All articles by Carl Erik Olsen

18 articles

Articles in volume 27 (1973)

Formation of 5-Hydroxy-Delta2-1,2,3-triazolines, 1,2,3-triazoles, and Ketohydrazones in Base-catalyzed Reactions of Organic Azides with Methyl Ketones.

Olsen, Carl Erik

Pages: 1987-2000.

DOI number: 10.3891/acta.chem.scand.27-1987
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Preparation and Characterization of 1-Alkyl-5-hydroxy-Delta2-1,2,3-triazolines.

Olsen, Carl Erik; Pedersen, Christian

Pages: 2271-2278.

DOI number: 10.3891/acta.chem.scand.27-2271
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Preparation of 1-Aryl-5-hydroxy-Delta2-1,2,3-triazolines.

Olsen, Carl Erik; Pedersen, Christian

Pages: 2279-2286.

DOI number: 10.3891/acta.chem.scand.27-2279
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Preparation of 1,2,3-Triazoles by Base-catalyzed Dehydration of 5-Hydroxy-Delta2-1,2,3-triazolines.

Olsen, Carl Erik

Pages: 2983-2988.

DOI number: 10.3891/acta.chem.scand.27-2983
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Base Induced Conversions of 5-Hydroxy-Delta2-1,2,3-triazolines, Intermediates in the Reaction of Organic Azides with Carbonyl Compounds.

Olsen, Carl Erik

Pages: 2989-2996.

DOI number: 10.3891/acta.chem.scand.27-2989
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Articles in volume 28b (1974)

Conformations and 1H NMR Spectra of 5-Alkoxy-, 5-Hydroxy-, and 5-Amino-Delta2-1,2,3-triazolines.

Olsen, Carl Erik

Pages: 425-432.

DOI number: 10.3891/acta.chem.scand.28b-0425
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Articles in volume 29b (1975)

Formation of 1,2,3-Triazoles, Secondary Amides, alpha-Aminoketones, and Vinylketones in the Acid-catalyzed Decomposition of 5-Hydroxy-Delta2-1,2,3-Triazolines.

Olsen, Carl Erik

Pages: 953-962.

DOI number: 10.3891/acta.chem.scand.29b-0953
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Articles in volume 48 (1994)

Syntheses, Structures and Magnetic Properties of Fluoro-Bridged Di- and Tetranuclear Chromium(III) Complexes with Tetrahydrosalen and Substituted Tetrahydrosalen Derivatives as Ligands. Crystal Structure of an Ethoxo-Fluoro-Bridged Dichromium(III) Complex and a Tetrafluoro-Bridged Tetrachromium(III) Complex.

Böttcher, Arnd; Elias, Horst; Glerup, Jørgen; Neuburger, Markus; Olsen, Carl Erik; Paulus, Helmut; Springborg, Johan; Zehnder, Margareta

Pages: 967-980.

DOI number: 10.3891/acta.chem.scand.48-0967
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Synthesis, Structure and Magnetic Properties of Mono- and Dinuclear Chromium(III) Complexes with Tetrahydrosalen and Substituted Tetrahydrosalen Derivatives as Ligands. Crystal Structure of a Phenoxo-Bridged Dichromium(III) Complex.

Böttcher, Arnd; Elias, Horst; Glerup, Jørgen; Neuburger, Markus; Olsen, Carl Erik; Springborg, Johan; Weihe, Høgni; Zehnder, Margareta

Pages: 981-988.

DOI number: 10.3891/acta.chem.scand.48-0981
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Articles in volume 49 (1995)

Synthesis and Crystal Structure of a Small Bicyclic Tetraaza Proton Sponge, 1,4,7,10-Tetraazabicyclo[5.5.3]pentadecane Dibromide Perchlorate.

Springborg, Johan; Kofod, Pauli; Olsen, Carl Erik; Toftlund, Hans; Søtofte, Inger

Pages: 547-554.

DOI number: 10.3891/acta.chem.scand.49-0547
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An Inert Proton Coordinated Inside a Nearly Tetrahedral Tetraamine Cavity. Synthesis and X-Ray Crystal Structure of the Aquatrichlorozincate(II) Salt of the Inside Monoprotonated Amine 1,4,8,11-Tetraazatricyclo[6.6.2.2(4,1)]octadecane.

Springborg, Johan; Olsen, Carl Erik; Søtofte, Inger

Pages: 555-563.

DOI number: 10.3891/acta.chem.scand.49-0555
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Synthesis and Crystal Structure of a Spiro Amine: 3,9,12-Triaza-6-azoniaspiro[5,8]tetradecane Chloride Trihydrochloride Dihydrate.

Springborg, Johan; Kofod, Pauli; Olsen, Carl Erik; Søtofte, Inger

Pages: 564-570.

DOI number: 10.3891/acta.chem.scand.49-0564
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Articles in volume 50 (1996)

An Inert Proton Coordinated Inside the Tetrahedral Cage [3 6]Adamanzane. Synthesis of the Inside Monoprotonated Amine 1,5,9,13-Tetraazatricyclo[7.7.3.3(5,13)]docosane.

Springborg, Johan; Pretzmann, Ulla; Olsen, Carl Erik

Pages: 294-298.

DOI number: 10.3891/acta.chem.scand.50-0294
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Prenisatin (5-(3-Methyl-2-butenyl)-indole-2,3-dione): an Antifungal Isatin Derivative from Chaetomium globosum.

Breinholt, Jens; Demuth, Helle; Heide, Morten; Jensen, Georg W.; Møller, Inge L.; Nielsen, Ruby I.; Olsen, Carl Erik; Rosendahl, Connie N.

Pages: 443-445.

DOI number: 10.3891/acta.chem.scand.50-0443
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Articles in volume 51 (1997)

Hypomycetin - an Antifungal, Tetracyclic Metabolite from Hypomyces aurantius: Production, Structure and Biosynthesis.

Breinholt, Jens; Jensen, Georg W.; Kjær, Anders; Olsen, Carl Erik; Rosendahl, Connie N.

Pages: 855-860.

DOI number: 10.3891/acta.chem.scand.51-0855
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Articles in volume 52 (1998)

Synthesis of [3(5)]Adamanzane, 1,5,9,13-Tetraazabicyclo[7.7.3]nonadecane, by Oxidative C--N Cleavage of [3(6)]Adamanzane, 1,5,9,13-Tetraazatricyclo[7.7.3.3(5,13)]docosane and Crystal Structure of the Tetraprotonated Bromide Salt of [3(5)]Adamanzane.

Springborg, Johan; Pretzmann, Ulla; Nielsen, Bente; Olsen, Carl Erik; Søtofte, Inger

Pages: 212-217.

DOI number: 10.3891/acta.chem.scand.52-0212
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Crystal Structures of Salts of Mono- and Triprotonated [36]Adamanzane, 1,5,9,13-Tetraazatricyclo[7.7.3.3(5,13)]docosane, and Equilibrium Studies of the Reactions between Mono-, Di- and Triprotonated Species, Respectively, Having None, One and Two Lone Pairs Pointing Outwards.

Springborg, Johan; Pretzmann, Ulla; Olsen, Carl Erik; Søtofte, Inger

Pages: 289-295.

DOI number: 10.3891/acta.chem.scand.52-0289
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Articles in volume 53 (1999)

Synthesis of [3(2)]Bis([2(4).3(1)]adamanzane), 1,4,8,11,15,18,22,25-Octaazapentacyclo[20.6.2.2(4,25).2(8,15).2(11,18)]hexatriacontane, and Crystal Structure of the Tetrachlorozincate Salt of the Tetraprotonated Octaamine.

Springborg, Johan; Nielsen, Bente; Olsen, Carl Erik; Søtofte, Inger

Pages: 985-991.

DOI number: 10.3891/acta.chem.scand.53-0985
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