Process for the preparation of aromatic carboxylic acid esters

Details Process for the preparation of aromatic carboxylic acid esters Process for the preparation of aromatic carboxylic acid esters

1989-02-21

1990-02-27

Lone, Werren B.

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

Organic compounds

Carboxylic acid esters

502 66, 502185, 502259, 502261, 502262, 502326, 560 97, 560100, 560103, 562406, 570181, C07C 6736, C07C 5110, C07C 1700

Patent

active

049048171

ABSTRACT:
Disclosed is an improved process for the manufacture of aromatic carboxylic acid esters by the carbonylation of aromatic iodides wherein the amount of the corresponding unesterified carboxylic acid in the product obtained from the process is minimized. The process comprises carbonylating an aromatic iodide in the presence of carbon monoxide, a Group VIII metal catalyst, an inorganic adsorbent and an alkanol to co-produce an aromatic carboxylic acid ester and an alkyl iodide.

REFERENCES:
patent: 2565462 (1951-08-01), Prichard et al.
patent: 3988358 (1976-10-01), Heck
patent: 4827018 (1989-05-01), Rule et al.
patent: 4847406 (1989-07-01), Steinmetz et al.

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