Chlorination of ortho-chlorophenol

Details Chlorination of ortho-chlorophenol Chlorination of ortho-chlorophenol

1988-03-07

1991-06-25

Lone, Werren B.

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

Organic compounds

Oxygen containing

568774, 568776, C07C 3762, C07C 3932

Patent

active

050269267

ABSTRACT:
The polychlorophenols, e.g., 2,6-dichlorophenol (a known agrochemical intermediate), are effectively prepared by chlorinating ortho-chlorophenol with gaseous chlorine, optionally in the presence of other chlorophenols, characteristically in the molten state, and in the presence of a catalytically effective amount of a primary, secondary or tertiary amine.

REFERENCES:
patent: 2659759 (1953-11-01), Zemba
patent: 4237321 (1980-12-01), Cuthbertson
patent: 4827047 (1989-05-01), Desmurs et al.
patent: 4855513 (1989-08-01), Besson et al.
patent: 4876396 (1989-10-01), Leblanc et al.

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