Process for producing halogenated 2,2-bis-(4-hydroxyphenyl)-prop

Details Process for producing halogenated 2,2-bis-(4-hydroxyphenyl)-prop Process for producing halogenated 2,2-bis-(4-hydroxyphenyl)-prop

1976-03-16

1977-07-19

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260623R, C07C 3924, C07C 3916

Patent

active

040368947

ABSTRACT:
In producing successive batches of halogenated 2,2-bis-(4-hydroxyphenyl)-propane by reacting bisphenol A with elemental halogen in acetic acid wherein the mother liquor of a preceding batch is used as the reaction medium, the improvement comprising adding to the mother liquor an acetate such as sodium acetate to react with free hydrogen halide in the reaction medium and to increase the yield.

REFERENCES:
patent: 3038882 (1962-06-01), Gavlin
patent: 3546302 (1970-12-01), Asadorian

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