Process for the preparation of oxydiphthalic anhydrides

Details Process for the preparation of oxydiphthalic anhydrides Process for the preparation of oxydiphthalic anhydrides

1988-12-14

1990-08-14

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30789

Patent

active

049489046

ABSTRACT:
Oxydiphthalic anhydride is prepared by reacting an hydroxyphthalic anhydride with a bromophthalic or fluorophthalic anhydride and potassium fluoride in the presence of a solvent and a copper catalyst.

REFERENCES:
patent: 4288386 (1981-09-01), Soula et al.
patent: 4697023 (1987-09-01), Schwartz et al.
patent: 4808731 (1989-02-01), Berdahl et al.
Gowan & Wheeler, Name Index of Organic Reactions, 1960, p. 244.
Morrison & Boyd, Organic Chemistry 3rd ed., 1974, pp. 790-791.

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