Preparation of chlorinated pyridines

Details Preparation of chlorinated pyridines Preparation of chlorinated pyridines

1979-03-01

1981-03-17

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D21326

Patent

active

042568943

ABSTRACT:
Symmetrical tetrachloropyridine, pentachloropyridine and poly-chloro derivatives of 2-chloro-6-(trichloromethyl)pyridine are prepared by reacting a chloro-substituted (trichloromethyl)pyridine in the liquid state with chlorine at temperatures of from at least about 160.degree. C. and in the presence of an amount of a catalyst effective to catalyze the reaction.

REFERENCES:
patent: 3418323 (1968-12-01), Johnston et al.
patent: 3538100 (1970-11-01), Smith
patent: 3732230 (1973-05-01), Brewer et al.

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