Process for the preparation of halophthalic anhydrides

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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549247, C07D30774

Patent

active

050496824

ABSTRACT:
Halophthalic anhydrides are prepared by the liquid phase reaction of a brominating agent with halogen substituted hexa- or tetra-hydrophthalic anhydrides.

REFERENCES:
patent: 4559405 (1985-12-01), Telschow
patent: 4560773 (1985-12-01), Telschow

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