Method for the preparation of halophthalic anhydrides

Details Method for the preparation of halophthalic anhydrides Method for the preparation of halophthalic anhydrides

1989-08-14

1991-03-26

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549240, 549247, C07D30789

Patent

active

050030884

ABSTRACT:
Halophthalic anhydrides are prepared by reaction of chlorine with a saturated or partially saturated halophthalic anhydride at a temperature of 200.degree. to 500.degree. Celsius.

REFERENCES:
patent: 4559405 (1985-12-01), Telschow
patent: 4560773 (1985-12-01), Telschow
Ohkrtsu et al, J. Japan Petrol. Inst., vol. 27 (1979) pp. 164-169.

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