Catalyzed process for the preparation of oxydiphthalic...

Details Catalyzed process for the preparation of oxydiphthalic... Catalyzed process for the preparation of oxydiphthalic...

C - Chemistry, Metallurgy

07

D

260/364.8

C07D 307/89 (2006.01) C07C 51/567 (2006.01)

Patent

CA 1297486

CASE 5794 ASC/rag 12/08/1988 CATALYZED PROCESS FOR THE PREPARATION OF OXYDIPHTHALIC ANHYDRIDES Abstract Oxydiphthalic anhydrides are prepared by reacting a halo- phthalic anhydride with water and an alkali metal compound such as KF, CsF, or K2CO3 in the presence of a copper catalyst.

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