C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/295.2
C07D 213/61 (2006.01)
Patent
CA 1125763
ABSTRACT OF THE DISCLOSURE A chloro .beta.-trifluoromethylpyridine is produced by reacting a chloro .beta.-trichloromethylpyridine with hydrogen fluoride in the presence of a specific metal fluoride in the vapor phase at high temperature for a short time. The chloro .beta.-tri- fluoromethylpyridines which are useful as intermediates for agricultural chemicals and medicines can he obtained in high yield.
347770
Fujikawa Kanichi
Nishimura Shigeyuki
Nishiyama Ryuzo
Tsujii Yasuhiro
Yokomichi Isao
Ishihara Sangyo Kaisha Ltd.
Marks & Clerk
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