Preparation of 2,3-dichloro-5-trichloromethylpyridine

Details Preparation of 2,3-dichloro-5-trichloromethylpyridine Preparation of 2,3-dichloro-5-trichloromethylpyridine

1985-03-13

1987-01-13

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546346, C07D21326

Patent

active

046365656

ABSTRACT:
Preparation of 2,3-dichloro-5-trichloromethylpyridine in high yields and purity by chlorinating 2-chloro-5-trichloromethylpyridine at 70.degree. to 250.degree. C. with chlorine in the presence of a catalyst containing one or more molybdenum, tungsten or ruthenium compounds.

REFERENCES:
patent: 4256894 (1981-03-01), Dietsche et al.

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