CLAIMED 6R/6S ALLENE ISOMERIZATION IN CAROTENOIDS IS GEOMETRICAL 9-TRANS/9-CIS ISOMERIZATION

DOI: 10.1016/S0040-4039(01)80455-X

Source and publish data:

Tetrahedron Letters p. 2577 - 2580 (1989)

Update date:2022-08-16

Topics:

Authors:

Bjoernland, Terje

Englert, Gerhard

Bernhard, Kurt

Liaaen-Jensen, Synnoeve

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Article abstract of DOI:10.1016/S0040-4039(01)80455-X

Previously claimed isolations of (S) allene isomers of natural carotenoids have been disproved.Detailed 1H NMR have demonstrated that these isomers are geometrical isomers with the cis-bond adjacent to the allenic bond.

Full text of DOI:10.1016/S0040-4039(01)80455-X

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