Chlorination of nitrophenols

Details Chlorination of nitrophenols Chlorination of nitrophenols

1988-03-07

1989-05-02

Lone, Werren B.

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

Organic compounds

Oxygen containing

568706, 568779, C07C 7932

Patent

active

048270474

ABSTRACT:
The chloronitrophenols, e.g., 2,6-dichloro-4-nitrophenol (a known agrochemical/pharmaceutical intermediate), are efficiently prepared by chlorinating ortho- or para-nitrophenol with gaseous chlorine, characteristically in the molten state, and in the presence of a catalytically effective amount of a primary, secondary or tertiary amine.

REFERENCES:
patent: 2629745 (1953-02-01), Gilbert et al.
patent: 2659759 (1953-11-01), Zemba

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