Benzoylpyrazole compounds, intermediate preparing therefor and herbicides
AssigneeNippon Soda Co., Ltd.
InventorsHiroyuki Adachi, Katsunori Tanaka, Akihiro Takahashi, Masami Koguchi
Life of this patent
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Abstract
A compound represented by the general formula [I] ##STR1## (wherein R.sup.1 is a C.sub.1 -C.sub.6 alkyl group; R.sup.2 is a C.sub.1 -C.sub.6 alkylsulfonyl group and the like; R.sup.3 and R.sup.4 are each independently hydrogen or a C.sub.1 -C.sub. 6 alkyl group; R.sup.5 is hydrogen or a benzyl group or the like; R.sup.7, R.sup.8, R.sup.9 and R.sup.10 are each independently hydrogen or a C.sub.1 -C.sub.6 alkyl group.) or a herbicide containing a salt thereof, intermediate preparing therefor, and the said compound.
Claims3
A compound represented by the formula I ##STR31## wherein R.sup.1 is a C.sub.1 -C.sub.6 alkyl group;
- R.sup.2 is a C.sub.1 -C.sub.6 alkylthio group or a C.sub.1 -C.sub.6 alkylsulfonyl group;
- R.sup.3 and R.sup.4 are each independently hydrogen or a C.sub.1 -C.sub.6 alkyl group;
- R.sup.5 is hydrogen or a group selected from the group represented by the following formula ##STR32## wherein R.sup.6 is halogen, a C.sub.1 -C.sub.6 alkyl group or a C.sub.1 -C.sub.6 alkoxy group;
- and n is 0, 1, 2, 3, 4 or 5;
- R.sup.7, R.sup.8, R.sup.9 and R.sup.10 are each independently hydrogen or a C.sub.1 -C.sub.6 alkyl group;
- and R.sup.7 or R.sup.8 and R.sup.9 or R.sup.11 may form a single bond, or a salt thereof.
A herbicide characterized by containing one or more compounds represented by formula I ##STR33## wherein R.sup.1 is a C.sub.1 -C.sub.6 alkyl group;
- R.sup.2 is a C.sub.1 -C.sub.6 alkylthio group or a C.sub.1 -C.sub.6 alkylsulfonyl group;
- R.sup.3 and R.sup.4 are each independently hydrogen or a C.sub.1 -C.sub.6 alkyl group;
- R.sup.5 is hydrogen or a group selected from the group represented by the following formula ##STR34## wherein R.sup.6 is halogen, a C.sub.1 -C.sub.6 alkyl group or a C.sub.1 -C.sub.6 alkoxy group;
- and n is 0, 1, 2, 3, 4 or 5;
- R.sup.7, R.sup.8, R.sup.9 and R.sup.10 are each independently hydrogen or a C.sub.1 -C.sub.6 alkyl group;
- and R.sup.7 or R.sup.8 and R.sup.9 or R.sup.10 may form a single bond or salts thereof, as active ingredients.
A compound represented by the formula (1) ##STR35## wherein R.sup.1 is a C.sub.1 -C.sub.6 alkyl group;
- R.sup.2 is a C.sub.1 -C.sub.6 alkylthio group or a C.sub.1 -C.sub.6 alkylsulfonyl group and R.sup.7, R.sup.8, R.sup.9 and R.sup.10 are each independently hydrogen or a C.sub.1 -C.sub.6 alkyl group;
- and R.sup.7 or R.sup.8, and R.sup.9 or R.sup.10 may form a single bond;
- R is hydrogen or a C.sub.1 -C.sub.6 alkyl group).
Dependencies are inferred from the claim text.