pinosylvin stilbenes, resin acids and lignans in Norwegian conifers by Hovelstad, Hanne, Leirset, Ingebjorg, Oyaas, Karin, Fiksdahl, Anne

“…The content and distribution of stilbenes and resin acids in Scots pine (Pinus sylvestris) and spruce (Picea abies), sampled in central Norway, have been…”
Get full text

Synthesis of amino acid derived imidazolidinium salts as new NHC precatalysts by Strand, Ragnhild B., Helgerud, Trygve, Solvang, Tina, Sperger, Christian A., Fiksdahl, Anne

“…The preparation of new chiral symmetrically and unsymmetrically N, N′-disubstituted imidazolium based NHC salts Ib, IIb, IIIa– c and IVc– h from the amino…”
Get full text

Nitropyridyl isocyanates in 1,3-dipolar cycloaddition reactions by Holt, Jarle, Fiksdahl, Anne

“…The reactivity of 3‐nitro‐4‐pyridyl isocyanate (7) and 5‐nitropyridin‐2‐yl isocyanate (9) in 1,3‐dipolar cycloaddition reactions with azides and pyridine…”
Get full text

Polybrominated diphenyl ethers (BDEs); preparation of reference standards and fluorinated internal analytical standards by Liu, Huiling, Bernhardsen, Monica, Fiksdahl, Anne

“…Four new difluorinated tetra- and pentabromo BDE internal standards for GC–MS/GC–ECD analysis, 2F- BDE 47 , 2F- BDE 85 , 2F- BDE 99 and 2F- BDE 119 , have been…”
Get full text

A simple synthetic route to methyl 3-fluoropyridine-4-carboxylate by nucleophilic aromatic substitution by Tjosaas, Freddy, Fiksdahl, Anne

“…The nitro group of methyl 3-nitropyridine-4-carboxylate (1) has successfully been replaced by fluoride anion via nucleophilic aromatic substitution to give the…”
Get full text

Gold(I)-Catalyzed Benz[c]azepin-4-ol Synthesis by Intermolecular [5 + 2] Cycloaddition by Iqbal, Naseem, Fiksdahl, Anne

“…A gold­(I)-catalyzed intermolecular formal [2 + 5] cycloaddition for the preparation of benzofused N-heterocyclic azepine products is presented. A number of…”
Get full text

Syntheses of polyalkylated imidazoles by Evjen, Sigvart, Fiksdahl, Anne

“…We have developed improved general simple methods for large-scale preparation of polyalkylated imidazoles by improved multicomponent synthesis from…”
Get full text

Gold(I)-catalysed [3+3] cycloaddition of propargyl acetals and nitrones by Evjen, Sigvart, Fiksdahl, Anne

“…In our series of investigations to expand the understanding of the gold(I) catalysis chemistry of propargyl acetals, a gold(I) catalysed [3+3] cycloaddition…”
Get full text