Process for the production of 2,5-dichloro-4-bromophenol

Details Process for the production of 2,5-dichloro-4-bromophenol Process for the production of 2,5-dichloro-4-bromophenol

1974-11-04

1978-01-10

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260629, 260623R, C07C 3930

Patent

active

040679136

ABSTRACT:
This invention discloses a process for the preparation of 2,5-dichloro-4-bromophenol which comprises reacting a mixture of 2,5-dichlorophenol and 2,4-dichlorophenol with about 0.9 to about 1.2 molar amounts of bromine per mole of 2,5-dichlorophenol and thereafter recovering the 2,5-dichloro-4-bromophenol.

REFERENCES:
patent: 3012035 (1961-12-01), Knowles et al.
patent: 3412145 (1968-11-01), Hanna
patent: 3449443 (1969-06-01), Dietzler et al.
patent: 3726929 (1973-04-01), Payne et al.
patent: 3728403 (1973-04-01), Ross

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