Process for producing diaryl carbonate

Details Process for producing diaryl carbonate Process for producing diaryl carbonate

1991-10-07

1992-11-24

Dees, Jose G.

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

Organic compounds

Carbonate esters

558277, C07C 6996

Patent

active

051663937

ABSTRACT:
A process for producing a diaryl carbonate in high yield and with high selectivity which comprises disproportionating an alkylaryl carbonate in the presence of a lead catalyst to produce a diaryl carbonate and a dialkyl carbonate and recovering the diaryl carbonate from the reaction products. Use of the lead catalyst is effective in avoiding corrosion problems normally caused by other catalyst systems.

REFERENCES:
patent: 4045464 (1977-08-01), Romano et al.
patent: 4552704 (1985-11-01), Mark
patent: 4554110 (1985-11-01), Mark
patent: 4609501 (1986-09-01), Mark

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