All articles by Per Kolsaker

34 articles

Articles in volume 16 (1962)

The Hydrogenation of 3-Methylphthalide.

Kolsaker, Per

Pages: 1056-1057.

DOI number: 10.3891/acta.chem.scand.16-1056
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Articles in volume 19 (1965)

Ozonization of Compounds of the Type Ar-CH=CH-G. Cis-trans Isomeric Ozonides from Methyl p-Methoxy Cinnamates. I. Structure of the Ozonides.

Kolsaker, Per

Pages: 223-228.

DOI number: 10.3891/acta.chem.scand.19-0223
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Articles in volume 21 (1967)

Ozonation of Compounds of the Type Ar-CH=CH-G; Ozonation in Methanol.

Kolsaker, Per; Bailey, Philip S.

Pages: 537-546.

DOI number: 10.3891/acta.chem.scand.21-0537
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Articles in volume 23 (1969)

Cyclic Compounds from Acetopyruvic Esters. Part IV. Revision of Previous Results.

Berner, Endre; Kolsaker, Per

Pages: 597-610.

DOI number: 10.3891/acta.chem.scand.23-0597
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Articles in volume 24 (1970)

Ozonation of Allenic Hydrocarbons.

Kolsaker, Per; Teige, Brita

Pages: 2101-2108.

DOI number: 10.3891/acta.chem.scand.24-2101
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Articles in volume 27 (1973)

Ring Inversion in Substituted Spiro[2.5]octanes.

Kolsaker, Per; Storesund, Hans Johan; Schaug, Jan; Larsen, Grete Wøien

Pages: 1460-1462.

DOI number: 10.3891/acta.chem.scand.27-1460
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Glyoxylic Acid as Reductant in Ozonolysis. I.

Kolsaker, Per; Bernatek, Erling; Johanson, Ronnie; Hytta, Ruth

Pages: 1526-1530.

DOI number: 10.3891/acta.chem.scand.27-1526
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Articles in volume 28b (1974)

High Resolution Mass Spectra of Aromatic gamma-Dilactones.

Kolsaker, Per

Pages: 371-373.

DOI number: 10.3891/acta.chem.scand.28b-0371
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Articles in volume 29b (1975)

Ozonation of Carbodiimides.

Kolsaker, Per; Jøraandstad, Ottar

Pages: 7-12.

DOI number: 10.3891/acta.chem.scand.29b-0007
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Articles in volume 32b (1978)

Formation of cis- and trans-Ozonides from Cinnamic Esters.

Kolsaker, Per

Pages: 557-560.

DOI number: 10.3891/acta.chem.scand.32b-0557
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alpha-Methoxycarbonyl-Delta(alpha,beta)-butenolides from gamma-Bromoalkylidene Malonates.

Berg, Arne Strøm; Kolsaker, Per

Pages: 665-670.

DOI number: 10.3891/acta.chem.scand.32b-0665
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The Crystal Structure of Dicyano-1-methyl-3H-Isoindoleninium Methylide.

Rømming, Christian; Kolsaker, Per

Pages: 679-682.

DOI number: 10.3891/acta.chem.scand.32b-0679
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The Reaction of 1-[o-Bromomethylphenyl]alkylidenemalonate, Cyanoacetate or Malononitrile with Azide Ion. Intramolecular 1,3-Dipolar Cycloaddition.

Kolsaker, Per; Ellingsen, Peter O.; Wøien, Grete

Pages: 683-686.

DOI number: 10.3891/acta.chem.scand.32b-0683
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Articles in volume 33b (1979)

Ozonation of Allenic Esters.

Kolsaker, Per; Børresen, Steinar

Pages: 133-137.

DOI number: 10.3891/acta.chem.scand.33b-0133
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Nucleophilic Reactions of o-Halomethylbenzylidenemalonates, Cyano Esters and Malonitriles.

Kolsaker, Per; Ellingsen, Peter O.

Pages: 138-140.

DOI number: 10.3891/acta.chem.scand.33b-0138
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Stereochemistry of Some Substituted gamma-Butyrolactones.

Kolsaker, Per; Berg, Arne Strøm

Pages: 755-759.

DOI number: 10.3891/acta.chem.scand.33b-0755
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Articles in volume 34b (1980)

Formation of Cyclopropanes from 2-Bromo-1-phenylalkylidenemalononitriles and Nucleophiles.

Berg, Arne S.; Kolsaker, Per

Pages: 289-293.

DOI number: 10.3891/acta.chem.scand.34b-0289
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The Formation of Bicyclic gamma-Lactones from gamma-Bromoalkylidene Malonates.

Gulbrandsen, Trygve; Kolsaker, Per

Pages: 305-307.

DOI number: 10.3891/acta.chem.scand.34b-0305
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Synthesis of 2-Bromo-2-methyl-1-(o-bromomethylphenyl)propylidene-malononitrile and its Reactions with Selected Nucleophiles.

Kolsaker, Per; Hellebostad, Kirsti

Pages: 721-729.

DOI number: 10.3891/acta.chem.scand.34b-0721
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Articles in volume 35b (1981)

On the Reaction of the Half Ester of 2-Methylpropylidene Malonic Acid with N-Bromosuccinimide. Preparation of Ethyl Methyl (E)-2-Bromo-2-methylpropylidenemalonate.

Kolsaker, Per; Brobakke, Kristin

Pages: 701-705.

DOI number: 10.3891/acta.chem.scand.35b-0701
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Articles in volume 37b (1983)

The Reaction between Diazoalkanes and Allylic Halides Carrying Electronegative gamma-Substituents. 1. Solvent Effects in the Decomposition of 4-(1-Bromo-1-methylethyl)-4,5-dihydro-3H-3,3-pyrazoledicarbonitrile.

Kolsaker, Per; Storesund, Hans-Johan; Gulbrandsen, Trygve; Wøien, Grete

Pages: 187-195.

DOI number: 10.3891/acta.chem.scand.37b-0187
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The Reaction between Diazoalkanes and Allylic Halides Carrying Electronegative gamma-Substituents. 2. Formation and Decomposition of Dimethyl 4-(1-Bromo-1-methylethyl)-5-aryl-4,5-dihydro-3H-3,3-pyrazoledicarboxylates.

Gulbrandsen, Trygve; Kolsaker, Per

Pages: 197-202.

DOI number: 10.3891/acta.chem.scand.37b-0197
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The Reaction between Diazoalkanes and Allylic Halides Carrying Electronegative gamma-Substituents. 3. The Crystal Structures of Dimethyl 4-(1-Bromo-1-methylethyl)-5-phenyl-4,5-dihydro-3H-pyrazole-3,3-dicarboxylate and Dimethyl 2-(1-Bromo-1-methylethyl)-3-phenyl-1,1-cyclopropanedicarboxylate.

Gulbrandsen, Trygve; Rømming, Christian; Kolsaker, Per

Pages: 203-208.

DOI number: 10.3891/acta.chem.scand.37b-0203
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The Reaction between Diazoalkanes and Allylic Halides Carrying Electronegative gamma-Substituents. 4. Conformational Equilibria of Highly Substituted 1-Pyrazolines.

Gulbrandsen, Trygve; Kolsaker, Per

Pages: 219-225.

DOI number: 10.3891/acta.chem.scand.37b-0219
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Syntheses and Properties of Hexa- and Heptachlorostyrenes with Fully Chlorinated Aromatic Nuclei.

Kolsaker, Per; Storflor, Harry; Brobakke, Kristin; Carlberg, Georg E.

Pages: 823-831.

DOI number: 10.3891/acta.chem.scand.37b-0823
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Articles in volume 42b (1988)

Protolysis of Cyclopropanes with Geminal Electronegative Substituents.

Kolsaker, Per; Jensen, Ann Kristin

Pages: 345-353.

DOI number: 10.3891/acta.chem.scand.42b-0345
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Articles in volume 50 (1996)

Atropisomerism in 2-(2,2-Dicyano-1-methylethenyl)benzoic Acid and 3-(2,2-Dicyano-1-methylethenyl)thiophene-2-carboxylic Acid Studied by Solid-State 13C NMR Spectroscopy and X-Ray Crystallography.

Rømming, Christian; Kolsaker, Per; Wiberg, Are; Skjetne, Tore

Pages: 48-53.

DOI number: 10.3891/acta.chem.scand.50-0048
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Reaction between 2-Phenyl-1,1-dicyanoallyl Anion and N-Methyl-2,2-dimethylpropionitrilium and N1,N2,N2-Trimethyl-2,2-dimethylpropionylamidinium Trifluoromethanesulfonates.

Kolsaker, Per; Karlsen, Hege; Rømming, Christian

Pages: 623-632.

DOI number: 10.3891/acta.chem.scand.50-0623
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Articles in volume 51 (1997)

Dimerization of Cyclopropanecarbonitrile Mediated by Grignard Reagents. Formation of Highly Substituted Pyridines.

Kolsaker, Per; Songe, Pål; Rømming, Christian

Pages: 1104-1111.

DOI number: 10.3891/acta.chem.scand.51-1104
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Articles in volume 52 (1998)

The Analogy Between C=O and C=C(CN)2: Structural Properties of 3-(N,N-Dialkylamino)propenones and 4-(N,N-Dialkylamino)-1,1-dicyano-1,3-butadienes.

Karlsen, Hege; Kolsaker, Per; Rømming, Christian; Uggerud, Einar

Pages: 391-398.

DOI number: 10.3891/acta.chem.scand.52-0391
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Ring-Chain Tautomerism in 2-(2,2-Dicyano-1-methylethenyl)benzoic Acid and Related Compounds.

Kolsaker, Per; Arukwe, Joe; Barcóczy, József; Wiberg, Are; Fagerli, Anne Kristine

Pages: 490-498.

DOI number: 10.3891/acta.chem.scand.52-0490
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Syntheses and Reactions of Some Cyclopropyl-Substituted Imines. Part 1.

Songe, Pål; Kolsaker, Per; Rømming, Christian

Pages: 790-796.

DOI number: 10.3891/acta.chem.scand.52-0790
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Articles in volume 53 (1999)

Syntheses and Reactions of Some Cyclopropyl-substituted Imines. Part 2. Structural and Conformational Properties of Dicyclopropylketimine as Studied by Microwave Spectroscopy and Quantum Chemical Calculations.

Songe, Pål; Marstokk, K.-M.; Møllendal, Harald; Kolsaker, Per

Pages: 291-294.

DOI number: 10.3891/acta.chem.scand.53-0291
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Reactions between 1,1-Dicyano-2-phenylallyl Anion and Some Substituted Trifluoromethanesulfonates. Part 2. Kinetics and Mechanism.

Karlsen, Hege; Kolsaker, Per

Pages: 487-492.

DOI number: 10.3891/acta.chem.scand.53-0487
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