Kureha Kagaku Kogyo Kabushiki Kaisha

Katsumichi Aoki

Keigo Satake

Shiro Yamazaki

Takafumi Shida

Hiroyasu Shinkawa

Hideo Arabori

Satoru Kumazawa

Susumu Shimizu

Tsuneaki Chida

Takeo Watanabe

Yohichi Kanda

Yoichi Kanda

Nobuo Hatakeyama

Youichi Kanda

Masashi Ohtsuru

Takeo Watanave

Susumu Shimizue

Disclosed herein is herbicidal composition comprising a derivative of 1,2,4-triazole as an active ingredient, represented by the general formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, a halogen atom or a C.sub.1 -C.sub.2) alkyl group; R.sup.2 represents a hydrogen atom, a halogen atom, a (C.sub.1 -C.sub.2) alkyl group fluoromethyl group (--CH.sub.2 F),3,3,3-trifluoropopyl group, methoxy group, cyano group, methoxymethyl group, methylthio group, methoxycarbonyl group or isopropoxycarbonyl group and R.sup.3 represents a thiocarbamoyl group or a group represented by the general formula (II): ##STR2## wherein R.sup.4 represents a hydrogen atom, a (C.sub.1 -C.sub.2) alkyl group or a hydroxy (C.sub.1 -C.sub.2) alkyl group and R.sup.5 represents a hydrogen atom, a C.sub.1 -C.sub.2) alkyl group, halogeno (C.sub.1 -C.sub.2) alkyl group, hydroxy (C.sub.1 -C.sub.2) alkyl group, cyanomethyl group, acetyl group, halogenoacetyl group, methoxyacetyl group, amino group, phenyl group, methoxy group, hydroxyl group, (C.sub.2 -C.sub.3) alkenyl group, halogeno (C.sub.2 -C.sub.3) alkenyl group, isopropylcarbonyl group, methylthiocarbamoyl group or 2-methoxyethyl group, the proviso that R.sup.2 is not a hydrogen atom, halogen atom or (C.sub.1 -C.sub.2) alkyl group when both of R.sup.4 and R.sup.5 represent hydrogen atoms, and herbicidally acceptable carrier(s) or diluent(s).

Herbicidal composition containing a derivative of 1,2,4-triazole as an

Disclosed herein are a derivative of tetrahydrobenzothiazole represented by the formula (I): ##STR1## wherein R represents a methyl group or ethyl group; R.sup.1 represents a hydrogen atom, a hydroxyl group, methoxy group or O.dbd.=together with R.sup.2 ; R.sup.2 represents a hydrogen atom or O.dbd.=together with R.sup.1 ; and X represents a methylene group, hydroxymethylene group, carbonyl group or --O-- with the proviso that R is not a methyl group when (1) R.sup.1 represents a hydroxyl group or methoxy group and X represents a methylene group or hydroxymethylene group or (2) R.sup.2 represents .dbd.O together with R.sup.1 and X represents a carbonyl group, and a herbicidal composition containing the same as an active ingredient.

Derivatives of tetrahydrobenzothiazole and herbicidal compositions

Disclosed herein are the derivatives of tetrahydrobenzothiazole represented by the general formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, a straight-chain alkyl group having 1 to 6 carbon atoms or branched-chain alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms or a phenyl group and R.sup.2 represents a chemical group selected from the group consisting of: ##STR2## wherein R.sup.3 represents a hydrogen atom, a methyl group or an acetyl group and R.sup.4 represents a hydrogen atom, a hydroxyl group, methoxy group or acetoxy group and herbicidal compositions containing at least one of the derivatives of tetrahydrobenzothiazole as an active ingredient.

Derivative of tetrahydrobenzothiazole and herbicidal composition

Disclosed herein are a derivative of tetrahydrobenzothiazole represented by the formula (I): ##STR1## wherein R represents a methyl group, ethyl group or propyl group; R.sup.1 represents a hydrogen atom, a hydroxyl group methoxy group, acetoxy group, propionyloxy group, butylyloxy group, chloroacetoxy group, methoxyacetoxy group, C.sub.1 to C.sub.4 -alkylamino group or di(C.sub.1 to C.sub.4)-alkylamino group, or represents O.dbd.together with R.sup.2 ; R.sup.2 represents a hydrogen atom or represents O.dbd.together with R.sup.1 ; and X represents a methylene group, hydroxymethylene group, carbonyl group or --O--, and a herbicidal composition containing the same as an active ingredient.

Disclosed herein is a derivative of tetrahydrobenzothiazolyl-1,3,5-triazinone represented by the formula (I): ##STR1## wherein R is a chemical group selected from the group consisting of 1-phenylethyl, 1-methylpropyl, 2-methylpropyl, allyl, 2-propynyl, cyclopropyl, cyclopentyl, phenyl, ethoxycarbonylmethyl, 2-tetrahydrofurylmethyl, 2-acetoxyethyl, 2-chloroethyl, 2-cyanoethyl, 2-hydroxyethyl, 2-methoxyethyl, 2,2-dimethoxyethyl, 2-(propionyloxy)ethyl, 2-(ethoxycarbonyl)ethyl, 2-(4-chlorobenzoyloxy)ethyl, 1-hydroxymethyl)propyl, 3-hydroxypropyl, 3-methoxypropyl, 3-acetoxypropyl, 3-morpholinopropyl and 3-(2-methylpiperidino)propyl, and a herbicidal composition containing the derivative as an active ingredient thereof.

Herbicidal tetrahydrobenzothiazolyl-1,3,5-triazinone derivatives and

Disclosed herein are a derivative of tetrahydrobenzothiazole represented by the formula (I): ##STR1## wherein R represents a hydrogen atom, a hydroxyl group or a lower acyloxy group such as acetoxy group and propionyloxy group and X represents a methylene group, C.sub.1 to C.sub.4 -alkylamino group, benzylamino group or --O--, and a herbicidal composition containing the same as an active ingredient.

Disclosed herein are a derivative of tetrahydrobenzothiazole represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 represent respectively a straight chain alkyl group having 1 to 6 carbon atoms or a branched chain alkyl group having 1 to 6 carbon atoms, and a herbicidal composition containing the same as an active ingredient.

Herbicidal 2-(1,3,5-1H-triazin-2-one)-tetrahydrobenzothiazole

Disclosed herein are a salt of a derivative of N-(tetrahydrobenzothiazolylcarbamoyl)oxamic acid, represented by the formula: ##STR1## wherein R.sup.1 represents a straight-chain alkyl group having one to six carbon atoms, branched-chain alkyl group having up to and including six carbon atoms, cyclic alkyl group having up to and including six carbon atoms or a phenyl group; R.sup.2 represents a hydrogen atom or a methyl group; M represents an alkali metal atom or an alkaline earth metal atom; n is 1 when M is an alkali metal atom and n is 1/2 when M is an alkaline earth metal atom and M' is a hydrogen atom or the same as M, and a herbicidal composition containing the same as an active ingredient.

Salts of derivatives of N-(tetrahydrobenzothiazolylcarbamoyl)oxamic acid

A compound of 1,5-disubstituted 1,2,4-triazole-3-carboxamide represented by the general formula; ##STR1## wherein R.sup.1 is alkyl of one to three carbon atoms, chloro, fluoro, iodo, trifluoromethyl or nitro, R.sup.2 is hydrogen, methyl or chloro, R.sup.3 is hydrogen or methyl is provided in the invention, which shows an excellent herbicidal activity.

1,5-Diphenyl derivative of 1,2,4-triazole-3-carboxamide and herbicide

Disclosed is a derivative of tetrahydrobenzothiazole represented by the general formula (I): ##STR1## wherein R.sup.1 represents one of the following groups: ##STR2## wherein R.sup.2 represents a hydrogen atom, methyl group, acetyl group, benzoyl group, phenoxycarbonyl group or 3-pyridylcarbonyl group and R.sup.3 represents a hydrogen atom, hydroxy group, methoxy group or acetoxy group, ##STR3## and a herbicidal composition comprising as active ingredient at least one of the derivatives of tetrahydrobenzothiazole.

A herbicidal composition comprising a herbicidally effective amount of a compound of the formula ##STR1## wherein R is methoxy, ethoxy, propoxy, isopropoxy or allyloxy and an agriculturally acceptable carrier and a method for inhibiting growth of weeds comprising applying the herbicidal composition to soil medium to inhibit the growth of weeds is disclosed.

Herbicidal composition and method for inhibiting growth of weeds

Novel N-benzoly-N'-halogenoloweralkylidenehydrazine derivatives of the general formula ##STR1## (in which X represents Cl or Br, and Y represents H, F, Cl, Br, CH.sub.3 or CHCl--CH.sub.3, provided that when X is Cl, Y is the above-defined member other than Cl).

N-Benzoyl-N'-halogenoalkylidenehydrazine derivatives, process for

This invention provides novel fungicidal compositions comprising a carrier and a fungicidally effective amount of a compound having the general formula ##STR1## WHEREIN EACH OF R and R' stands for a member of the group consisting of H, halogen, CH.sub.3, OCH.sub.3, OH and NO.sub.2. These novel compositions have been found to have a superior fungicidal effect on various plant diseases in the field of agriculture and horticulture.

Agricultural and horticultural N-benzoyl-N'-trichloroethylidene

A novel fungicidal composition for agricultural use is proposed. It has as the effective substance at least a member selected from the group defined by the following general formula: ##STR1## wherein R stands for methyl or chlorine atom.

Growing community of inventors

Iwaki, Japan

Katsumichi Aoki