Nippon Shokubai Kagaku Kogyo Co., Ltd.

Nippon Shokubai Co., Ltd.

Hideaki Tuneki

Yuuji Shimasaki

Michio Ueshima

Hitoshi Yano

Youichi Hino

Kimio Ariyoshi

Hideki Masada

Process for producing N-substituted aziridine compound

A process for producing a cyclic amine represented by the general formula ##STR1## wherein each of R and R' is selected from hydrogen, a methyl group and an ethyl group, and n is an integer of 2 to 5, which comprises vapor-phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR2## wherein R, R' and n are as defined above, said reaction being carried out in the presence of, as a catalyst, an oxide composition represented by the following formula

Process for producing cyclic amines

A catalyst for the vapor phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR1## wherein each of R and R' is selected from hydrogen, a methyl group and an ethyl group, and n is an integer of 2 to 5, to convert it into a cyclic amine represented by the general formula ##STR2## wherein R, R' and n are as defined above. The catalyst is an oxide composition represented by the following formula

Catalyst for vapor-phase intramolecular dehydration reaction of

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Suita, Japan

Hideaki Tuneki