Novel vitamin A acetate process

Details Novel vitamin A acetate process Novel vitamin A acetate process

1979-07-25

1981-03-03

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C 6700, C07C17500

Patent

active

042542812

ABSTRACT:
There is disclosed a novel process for the preparation of vitamin A acetate whereby .gamma.-acetoxy-tiglic aldehyde is reacted with the salt formed by the reaction of vinyl-.beta.-ionol, triphenylphosphine and an acid.

REFERENCES:
patent: 2957933 (1960-10-01), Pommer et al.
patent: 3671575 (1972-06-01), Weinstock
patent: 3732287 (1973-05-01), Himmele et al.
patent: 3932485 (1976-01-01), Surmatis
patent: 4081470 (1978-03-01), Schleich et al.
patent: 4081470 (1978-03-01), Schleich et al.
Houben-Weyl, vol. V/1d, p. 93.

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