Nihon Nohyaku Co., Ltd.

Nikon Nohyaku Co., Ltd.

Mitsuru Kajioka

Kuniaki Taninaka

Yuzo Miura

Katsumasa Okawa

Atsushi Tsushima

Hitoshi Kurono

Kenichi Ikeda

Kazuhiro Takagi

Tsutomu Mabuchi

Tatsuo Harada

Kunihiro Yabutani

Isao Yanai

Moriharu Yamamoto

Hisanori Matsui

Yoichi Hachitani

Naoya Yamamoto

Keiji Sutoh

There are disclosed a (3-substituted phenyl)pyrazole derivative represented by the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and X are various substituents and a salt thereof, and its production process. Said pyrazole derivative or its salt is useful as a herbicide for controlling various injurious weeds.

3-(substituted phenyl)pyrazole derivatives, salts thereof, and

R-Enantiomer of a .DELTA..sup.2 -1,2,4-triazolin-5-one derivatives represented by general formula (I): ##STR1## wherein R.sup.1 represents a fluoroalkyl group having 1 to 2 carbon atoms and R.sup.2 represents a hydrogen atom, a chloroalkyl group having 1 to 4 carbon atoms or an alkoxyalkoxyalkyl group having the total carbon atom numbers of 3 to 6, and a herbicidal composition containing the same.

R-enantiomers of a .DELTA..sup.2 -1,2,4-triazolin-5-one derivatives

A .DELTA..sup.2 -1,2,4-triazolin-5-one derivative represented by the following general formula (I), a process for manufacturing thereof, a herbicidal composition comprising it as an active ingredient, and a use of it as a herbicide: ##STR1## wherein R is a hydrogen atom, a univalent alkali metal atom, an unsubstituted quaternary ammonium salt, a substituted quaternary ammonium salt having at least one C.sub.1 -C.sub.4 alkyl group as a substituent, an unsubstituted-alkyl group having 1 to 6 carbon atoms, a C.sub.1 -C.sub.6 substituted-alkyl group having at least one halogen atom as a substituent, a cycloalkyl group having 3 to 6 carbon atoms, a C.sub.1 -C.sub.3 substituted-alkyl group having a cyano group as a substituent, an alkenyl group having 2 to 6 carbon atoms, an alkynyl group having to 2 to 6 carbon atoms, an alkoxyalkyl group having 2 to 6 carbon atoms, an alkylthioalkyl group having to 2 to 8 carbon atoms, an alkylsulfinylalkyl group having 2 to 6 carbon atoms, an alkylsulfonylalkyl group having 2 to 6 carbon atoms, an alkoxyalkoxyalkyl group having 3 to 8 carbon atoms, a hydroxycarbonylalkyl group having 2 to 3 carbon atoms, an alkoxycarbonylalkyl group having 3 to 6 carbon atoms, an unsubstituted-benzyl group, a substituted-benzyl group having at least one substituent selected from the group consisting of halogen atoms and alkyl groups having 1 to 3 carbon atoms, or a phenethyl group; R.sup.1 is a haloalkyl group having 2 to 5 carbon atoms; and X is a halogen atom.

.DELTA..sup.2 -1,2,4-triazolin-5-one derivatives, and uses thereof

A process for producing 1,2,4-triazolin-5-one derivatives represented by the general formula (I) ##STR1## wherein R is a haloalkyl group of 1 to 5 carbon atoms and R.sup.1 is a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an alkyl group of 1 to 6 carbon atoms having halogen atom substituents, a cycloalkyl group of 3 to 6 carbon atoms, a cycloalkyl group of 3 to 6 carbon atoms having halogen atom substituents, a cyanoalkyl group of 2 to 4 carbon atoms, an alkenyl group of w to 6 carbon atoms, an alkynyl group of 2 to 6 carbon atoms, a lower alkoxyalkyl group of 2 to 6 carbon atoms, a lower alkylthioalkyl group of 2 to 8 carbon atoms, a lower alkylsufinylalkyl group of 2 to 6 carbon atoms, a lower alkylsufonylalkyl group of 2 to 6 carbon atoms, a lower alkoxyalkoxyalkyl group of 3 to 8 carbon atoms, a hydroxycarbonylalkyl group of 2 to 3 carbon atoms, a lower alkoxycarbonylalkyl group of 3 to 6 carbon atoms, a benzylgroup, a benzyl group having 1 to 2 substituents (selected from a halogen atom, a lower alkyl group of 1 to 3 carbon atoms, a lower alkoxy group of 1 to 3 carbon atoms, a nitro group, a lower alkoxycarbonyl group of 2 to 4 carbon atoms, a hydroxycarbonyl group and a phenoxy group), an alpha-methylbenzyl group or a phenethyl group.

Process for producing 1,2,4-triazolin-5-one derivatives, and

There is provided a new herbicidal compound of the formula, ##STR1## wherein R.sup.1 is an alkyl group; R.sup.2 is an alkynyl group, a halomethyl group, or a haloethyl group; and X is an alkoxy group, an alkenyloxy group, an alkoxy-alkoxy group, an alkynyloxy group, a hydroxy group, a halomethyloxy group, or a haloethyloxy group.

Triazolinone derivative and herbicidal use thereof

A novel .DELTA..sup.2 -1,2,4-triazolin-5-one derivative having a herbicidal activity, which is represented by the formula ##STR1## wherein, R.sup.1 is a C.sub.1 -C.sub.4 alkyl; R.sup.2 is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, or a C.sub.2 -C.sub.4 alkenyl group; and X is a hydroxy group, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.6 alkyloxy group, an alkyloxyalkyloxy group of which two alkyls may be same as or different from each other and each alkyl is of C.sub.1 -C.sub.4, a C.sub.2 -C.sub.4 alkenyloxy, or an alkyloxycarbonylalkyloxy group of which two alkyls may be same as or different from each other and each alkyl is of C.sub.1 -C.sub.4.

.DELTA..sup.2 -1,2,4-triazolin-5-one derivatives and herbicidal usage

Growing community of inventors

Sakai, Japan

Mitsuru Kajioka