Carbonylation process for the production of aromatic acids and d

Details Carbonylation process for the production of aromatic acids and d Carbonylation process for the production of aromatic acids and d

1984-07-06

1985-03-19

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560100, 560105, 562406, 564180, 564183, 564166, 568 38, 546298, 549 71, 549 72, 549505, 549506, C07C 6976

Patent

active

045060924

ABSTRACT:
The present invention provides a process for the preparation of aryl carboxylic acids and derivatives thereof by the carbonylation of triaryl sulfonium salts. The triaryl sulfonium salts are reacted with carbon monoxide and water or an alcohol or amine in the presence of a triaryl phosphine and a zero-valent metal catalyst selected from palladium or rhodium.

REFERENCES:
patent: 3700729 (1971-10-01), Fenton
patent: 3769326 (1973-10-01), Paulik et al.
patent: 3887595 (1975-06-01), Nozaki
patent: 3965132 (1976-06-01), Norell

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