Dioxydiphthalic anhydride

Details Dioxydiphthalic anhydride Dioxydiphthalic anhydride

C - Chemistry, Metallurgy

07

D

260/354.5, 260/3

C07D 307/89 (2006.01) C07C 65/24 (2006.01) C07D 491/14 (2006.01) C07D 493/14 (2006.01)

Patent

CA 2015164

CASE 5843 ASC/rag 05/04/1989 DIOXYDIPHTHALIC ANHYDRIDE Abstract Dioxydiphthalic anhydride is prepared by the reaction of dihalophthalic anhydride with an alkali metal compound, such as potassium carbonate. The compound is particularly useful as a monomer in the preparation of polyimides.

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