Process for preparing 2-chloro-5-trichloromethylpyridine

Details Process for preparing 2-chloro-5-trichloromethylpyridine Process for preparing 2-chloro-5-trichloromethylpyridine

1980-08-27

1982-04-13

Schwartz, Richard A.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

C07D21326, B01J 1908

Patent

active

043246273

ABSTRACT:
Herbicidal 3- and/or 5-halogenomethyl-pyrid-2-yloxyphenoxy compounds and processes for making and using the same. Intermediates for making these compounds and their preparation are also disclosed. Thus, for example, 2-chloro-5-trichloromethylpyridine is prepared by a liquid phase chlorination of 3-methylpyridine under the influence of ultra violet light.

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