Method of preparing .alpha.,.beta.-unsaturated carboxylic acid e

Details Method of preparing .alpha.,.beta.-unsaturated carboxylic acid e Method of preparing .alpha.,.beta.-unsaturated carboxylic acid e

1975-07-28

1979-05-29

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560104, 560114, C07C 0956

Patent

active

041567854

ABSTRACT:
Process of preparing an .alpha.,.beta.-unsaturated carboxylic acid ester, comprising contacting an .alpha.,.beta.-unsaturated halogen compound with carbon monoxide, an alkali alcoholate in the presence of a metal carbonyl as catalyst, in an alcohol that is the basis of the alkali alcoholate, at a pH of 8.5-11.5. Thereby, for example, crotonic acid methyl ester can be produced from allyl chloride.

REFERENCES:
patent: 3116306 (1963-12-01), Heck
patent: 3974202 (1976-08-01), El-Chahewi et al.
J. Falbe, Carbon Monoxide in Organic Synthesis, pp. 78-100.
Von Gian Paolo Chiusoli et al., Zeitschrift fur Naturforschung, vol. 176, 1962.
Heck, P. F. et al., JACS, 85, 2779-2782 (1963).
Cotton et al., Adv. Inorg. Chem., 3rd Ed., pp. 702-703 (1972).
Sidgwick, Chem. Elem. and Their Compounds, vol. II, p. 1422 (1950).

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