Kaken Pharmaceutical Company, Ltd.

Hideto Fukui

Jun Nakano

Tadashi Arika

Hisato Senda

Tetsuo Shibata

Wakao Iwatani

Hisamitsu Haigoh

Yayoi Watanuki

Tetsuro Maejima

Quinolinecarboxylic acid derivatives and salts thereof

An oxime derivative of the formula: ##STR1## wherein R is a hydrogen atom or a C.sub.1-5 alkyl group, R.sub.1 is a hydrogen atom, a C.sub.1-5 alkyl group or a carboxyl-protecting group, R.sub.2 is a hydrogen atom, a halogen atom, a hydroxyl group or an amino group, R.sub.3 is a C.sub.3-7 cycloalkyl group, R.sub.4 is a hydrogen atom, a halogen atom or a C.sub.1-4 alkoxy group, each of R.sub.5 and R.sub.6 which may be the same or different, is a hydrogen atom or a C.sub.1-5 alkyl group, or R.sub.5 and R.sub.6 together represent a C.sub.2-4 alkylene group which forms together with the adjacent carbon atom a C.sub.3-5 ring, provided that when R.sub.2 is a hydrogen atom, R.sub.4 is a C.sub.1-4 alkoxy group, m is an integer of 0 or 1, and n is an integer of from 1 to 3; or its pharmaceutically acceptable salt.

Oxime derivatives

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Kyoto, Japan

Hideto Fukui