Process for the preparation of diaryl carbonates

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 69/96 (2006.01) B01J 31/24 (2006.01) C07C 68/02 (2006.01) C07B 61/00 (2006.01)

Patent

CA 2067470

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 organophosphine catalysts of the present invention permit the production of the products in very high yield, and the reaction proceeds at high rates. 36,787A-F

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