Process for halogenating a bisphenol

Details Process for halogenating a bisphenol Process for halogenating a bisphenol

1976-04-05

1977-03-22

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260619R, 260623H, C07C 3700

Patent

active

040137287

ABSTRACT:
Halogenated bisphenols, such as 4,4'-isopropylidene-bis(2,6-dibromophenol), can be produced in high purity and high yield by brominating in 75-95 weight per cent aqueous acetic acid, and subsequently heating the reaction mass at 80.degree. - 120.degree. C. for 5-60 minutes. The resultant mixture can be neutralized prior to separating desired product from the reaction mixture.

REFERENCES:
patent: 3234289 (1966-02-01), Hennis
Zincke, "Ann," vol. 343, p. 86, (1905).

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