Process for producing 3-chloro-5- trifluoromethylpyridines

Details Process for producing 3-chloro-5- trifluoromethylpyridines Process for producing 3-chloro-5- trifluoromethylpyridines

C - Chemistry, Metallurgy

07

D

260/295.2

C07D 213/61 (2006.01)

Patent

CA 1191143

ABSTRACT OF THE DISCLOSURE: A process for producing a 3-chloro-5-trifluoromethylpyridine derivative comprises reacting a 5-trifluoromethylpyridine derivative having a hydrogen atom at 3-position with chlorine. The process is characterized by reacting said 5-trifluoromethylpyridine derivative with chlorine in a vapour phase in the presence of a catalyst selected from the group consist- ing of activated carbon and a chloride of a metal element selected from the group consisting of iron, antimony, copper and zinc.

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