Carbonylation process for the production of monoesters aromatic

Details Carbonylation process for the production of monoesters aromatic Carbonylation process for the production of monoesters aromatic

1985-01-28

1986-04-29

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

560 84, 560 85, 560 86, 560 91, 560 94, 560 97, C07C 6736

Patent

active

045858896

ABSTRACT:
The present invention provides a process for the preparation of monoesters of dicarboxylic acids by the carbonylation of carboxyphenyl-triarylphosphonium salts. The carboxyphenyl-triarylphosphonium salts are reacted with carbon monoxide and an alcohol in a base reaction medium having a pK.sub.b greater than about 8.

REFERENCES:
patent: 2640071 (1953-05-01), Leibu
patent: 3988358 (1976-10-01), Heck

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