Nissan Chemical Industries Limited

Kimihiro Ishikawa

Tsutomu Nawamaki

Shigeomi Watanabe

Kunimitsu Nakahira

Takeshi Nagaoka

Yasuo Kawamura

Koichi Suzuki

Jun Satow

Katsushi Morimoto

Hiroshi Kita

Hideaki Suzuki

Eiichi Oya

Kenzi Makino

Shigeaki Akiyama

Yoichi Ito

Chiaki Kawaguchi

Hiroyuki Furusawa

Toshio Niki

Hisashi Nakata

Yoshihiro Kudo

Tomoyuki Ogura

Shigeru Ishii

Yasuo Kondo

Kaoru Itoh

Koichi Nishio

Masatoshi Ohnari

Yoshitake Tamada

Kazuhisa Sudo

Takumi Mikashima

Kaoru Itoh, Deceased

Kenichi Shiojima

Kanji Sawada

Kenzou Fukuda

Kenzo Fukuda

Seiichi Fujii

Takumi Terachi

Toshiharu Endo

Herbicidal composition

A pyrazole derivative represented by the general formula (1a) or (1b): ##STR1## wherein R.sup.1 represents a hydrogen atom or a pesticidally acceptable protecting group; R.sup.2 and R.sup.3 represent a phenyl, 1-naphthyl or 2-naphthyl group, or a 5-6 membered heterocyclic ring and the like; R.sup.4 represents a hydrogen or halogen atom, or a alkyl, alkoxy or alkylthio group; and a herbicidal composition containing the pyrazole derivative.

Pyrazole derivative and herbicidal composition

The present invention provides a nitrogen-containing cyclic compound represented by the formula (1): ##STR1## wherein R.sup.1 represents an alkyl group; R represents a hydrogen atom or an alkyl group; X represents an oxygen or sulfur atom or NR.sup.3 ; Q.sup.1 represents a hydrogen atom, or an alkyl, cycloalkyl, alkenyl or alkynyl group or a phenyl, naphthyl or heterocyclic group etc.; Q.sup.2 represents an alkyl, cycloalkyl or alkenyl group, or a phenyl or thienyl group etc.; A.sup.1 represents a carbon or nitrogen atom; A.sup.2 represents CR.sup.2 or NR.sup.2, or an oxygen or sulfur atom, or SO or SO.sub.2 ; A.sup.3 represents a single bond, or an oxygen or sulfur atom, or CR.sup.5 or NR.sup.5) and a herbicide comprising the same, which herbicide exhibits very high herbicidal activity at very low application rate and has selectivity against crops.

Pyrimidone isobutyric acid and herbicides containing the same

Nitrogen-containing cyclic compounds and herbicides containing the same

Pyrimidine derivatives, herbicides and plant growth regulators

Provided are a pyridine derivative represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represent a hydrogen atom, a C.sub.1-6 alkyl group, a C.sub.1-4 haloalkyl group, a C.sub.1-4 alkoxy group, a cyano group, a nitro group or a halogen atom,

Herbicidal 2,6-disubstituted pyridine compounds and compositions

4,5-disubstituted pyrimidine derivatives and herbicides

An iminosulfonylurea compound or a salt thereof which is useful as a herbicide and growth control agent against weeds.

Iminosulfonylurea derivatives and herbicides

An iminosulfonylurea derivative of the formula (1) or its salt ##STR1## wherein Q is ##STR2## wherein the variables are herein below defined, and a herbicidal and and growth control method.

Pyrazole-glycolic acid amide derivatives as herbicides

2-arylaminopyrimidinone derivative, and herbicide and plant growth

Iminosulfonylurea dirivatives and herbicides

Uracil derivatives

Growing community of inventors

Shiraoka-machi, Japan

Kimihiro Ishikawa