Selective chlorination of phenols

Details Selective chlorination of phenols Selective chlorination of phenols

1987-07-28

1989-10-24

Lone, Werren B.

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

Organic compounds

Oxygen containing

560129, 568308, 568425, 568655, C07C 3762, C07C 3924

Patent

active

048763969

ABSTRACT:
Phenolic compounds and mixtures thereof, e.g., admixture of 2,4-dichlorophenol and 2,6-dichlorophenol, are selectively chlorinated at a position ortho to a hydroxyl function thereof, by reacting such phenolic compound with gaseous chlorine, in a molten reaction medium, in the presence of a catalytically effective amount of a primary, secondary or tertiary amine.

REFERENCES:
patent: 4237321 (1980-12-01), Cuthbertson
Nodera et al., "Chemical Abstracts", vol. 93 (1980), p. 93:239023s.

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