Teikoku Chemical Industry Co., Ltd.

Nippon Chemiphar Co., Ltd.

Rikagaku Kenkyusho

Kanto Ishi Pharmaceutical Co., Ltd.

Tadami Shinuchi

Tomoya Ogawa

Toshio Satoh

Yoshiyasu Shitori

Mamoru Sugimoto

Mutsumi Muramatsu

Isao Nakajima

Yukio Yanagimoto

Toshio Nakajima

Toshio Horisaki

Method for the production of asialoganglioside related compounds of the formula (I). ##STR1## wherein R.sup.1 is hydrogen or benzoyl, R.sup.2 is hydrogen or acetyl, R.sup.3 is hydrogen, acetyl, .beta.-D-galactopyranosyl or 2,3,4,6-tetra-O-acetyl-.beta.-D-galactopyranosyl, R.sup.7 and R.sup.8 are individually alkyl having 1 to 30 carbon atoms and Ac is acetyl.

Asialoganglioside related compounds

A compound of the formula: ##STR1## wherein R.sub.1 represents a vanilyl, napthyl, pyridyl or .alpha.-tocopheryl group, or a group of the formula, ##STR2## wherein R.sub.2 represents a hydrogen atom, a lower alkoxy, formyl, lower alkanoyl or phenyl group, or a group of the formula --(CH.sub.2).sub.n COOR.sub.3, wherein R.sub.3 represents a hydrogen atom, a lower alkyl, phenyl, benzyl, anisyl or lower alkoxycarbonylmethyl group, and n represents an integer of 0 to 2, or a pharmaceutically acceptable salt thereof is effective for use as an anti-ulcer agent.

Cyclohexane carboxylic acid derivatives

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Kyoto, Japan

Tadami Shinuchi