Nippon Soda Co., Ltd.

Tomio Yamada

Michihiko Matsuda

Keiichi Ishimitsu

Renpei Hatano

Yukio Kitagawa

Isao Iwataki

Nobuo Matsui

Minoru Kaeriyama

Saburo Kano

Osami Nomura

Mitsuo Asada

Haruhito Ohishi

Hidemitsu Takahashi

Junji Suzuki

Meiki Ando

Hitoshi Watanabe

Jun Mitsui

Hiroyuki Imagawa

Isamu Kasahara

Fumihiko Nagasaki

Takashi Okabe

Katsuyata Ikura

Takashi Kishimoto

Kenji Hagiwara

Nobuo Takakusa

Takuzo Taniguchi

Shuichi Soma

Nobuo Takakusha

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 a phenyl radical (which may be substituted by halogen atoms, C.sub.1-6 alkyl radicals, C.sub.1-6 alkoxy radicals (which may be substituted by C.sub.1-6 alkoxy radicals,) C.sub.2-6 alkynyloxy radicals, amino radicals, nitro radicals, phenyl radicals, phenoxy radicals or C.sub.1-6 alkylthio radicals), a five or six membered heterocyclic radical (which may be substituted by halogen atoms or C.sub.1-6 alkyl radicals), a C.sub.1-6 alkyl radical (which may be substituted by aryl radicals) or ##STR2## wherein each or r.sup.1 and r.sup.2 denotes a C.sub.1-6 alkyl radical or a phenyl radical)

Oxadiazole derivative

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

A compound having the formula ##STR1## wherein R.sub.1 represents halogen or methyl;

Benzoylurea derivatives

A compound of the formula ##STR1## wherein typical representations of X, Y and Z is oxygen or sulfur; R.sub.1 is methyl; R.sub.2 is phenyl substituted with chlor, methyl, methoxy, nitro or methylenedioxy; and R.sub.3 is cyclohexyl, methylcyclohexyl or tetrahydropyranyl, is useful as an acaricide.

Heterocyclic compounds

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

A compound of the formula ##STR1## WHEREIN R.sub.1 is alkyl having 1 to 3 carbon atoms; is useful as insecticide.

2-(5-Ethyl-6-bromothiazolo[3,2-b]-5-triazolyl)thiophosphonate esters,

A compound represented by the formula ##SPC1## Wherein

Certain thiazolotriazolyphosphonothioates used as insecticides

Growing community of inventors

Odawara, Japan

Tomio Yamada