Preparation of fluorophthalic anhydrides

Details Preparation of fluorophthalic anhydrides Preparation of fluorophthalic anhydrides

1984-01-23

1985-04-30

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30789

Patent

active

045145725

ABSTRACT:
Fluorophthalic anhydrides containing 1 or 2 fluorine atoms are prepared by a process in which a chlorophthalic anhydride containing 1 or 2 chlorine atoms is treated with an acid chloride of sulfurous acid or of carbonic acid in the presence of an aliphatic sulfone, and the reaction mixture is then reacted with potassium fluoride.

REFERENCES:
patent: 2891074 (1959-06-01), Scherer et al.
Heller, J. Org. Chem. 25, (1960), p. 834.

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