Nippon Soda Co., Ltd.

Keiichi Ishimitsu

Tomio Yamada

Michihiko Matsuda

Renpei Hatano

Haruhito Ohishi

Tadayuki Nishibe

Junji Suzuki

Yukio Kitagawa

Jun Mitsui

Hiroyuki Imagawa

Masae Takagi

Isamu Kasahara

Hidemitsu Takahashi

Nobuo Takakusha

Nobuo Takakusa

Shuichi Soma

The present invention provides medicinal compositions characterized by comprising as the active ingredient either a compound represented by a formula [I] or a pharmaceutically acceptable composite thereof; 

Oxa(thia)zolidine compounds, process for preparation thereof and anti-inflammatory agents

Oxa(thia)zolidine derivative and anti-inflammatory drug

An insecticidal compound of the formula ##STR1## wherein A completes a 5 or 6 membered aromatic ring selected from the group pyridyl, pyridyl substituted with C.sub.1-5 alkyl, C.sub.1-5 haloalkyl, C.sub.1-5 alkoxy, C.sub.1-5 alkylthio, C.sub.1-5 alkylsulfonyl, cyano, halogen, phenoxy or C.sub.1-5 dialkylamino, pyrazinyl, pyrazinyl substituted with C.sub.1-5 alkyl or halogen, pyrazolyl substitited with C.sub.1-5 alkyl, pyridazyl substituted with halogen, or thiazolyl substituted with halogen or C.sub.1-5 alkyl;

Pyridine compouds which have useful insecticidal activity

Pyridine compounds which have useful insecticidal utility

The present invention relates to a compound having the formula ##STR1## wherein R.sub.1 denotes C.sub.1-6 alkyl radicals; R.sub.2 denotes halogen atoms, C.sub.1-6 alkyl radicals, C.sub.1-6 haloalkyl radicals, C.sub.1-6 alkoxy radicals, C.sub.1-6 haloalkoxy radicals or the phenyl radicals which may be substituted by methylenedioxy radicals; ##STR2## denotes 5-7 member heterocyclic radicals whose ring constituent atoms comprise 2-6 carbon atoms, 0-1 oxygen atom and 1-2 nitrogen atoms and which may be substituted by C.sub.1-6 alkyl radicals.

Oxa(thia)zolidine derivatives

Isovaleric acid derivatives having the formula ##STR1## wherein typical representations of X is halophenyl, R.sub.1 is hydrogen or cyano, R.sub.2 is hydrogen or lower alkyl, and Y is halophenyl. These derivatives possess insecticidal and acaricidal properties. The process for their preparation is described.

Isovaleric acid derivatives

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Kanagawa, Japan

Keiichi Ishimitsu