All articles by Helge Kjøsen

10 articles

Articles in volume 24 (1970)

An Alternative Synthesis of (7-Methoxy-3,7-dimethyloct-2-enyl)triphenylphosphonium Bromide.

Kjøsen, Helge; Liaaen-Jensen, Synnøve

Pages: 1488-1490.

DOI number: 10.3891/acta.chem.scand.24-1488
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Articles in volume 26 (1972)

Carotenoids of Higher Plants. 6. Total Synthesis of Lycoxanthin and Lycophyll.

Kjøsen, Helge; Liaaen-Jensen, Synnøve

Pages: 4121-4129.

DOI number: 10.3891/acta.chem.scand.26-4121
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Articles in volume 27 (1973)

Fungal Carotenoids. 9. Total Synthesis of Aleuriaxanthin.

Kjøsen, Helge; Liaaen-Jensen, Synnøve

Pages: 2495-2502.

DOI number: 10.3891/acta.chem.scand.27-2495
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Articles in volume 28b (1974)

Algal Carotenoids. IX. Absolute Configuration of beta,epsilon-Caroten-2-ol, beta,beta-Caroten-2-ol, and beta,beta-Carotene-2,2'-diol.

Buchecker, Richard; Eugster, Conrad Hans; Kjøsen, Helge; Liaaen-Jensen, Synnøve

Pages: 449-452.

DOI number: 10.3891/acta.chem.scand.28b-0449
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Articles in volume 29b (1975)

Bacterial Carotenoids. XLVIII. Total Syntheses of Carotenes of the 1,2-Dihydro Series.

Eidem, Åse; Buchecker, Richard; Kjøsen, Helge; Liaaen-Jensen, Synnøve

Pages: 1015-1023.

DOI number: 10.3891/acta.chem.scand.29b-1015
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Articles in volume 48 (1994)

Reactions of 1,2,5-Thiadiazole-3,4-dicarbonitrile.

Mørkved, Eva H.; Kjøsen, Helge; Neset, Siren M.

Pages: 372-376.

DOI number: 10.3891/acta.chem.scand.48-0372
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Template Assisted Cyclotetramerisations of 1,2,5-Thiadiazole-3,4-dicarbonitrile.

Mørkved, Eva H.; Neset, Siren M.; Kjøsen, Helge; Hvistendahl, Georg; Mo, Frode

Pages: 912-916.

DOI number: 10.3891/acta.chem.scand.48-0912
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Articles in volume 49 (1995)

Preparations and Template Cyclotetramerizations of 2,1,3-Benzothia(selena)diazole-5,6-dicarbonitriles.

Mørkved, Eva H.; Neset, Siren M.; Bjørlo, Olav; Kjøsen, Helge; Hvistendahl, Georg; Mo, Frode

Pages: 658-662.

DOI number: 10.3891/acta.chem.scand.49-0658
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Articles in volume 50 (1996)

Preparation of Magnesium Azaphthalocyanines by Cyclotetramerisation of S-Substituted 4,5-Disulfanylpyrazine-2,3-dicarbonitriles.

Mørkved, Eva H.; Holmaas, Lars T.; Kjøsen, Helge; Hvistendahl, Georg

Pages: 1153-1156.

DOI number: 10.3891/acta.chem.scand.50-1153
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Articles in volume 53 (1999)

Preparation of Octa(alkoxy) Azaphthalocyanines.

Mørkved, Eva H.; Ossletten, Hege; Kjøsen, Helge

Pages: 1117-1121.

DOI number: 10.3891/acta.chem.scand.53-1117
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