Geometric Isomers of 11,12-Dehydro-15-demethyl-β-axerophtene. New Geometric Isomers of Vitamin A and Carotenoids. III

V. Ramamurthy, R. S.H. Liu

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

In connection with the photochemical studies of the polyenes in the vitamin A series,3 we were in need of a complete set of geometric isomers of such a pentaene. The compound 11,12-dehydro-15-demethyl-β-axerophtene (I) was chosen because it has only four isomers and a procedure to the all-trans isomer is in the literature.4 A modification of this procedure may lead to the other isomers. The preparation and spectroscopic properties of all four isomers of I including the two sterically crowded 7-cis isomers, are now described here.

Original languageEnglish (US)
Pages (from-to)3460-3462
Number of pages3
JournalJournal of Organic Chemistry
Volume40
Issue number23
DOIs
StatePublished - Nov 1 1975
Externally publishedYes

ASJC Scopus subject areas

  • Organic Chemistry

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