Preparation of meta-chlorophenols by selective hydrodechlorinati

Details Preparation of meta-chlorophenols by selective hydrodechlorinati Preparation of meta-chlorophenols by selective hydrodechlorinati

1981-12-21

1983-10-18

Lone, Werren B.

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

Organic compounds

Oxygen containing

568716, 568745, 568746, C07C 3924

Patent

active

044107374

ABSTRACT:
Meta-chlorophenols useful as intermediates in various organic syntheses are prepared by selectively catalytically hydrodechlorinating a polychlorophenol in liquid phase in an acid solvent medium which is at least partially aqueous and which comprises halide ions, in the presence of a Group VIII noble metal catalyst, said polychlorophenol bearing chlorine substituents in both the meta- and ortho- and/or para-positions.

REFERENCES:
patent: 2803669 (1957-08-01), Brainerd et al.
patent: 3912782 (1975-10-01), Kiel et al.
patent: 3912783 (1975-10-01), Wedemeyer et al.
patent: 4060562 (1977-11-01), Wedemeyer et al.

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