Kureha Kagaku Kogyo Kabushiki Kaisha

Isao Ichinose

Takafumi Shida

Yoshikazu Kubota

Shiro Yamazaki

Hiroyasu Shinkawa

Takeo Watanabe

Hideo Arabori

Yoichi Kanda

Masato Arahira

Eisaku Takahashi

Katsuhisa Osugi

Disclosed herein are the derivative of benzyl ether represented by the formula (I) ##STR1## which is useful as an intermediate compound of the derivatives of 1,5-diphenyl-1H-1,2,4- triazole-3-carboxamide represented by the formula (II), ##STR2## wherein R is a straight-chain alkyl group having 1 to 10 carbon atoms which is non-substituted or substituted with 1 to 19 fluorine atoms, a branched alkyl group having 3 to 10 carbon atoms which is non-substituted or substituted with 1 to 19 fluorine atoms, a cyclic alkyl group having 3 to 10 carbon atoms, an alkyl group having 1 to 3 carbon atoms which is substituted with an alicyclic structure having 3 to 7 carbon atoms, a phenyl group or an aralkyl group having 7 to 9 carbon atoms; X.sup.1 is a halogen or an alkyl group having 1 to 3 carbon atoms; X.sup.2 is a hydrogen, a halogen or an alkyl group having 1 to 3 carbon atoms; Y.sup.1 is a hydrogen or a fluorine; Y.sup.2 is a hydrogen or a fluorine; and Z is a nitro group or an amino group.

Benzylether derivatives

Disclosed herein are a benzyl ether compound represented by the general formula (I): ##STR1## wherein R represents a branched alkyl group of 4 to 8 carbon atoms, a cycloalkyl group of 4 to 8 carbon atoms, an alkyl group of 1 to 3 carbon atoms having an alicyclic group of 3 to 7 carbon atoms, an aralkyl group of 7 to 9 carbon atoms, an alkyl group of 2 to 4 carbon atoms having an alkoxy group of 1 to 4 carbon atoms, an unsaturated alkyl group of 3 to 6 carbon atoms, a straight-chain alkyl group of 2 to 8 carbon atoms which has been substituted by 1 to 15 fluorine atoms, or a branched alkyl group of 3 to 8 carbon atoms which has been substituted by 1 to 15 fluorine atoms, and X represents a nitro group or an amino group, provided that when X is a nitro group, R is neither an aralkyl group nor an ethyl group substituted by fluorine atom(s), a process for producing the same.

Benzyl ether compound and process for producing the same

Disclosed herein is a 4,5-dihydro-1H-1,2,4-triazole-3-carboxamide derivative represented by the formula (I): ##STR1## wherein R represents a straight-chain alkyl group having 1 to 10 carbon atoms which is non-substituted or substituted with 1 to 19 fluorine atoms or a branched alkyl group having 3 to 10 carbon atoms which is non-substituted or substituted with 1 to 19 fluorine atoms; X.sup.1 represents a halogen atom or an alkyl group having 1 to 3 carbon atoms; X.sup.2 represents hydrogen atom, a halogen atom or an alkyl group having 1 to 3 carbon atoms; Y.sup.1 represents hydrogen atom or fluorine atom; and Y.sup.2 represents hydrogen atom or fluorine atom. The derivatives of the formula (I) have high herbicidal activities and also show a excellent selectivity in their actions for killing weeds alone while doing any practical harm to the crops such as rice, wheat and corn.

4,5-dihydro-1H-1,2,4-triazole-3-carboxamide derivatives and herbicidal

Disclosed herein is a derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide represented by the formula (I): ##STR1## wherein R is a straight-chain alkyl group having 1 to 10 carbon atoms which is non-substituted or substituted with 1 to 19 fluorine atoms, a branched alkyl group having 3 to 10 carbon atoms which is non-substituted or substituted with 1 to 19 fluorine atoms, a cyclic alkyl group having 3 to 10 carbon atoms, an alkyl group having 1 to 3 carbon atoms which is substituted with an alicyclic structure having 3 to 7 carbon atoms, a phenyl group or an aralkyl group having 7 to 9 carbon atoms; X.sup.1 is a halogen or an alkyl group having 1 to 3 carbon atoms; X.sup.2 is a hydrogen, a halogen or an alkyl group having 1 to 3 carbon atoms; Y.sup.1 is a hydrogen or a fluorine; and Y.sup.2 is a hydrogen or a fluorine, and the herbicidal compositions containing said derivatives as active ingredient therefor. The derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide represented by the formula (I) of the present invention is the compound having high herbicidal activity and also showing excellent selectivity for killing weeds alone without doing any serious harm to the crops such as rice, wheat and corn.

1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide derivatives and herbicidal

Disclosed herein are a derivative of 4,5-dihydro-1H-1,2,4-triazole-3-carboxamide represented by the formula (Io): ##STR1## wherein R.sup.1 represents a hydrogen atom, a halogen atom, an alkyl group of 1 to 3 carbon atoms or an alkoxy group of 1 to 3 carbon atoms, R.sup.2 represents a hydrogen atom or a halogen atom and R represents a straight-chain alkyl group of 1 to 8 carbon atoms, a branched-chain alkyl group of 3 to 8 carbon atoms, a cycloalkyl group of 3 to 8 carbon atoms, a (cycloalkyl)alkyl group of 4 to 8 carbon atoms, an alkenyl group of 3 to 8 carbon atoms, an alkynyl group of 3 to 8 carbon atoms, an alkoxyalkyl group of 3 to 8 carbon atoms, a phenyl group, an aralkyl group of 7 to 9 carbon atoms, a phenyl group substituted by halogen atom(s) or an alkyl group of 2 to 8 carbon atoms which is substituted by fluorine atom(s), an intermediate for producing the derivative and a herbicidal composition containing the derivative as an active ingredient.

Derivative of 4,5-dihydro-1H-1,2,4-triazole-3-carboxamide, and

Disclosed herein are derivatives of .beta.-(4-isocyano-1,2,3,4-diepoxycyclopentyl)acrylic acid, the derivatives showing an antibacterial activity, an antifungal activity and an antimycoplasmal activity.

Growing community of inventors

Iwaki, Japan

Isao Ichinose