Nippon Soda Co., Ltd.

Masami Koguchi

Akihiro Takahashi

Takashi Kawana

Hiroyuki Adachi

Katsunori Tanaka

Akiyoshi Ueda

Yasuyuki Miyazawa

Yoshihiko Hara

Masao Yamaguchi

Takahiro Sagae

Osamu Miyahara

Kazuyuki Tomita

The present invention is directed to oxazole derivatives represented by the formula &lsqb;I&rsqb;;

Oxazole derivative, process for producing the same, and herbicide

Compounds represented by general formula (1) and a herbicide containing any of the compounds as the active ingredient, wherein R,, R,, and R,each independently represents halogeno, C,allyl, etc.; R,and R,each independently represents hydrogen, C,alkyl, etc.; and Het represents either an isoxazole group optionally substituted by C,alkyl or a derivative of the group.

Benzoylpyrazole compounds and herbicide

Benzoylpyrazole compounds, intermediate preparing therefor and herbicides

The present invention is directed to oxazole derivatives represented by the formula [I]; ##STR1## wherein A represents a nitrogen atom or a R.sub.3 -substituted carbon atom;

The present invention is directed to a benzoic acid derivative methyl 3-formyl-4-methanesulfonyl-2-methylbenzoate. The compound is useful as a starting material for herbicide manufacture.

Heterocycle-substituted benzene derivatives and herbicides

Oxazole derivatives, process for producing the same, and herbicide

The present invention is directed to a compound of formula �I!: ##STR1## or a salt thereof in which R.sub.1 is a a C.sub.1-6 alkyl group, R.sup.2 is a halogen atom, a C.sub.1-6 alkylthio group, a C.sub.1-6 alkylsulfinyl group or a C.sub.1-6 alkylsulfonyl group, R.sup.3 and R.sup.4 are each independently hydrogen, a C.sub.1-6 alkyl group or a C.sub.1-6 haloalkyl group, and R is hydrogen or a C.sub.1-6 alkyl group. The present invention is further directed to a compound of formula �1! or a salt thereof, as described above and in which R.sup.1 and R.sup.3 are methyl, R.sup.2 is chlorine or methylsulfonyl, R.sup.4 is hydrogen, and R is methyl or ethyl. In addition, the present invention is directed to a herbicidal composition, characterized in that it contains as active agent one or more compounds of formula �I! or salt thereof in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 are as described above.

Compound and herbicidal composition for weed control

The present invention is directed to a compound of formula (1); ##STR1## wherein R.sup.1 and R.sup.2 are each independently a halogen atom, a C.sub.1-6 alkyl, a C.sub.1-6 haloalkyl, a C.sub.1-6 alkylsulfonyl or the like, R.sup.3 is a di-C.sub.1-6 alkoxymethyl, a di-C.sub.1-6 alkylthiomethyl, and R.sup.4 and R.sup.5 are each independently hydrogen, a C.sub.1-6 alkyl, a C.sub.2-6 alkenyl or the like, and a salt thereof, and a herbicide comprising the said compound and/or the salt.

Growing community of inventors

Kanagawa, Japan

Masami Koguchi