Kureha Kagaku Kogyo Kabushiki Kaisha

Yukiharu Yamaguchi

Takao Kawasaki

Saichi Ono

Yoshiaki Osaka

Katsumi Komatsu

Tadashi Tsuchiya

Daisaku Immaru

Derivatives of 2-substituted-phenylthiazole having the formula (I) ##STR1## wherein R.sup.1 represents a lower alkyl group of 1 to 3 carbon atoms, R.sup.2 represents a hydrogen atom or a lower alkyl group of 1 to 3 carbon atoms and n denotes an integer of 1 to 3, with the proviso that when R.sup.2 represents a hydrogen atom the positions 3, 4 and 5 of benzene ring thereof are not simultaneously occupied by methoxy group, posses anti-peptic ulcer activity.

2-Substituted-phenylthiazole derivatives

Disclosed are novel high polymeric substances having saccharide side chains, suitable as a high polymeric material having several functions for medical treatments and a process for preparing thereof.

Process for preparing high polymeric substance having saccharide side

Compounds of 2-substituted-phenyl-5-alkylthiazolidine-4-one having the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 represent respectively a lower alkyl group of 1 to 3 carbon atoms and n denotes an integer of 1 to 3 possess anti-peptic ulcer activity.

2-Substituted-phenyl-5-alkylthiazolidine-4-one

Disclosed are novel high polymeric substances having saccharide side chains, suitable as a high polymeric material having several functions for medical treatments and a method for producing thereof.

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Hino, Japan

Yukiharu Yamaguchi