Ihara Chemical Industry Co., Ltd.

Kumiai Chemical Industry Co., Ltd.

Kumiai Chemical Co.

Other

Masatoshi Tamaru

Shigehiko Tachikawa

Fumiaki Takabe

Katsutada Yanagisawa

Ryo Hanai

Ryo Yoshida

Yasunori Ogawa

Katsumi Masuda

Nobuo Takefuji

Masahito Inamori

Chiharu Suzuki

Masahiro Sato

Norihiro Kawamura

Takumi Yoshimura

Masao Nakatani

Yoshihiro Saito

Satoru Takahashi

Takeshige Miyazawa

Hiroshi Kawasaki

Hiroyuki Yano

Yoshihiro Yamaji

Masahiro Miyazaki

Norimichi Muramatsu

Minoru Ito

Takayoshi Takehi

Ryuji Tamai

Takeshi Deguchi

Hideo Sadohara

Sota Uotsu

Tetsuya Abe

Kazunori Kobayashi

Yukimasa Ono

Takeshi Danjo

Kouichirou Kaku

A difluoroalkene derivative which is sufficiently effective in controlling various pests even when used in a small dose and is highly safe for crops, natural enemies to the pests, and animals; and an intermediate for the derivative. The difluoroalkene derivative is represented by the general formula: [I] wherein Land Lare the same or different and each represents oxygen or sulfur; n is an integer of 2 to 8; and Q represents a 5- to 12-membered heterocyclic group having any desired heteroatom selected among nitrogen, oxygen, and sulfur 

Difluoroalkene derivative, pest control agent containing the same, and intermediate therefor

The isoxazoline derivative of the present invention is represented by the following general formula [I]:[wherein Q is a group represented by &#x2014;S(O)&#x2014;(CRR)- (wherein n is an integer of 0 to 2, m is an integer of 1 to 3, and Rand Rare a hydrogen atom, a cyano group, an alkoxycarbonyl group, if an alkyl group or the like); Rand Rare a hydrogen atom, all optionally substituted alkyl group, an alkoxycarbonyl group, an optionally substituted phenyl group or the like; Rand Rare a hydrogen atom, an optionally substituted alkyl group, a cycloalkyl group or the like; Y is a hydrogen atom, an alkoxycarbonyl group, a carboxyl group, an alkenyl group, an optionally substituted alkyl group or an optionally substituted phenyl group]. The herbicide of the present invention contains the above isoxazoline derivative as the active ingredient.

Isoxazoline derivatives and herbicides containing the same as the active ingredient

Di- or tri-fluoromethanesulfonyl anilide derivatives, process for the preparation of them and herbicides containing them as the active ingredient

Benzofuran-7-yl uracil derivatives and herbicides

The present invention provides an indazolesulfonylurea derivative represented by the general formula: ##STR1## �wherein R.sup.1 is a hydrogen atom or an alkyl group, etc., R.sup.2 and R.sup.3 are the same or different and represent a hydrogen atom, a halogen atom, an alkyl group, the formula --COR.sup.4 (wherein R.sup.4 represents an alkoxy group, etc.), an alkoxy group, a haloalkoxy group or a cyano group, etc., X is an oxygen atom or a sulfur atom, Y is a hydrogen atom or an alkyl group, etc., A and B are the same or different and represent a halogen atom, an alkoxy group or an alkyl group, etc., and Z represents a nitrogen atom or a methine group!, as well as a herbicide containing it as an active ingredient and an intermediate for its production. The compound of the present invention exhibits excellent herbicidal effects over a wide range from the preemergence stage to the growing stage of various weeds which are problematic in agricultural fields. Further, it is capable of controlling weeds germinating in paddy fields.

Indazolesulfonylurea derivative, its use and intermediate for its

The present invention provides an indazolesulfonylurea derivative represented by the general formula: ##STR1## wherein R.sup.1 is a hydrogen atom or an alkyl group, etc., R.sup.2 and R.sup.3 are the same or different and represent a hydrogen atom, a halogen atom, an alkyl group, the formula --COR.sup.4 (wherein R.sup.4 represents an alkoxy group, etc.), an alkoxy group, a haloalkoxy group or a cyano group, etc., X is an oxygen atom or a sulfur atom, Y is a hydrogen atom or an alkyl group, etc., A and B are the same or different and represent a halogen atom, an alkoxy group or an alkyl group, etc., and Z represents a nitrogen atom or a methine group, as well as a herbicide containing it as an active ingredient and an intermediate for its production. The compound of the present invention exhibits excellent herbicidal effects over a wide range from the preemergence stage to the growing stage of various weeds which are problematic in agricultural fields. Further, it is capable of controlling weeds germinating in paddy fields.

3-Pyrimidinyloxy-substituted picolinic acid derivatives of the formula ##STR1## and their salts are useful as herbicides against annual and perennial gramineous and broadleaf weeds while exhibiting low phytotoxicity to desired crop plants.

Picolinic acid derivative and herbicidal composition

The present invention is to provide a novel picolinic acid derivative having the formula, ##STR1## (wherein R is a hydrogen atom, an alkyl group or others, R.sup.1 and R.sup.2 are the same or different, and are an alkyl group, an alkoxy group or others, X is a cyano group, a phenoxy group or others, Y is an oxygen atom or others, and n is 0 or 1) or a salt thereof; a method for preparing the same; and a herbicidal composition containing the same as an active ingredient. The picolinic acid derivative or the salt thereof of the present invention achieves an excellent herbicidal effect at a low dosage, and is effective for controlling the growth of various weeds in a wide range. The picolinic acid derivative or the salt thereof of the present invention can be applied to a paddy field, a cultivated field, a non-agricultural land and the like as a herbicidal composition.

Picolinic acid derivative, and herbicidal composition

Compounds of the formula ##STR1## as intermediates for the preparation of pyrimidine or triazine herbicides.

Pyrimidine or triazine derivatives

A pyrimidine or triazine derivative and its salt, said pyrimidine or triazine derivative having the formula: ##STR1## wherein R represents a group of the formula OR.sup.3 {wherein R.sup.3 represents a hydrogen atom, an alkyl group, etc.}, a group of the formula SR.sup.6 {wherein R.sup.6 represents a hydrogen atom, an alkyl group, etc.}, a group of the formula ##STR2## {wherein R.sup.7 and R.sup.8 represent a hydrogen atom, an alkyl group, etc.}, or an imidazolyl group:

Triazine derivatives and herbicidal composition containing the same

A pyrimidine or triazine derivative and its salt, said pyrimidine or triazine derivative having the formula: ##STR1## wherein R represents a group of the formula OR.sub.3 {wherein R.sup.3 represents a hydrogen atom, an alkyl gorup, etc.}, a group of the formula SR.sup.6 {wherein R.sup.6 represents a hydrogen atom, an alkyl group, etc.}, a group of the formula ##STR2## {wherein R.sup.7 and R.sup.8 represent a hydrogen atom, an alkyl group, etc.}, or an imidazolyl group:

Pyrimidine derivatives and herbicidal composition containing the same

Growing community of inventors

Shizuoka, Japan

Masatoshi Tamaru