Ishihara Sangyo Kaisha, Ltd.

Hisayoshi Jyonishi

Yasuhiro Tsujii

Kanichi Fujikawa

Ryuzo Nishiyama

Shigeo Murai

Takao Awazu

Tatsuo Isogai

Tokiya Kimura

A novel amino-trifluoromethylpyridine compound selected from the group consisting of 3-amino-5-trifluoromethylpyridine, 2-amino-4-trifluoromethylpyridine, and 2-amino-4,6-bis(trifluoromethyl)pyridine, and, a process for preparing the same by reacting a halogeno-trifluoromethylpyridine compound with ammonia at a temperature of 50.degree. to 200.degree. C. The compound is useful as an intermediate from which a compound effective in controlling various harmful organisms or an effective component compound of medicines can be easily derived.

Amino-trifluoromethylpyridine compound

A process for producing 2,6-difluorobenzonitrile comprises reducing a chloro fluorobenzonitrile selected from 3-chloro-2,6-difluorobenzonitrile, 3,5-dichloro-2,6-difluorobenzonitrile or a mixture thereof by hydrogen gas in the presence of a palladium or platinum catalyst at a temperature of 0.degree. to 200.degree. C.

Process for producing 2,6-difluorobenzonitrile

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Shiga, Japan

Hisayoshi Jyonishi