Agro-kanesho Co., Ltd.

Noriyoshi Katsuyama

Kiyoshi Takasuka

Seigo Koura

Atsushi Tsuji

Akinori Kariya

Katsumi Nanjo

Hideyo Fujii

Shigenori Segami

Frank Wu

Yukiyo Shigeno

Junko Sato

A hexahydrotrazine compound which is 1-(2-chloro-5-pyridylmethyl)-3,5-dimethyl-2-nitroiminohexahydro-1,3,5-triazine or 1-(2-chloro-5-thiazolylmethyl)-3,5-dimethyl-2-nitroiminiohexahydro-1,3,5-triazine and insecticides containing the same.

Hexahydrotriazine compounds and insecticides

The present invention provides a hexahydropyridazine derivative of the formula (I): ##STR1## wherein R.sup.1 represents an alkynyloxy group, a cycloalkoxy group or an alkoxycarbonylalkylthio group, R.sup.2 represents an alkyl group, a phenyl group or a benzyl group, and X represents a halogen atom. This compound exhibits an excellent herbicidal effect on various weeds in treatment of field soil, foliage treatment and flooding treatment of paddy field, and has an excellent selectivity toward the weeds but not the crop.

Hexahydropyridazine derivative and herbicide containing the same as

Growing community of inventors

Saitama-ken, Japan

Noriyoshi Katsuyama