Tokyo Tanabe Company, Ltd.

Susumu Yokura

Kiyokazu Murakami

Hiroyuki Iizuka

Kouichi Matsunaga

Masao Yajima

Eiji Ohtubo

Nobuo Takoi

4-amino-5-oxy-2,6,6-trimethyl-2-cycloheptene compounds

A Saishin N derivative represented by the following general formula: ##STR1## wherein X represents a carbonyl group or a &gt;CH--ORx group, or X bonds to a carbon atom in Y or Z to represent a &gt;C(ORx)--O-- group; Y and Z may be the same or different and each represents a carbonyl group or a &gt;CH--ORy group, or each bonds to an oxygen atom in X to represent a &gt;CH-- group; the broken line represents an optional bond; and Rx and Ry may be the same or different and each represents a hydrogen atom or an alkyl, alkenyl, aralkenyl, aralkyl, heterocyclic-alkyl or acyl group, is provided which is therapeutically usable as an antiulcer agent.

Saishin N compounds, process for preparing same and antiulcer agents

There are provided 4,5-Dihydroxy-2,6,6-trimethyl-2-cyclohepten-1-one, a method for preparing the same and an antiulcer agent containing the same as an effective ingredient.

Antiulcer substance

Growing community of inventors

Kawagoe, Japan

Susumu Yokura