Preparation of alkyl esters of .alpha.,.beta.-monoolefinically u

Details Preparation of alkyl esters of .alpha.,.beta.-monoolefinically u Preparation of alkyl esters of .alpha.,.beta.-monoolefinically u

1986-04-29

1987-06-23

Helfin, Bernard

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

Organic compounds

Carboxylic acid esters

C07C 6708, C07C 69533

Patent

active

046754369

ABSTRACT:
Alkyl esters of .alpha.,.beta.-monoolefinically unsaturated monocarboxylic acids are prepared by esterifying the monocarboxylic acid with an alcohol of 6 to 20 carbon atoms in the presence of from 0.1 to 5% by weight, based on the reaction mixture, of a strong acid and in the presence of a polymerization inhibitor and an oxygen-containing gas, at from 80.degree. to 150.degree. C., by a process in which the molar ratio of the monocarboxylic acid to the alcohol is from 1:0.8 to 1:1.2, and the water of reaction is separated off from the reaction mixture while passing an inert gas containing from 1 to 20% by volume of oxygen through the reaction mixture.

REFERENCES:
patent: 2822348 (1958-02-01), Haslam
patent: 2917538 (1959-12-01), Carlyle
patent: 4280009 (1981-07-01), Erpenbach et al.

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