Process for the preparation of diaryl carbonates

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

1991-07-30

1993-02-02

Dees, Jose G.

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

Organic compounds

Carbonate esters

C07C 6996

Patent

active

051839199

ABSTRACT:
A process and a catalyst for the homogeneous liquid phase reaction of aromatic haloformates with aromatic hydroxy compounds for the production of diaryl carbonates with the elimination of anhydrous hydrogen halide. The catalysts of the present invention comprise at least one aromatic heterocyclic nitrogen compound. These catalysts permit the production of the products in very high yield, and the reaction proceeds at high rates.

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