Nissan Chemical Industries Limited

Hisashi Nakata

Tsutomu Nawamaki

Yasuo Kawamura

Eiichi Oya

Kimihiro Ishikawa

Hiroshi Kita

Kunimitsu Nakahira

Chiaki Kawaguchi

Yoshitake Tamada

Kenichi Shiojima

Kanji Sawada

Kaoru Itoh, Deceased

Shigeomi Watanabe

Jun Satow

Kaoru Itoh

Kenzo Fukuda

Yoichi Ito

Seiichi Fujii

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

2-arylaminopyrimidinone derivative, and herbicide and plant growth

Growing community of inventors

Funabashi, Japan

Hisashi Nakata