Process for the preparation of metachlorophenols

Details Process for the preparation of metachlorophenols Process for the preparation of metachlorophenols

1984-03-02

1985-09-10

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 3927

Patent

active

045408343

ABSTRACT:
The invention relates to a process for the preparation of metachlorophenols.
The process consists in selectively hydrodechlorinating, under the action of heat and in the liquid phase, polychlorophenols containing at least one chlorine atom in the meta position relative to the phenolic hydroxyl, by reacting these polychlorophenols with hydriodic acid in a quantity which is sufficient in relation to the chlorine atoms to be removed.
The metachlorophenols obtained are organic synthesis intermediates.

REFERENCES:
patent: 3912782 (1975-10-01), Wedemeyer et al.
patent: 3912783 (1975-10-01), Wedemeyer et al.
patent: 4060562 (1977-11-01), Wedemeyer et al.
patent: 4410737 (1983-10-01), Cordier
patent: 4410738 (1983-10-01), Cordier
patent: 4410739 (1983-10-01), Cordier
Tashiro et al., "Chemical Abstracts", vol. 86, p. 43346k, (1977).
Kaemmerer et al., "Chemical Abstracts", vol. 86, pp. 155, 305c, (1977).

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