Ube Industries, Inc.

Kyoyu Agri Co., Ltd.

Shohei Fukuda

Motohisa Shimizu

Akira Nakamura

Tatsuo Okada

Takehiko Asahara

Satoshi Oohida

Katsumasa Harada

Akio Matsushita

Mikio Kojima

Yuji Akiyoshi

Takaaki Abe

Takashi Hayama

Ikuo Shiraishi

Kaoru Yamamoto

The present invention relates to benzoxazole compounds represented by the following formula (I): 

Benzoxazole compounds, process for producing the same and herbicides

The present invention relates to benzoxazole compounds represented by the following formula (I):

Benzoxazole compound, process for producing the same, and herbicide

Benzoxazole compounds, process for the preparation thereof and herbicides

Disclosed are a pyrimidine or triazine compound represented by the following formula (I): ##STR1## wherein R.sup.1 represents cyano group, a halogen atom, hydroxy group or --O--R.sup.7 where R.sup.7 represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a halo-lower alkyl group or a cyano-lower alkyl group; R.sup.2 represents hydrogen atom or a lower alkyl group; R.sup.3 represents hydrogen atom or a lower alkyl group; R.sup.4 represents a 1-imidazolyl group, --NHSO.sub.2 --R.sup.8 where R.sup.8 represents a lower alkyl group or a phenyl group which may have a substituent, hydroxy group, a lower alkoxy group or a benzyloxy group when Z is nitrogen atom; or a 1-imidazolyl group, --NHSO.sub.2 --R.sup.8 where R.sup.8 has the same meaning as defined above, hydroxy group, OK, a lower alkoxy group which may have a substituent, a lower alkenyloxy group, a lower alkynyloxy group, a cycloalkoxy group which may have a substituent, a phenoxy group, a benzyloxy group, a lower alkylthio group, a phenylthio group or an alkylsulfonylamino group when Z is --CH.dbd. group; R.sup.5 represents a lower alkoxy group; R.sup.6 represents a lower alkoxy group or a lower alkyl group; X represents oxygen atom or sulfur atom; and Z represents nitrogen atom or --CH.dbd. group. processes for preparing the same and a herbicide containing the same as an active ingredient(s).

Pyrimidine derivatives, process for preparing the same and herbicide

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Ube, Japan

Shohei Fukuda