Captive carbonyl halide process for production of diaryl...

Details Captive carbonyl halide process for production of diaryl... Captive carbonyl halide process for production of diaryl...

C - Chemistry, Metallurgy

07

C

C07C 69/96 (2006.01) B01J 19/24 (2006.01) C07C 68/02 (2006.01)

Patent

CA 2072181

ABSTRACT A process for the production of a diaryl carbonate comprising: contacting an aromatic hydroxy compound or a mixture thereof and its haloformate derivative with a carbonyl halide in the presence of a catalyst in a reactor system under conditions sufficient for the formation of a diaryl carbonate and a hydrogen halide; recovering the aromatic carbonate; and recycling at least some of the hydrogen halide within the reactor system to regenerate the carbonyl halide. Fig. 1 39,606-F

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