Tetraene, its preparation and its use

Details Tetraene, its preparation and its use Tetraene, its preparation and its use

1985-01-23

1985-09-24

Gantz, D. E.

Chemistry of hydrocarbon compounds

Compound or reaction product mixture

585638, 585641, C07C 130, C07C 1121

Patent

active

045434336

ABSTRACT:
The new tetraene of formula: ##STR1## is useful particularly as an intermediate in the synthesis of, for example, hexahydropseudoionone, pseudoionone and vitamin A.
It may be made by dehydrochlorinating 3-chloro-2-methyl-6-methylene-1,3,7-octadiene in the presence of a palladium catalyst and an inorganic base.

REFERENCES:
patent: 3325555 (1967-06-01), Geburn
patent: 3691250 (1972-09-01), Coulson
patent: 3859374 (1975-01-01), Komatsu et al.
patent: 3925497 (1975-12-01), Josey et al.
patent: 3970592 (1976-07-01), Ploner

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