Method for synthesizing methyl acrylate

Details Method for synthesizing methyl acrylate Method for synthesizing methyl acrylate

1997-12-15

2000-02-08

Barts, Samuel

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

Organic compounds

Carboxylic acid esters

C07C 6736

Patent

active

06022990&

ABSTRACT:
The present invention relates to a novel catalyst composition and a novel process for synthesizing methyl acrylate from methyl formate and acetylene, in which methyl formate reacts with acetylene in the presence of a main catalyst comprising one or more compounds selected from RuCl.sub.3, Ni(CH.sub.3 COO).sub.2, NiBr.sub.2, NiI.sub.2, NiSO.sub.4, Ni(NO.sub.3).sub.2, PdCl.sub.2, CoCl.sub.2, Rh.sub.3 (CO).sub.12 and RhCl.sub.3, and the catalyst promoter comprising one or more compounds selected from CuSO.sub.4, NaI, KI and CH.sub.3 I, at a temperature of 120.about.240.degree. C., and under reaction pressure of 1.0.about.10.0 MPa, a molar ratio of methyl formate to acetylene ranges form 0.1:1 to 20:1. The yield of methyl acrylate may reach to 63%.

REFERENCES:
patent: 2882298 (1959-04-01), Luberoff et al.
patent: 4788334 (1988-11-01), Burke
J. Nemec et al., "Acrylic acid and derivatives", Kirk Othmer Encyclopedia of Chemical Technology 2nd Edition vol. 1, pp. 330-354, (prior to 1978).
Chem Abstracts 1989:153605, Wang et al, 1988.

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