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 language | English (US) |
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Pages (from-to) | 3460-3462 |
Number of pages | 3 |
Journal | Journal of Organic Chemistry |
Volume | 40 |
Issue number | 23 |
DOIs | |
State | Published - Nov 1 1975 |
Externally published | Yes |
ASJC Scopus subject areas
- Organic Chemistry