Anisole bromination

Details Anisole bromination Anisole bromination

1990-05-29

1991-04-16

Gray, Bruce

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

Organic compounds

Oxygen containing

C07C 4100

Patent

active

050084640

ABSTRACT:
An improved method for the production of 4-bromo-3-alkylanisole, particularly 4-bromo-3-methylanisole is described. The method involves establishing 3-alkylanisole as a vapor in a reaction zone of a reactor and establishing bromine as a vapor. Thereafter the bromine vapor is introduced to the reaction zone of the reactor and commingled with the established 3-alkylanisole vapor. Dibrominated impurity is substantially reduced.

REFERENCES:
patent: 2607802 (1952-08-01), Britton et al.
patent: 3256350 (1966-06-01), McCall et al.
patent: 3426035 (1969-02-01), Bremmer
patent: 3689559 (1972-09-01), Taylor et al.
patent: 4447660 (1984-05-01), Jouannetaud et al.
patent: 4730046 (1988-03-01), Leone-Bay et al.

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