Process for the preparation of diaryl carbonates

Details Process for the preparation of diaryl carbonates Process for the preparation of diaryl carbonates

1991-08-12

1992-08-04

Garner, Vivian

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

Organic compounds

Carbonate esters

558268, 558271, 558272, C07C 6802, C07C 6996

Patent

active

051360772

ABSTRACT:
A process employing an organophosphine catalyst for the reaction of aromatic haloformates with aromatic hydroxy compounds for the production of diaryl carbonates with the elimination of anhydrous hydrogen halide. The organophosphine catalysts of the present invention permit the production of the products in very high yield, and the reaction proceeds at high rates.

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patent: 4366102 (1982-12-01), Rauchschwalbe et al.
patent: 4658041 (1987-04-01), Renga

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