Process for producing sorbic acid or its derivatives

Details Process for producing sorbic acid or its derivatives Process for producing sorbic acid or its derivatives

1979-07-27

1981-10-20

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

560183, 560211, 560212, 560216, 562599, 562600, 562601, C07C 5109, C07C 5710, C07C 6708, C07C 69587

Patent

active

042962439

ABSTRACT:
A process for producing sorbic acid and its derivatives, which comprises reacting crotonaldehyde with ketene in the presence of a catalyst and decomposing or hydrolyzing the resulting adduct, said catalyst comprising a zinc salt of an aliphatic carboxylic acid and a phosphine or a pyridine.

REFERENCES:
patent: 3022342 (1962-02-01), Fernholz et al.
patent: 3461158 (1969-08-01), Hornig et al.
patent: 3845118 (1974-10-01), Hey et al.

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