Kumiai Chemical Industry Co., Ltd. (Tokyo JPX 03) Ihara Chemical Industry Co., Ltd. (Tokyo JPX 03)
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초록▼
The present invention is to provide a novel picolinic acid derivative having the formula, [Figure] (wherein R is a hydrogen atom, an alkyl group or others, R1 and R2 are the same or different, and are an alkyl group, an alkoxy group or others, X is a cyano group, a phenoxy group or others, Y is an o
The present invention is to provide a novel picolinic acid derivative having the formula, [Figure] (wherein R is a hydrogen atom, an alkyl group or others, R1 and R2 are the same or different, and are an alkyl group, an alkoxy group or others, X is a cyano group, a phenoxy group or others, Y is an oxygen atom or others, and n is 0 or 1) or a salt thereof; a method for preparing the same; and a herbicidal composition containing the same as an active ingredient. The picolinic acid derivative or the salt thereof of the present invention achieves an excellent herbicidal effect at a low dosage, and is effective for controlling the growth of various weeds in a wide range. The picolinic acid derivative or the salt thereof of the present invention can be applied to a paddy field, a cultivated field, a non-agricultural land and the like as a herbicidal composition.
대표청구항▼
A picolinic acid derivative having the formula: [Figure] wherein R is a hydrogen atom, a (C1-C4) alkyl group, a (C2-C4) alkenyl group, a (C2-C4) alkynyl group, a benzyl group, a halogen-substituted (C1-C4) alkyl group, a cyano (C1-C4)alkyl group, a (C1-C4) alkoxy (C1-C4) alkyl group, a (C1-C4) alkox
A picolinic acid derivative having the formula: [Figure] wherein R is a hydrogen atom, a (C1-C4) alkyl group, a (C2-C4) alkenyl group, a (C2-C4) alkynyl group, a benzyl group, a halogen-substituted (C1-C4) alkyl group, a cyano (C1-C4)alkyl group, a (C1-C4) alkoxy (C1-C4) alkyl group, a (C1-C4) alkoxycarbonyloxy (C1-C4) alkyl group, a (C1-C4) alkyl group, a cyclo (C4-C7) alkylcarbonyloxy (C1-C4) alkyl group, a cyclo (C3-C6) alkyl (C1-C4) alkyl group, an alkali metal atom selected from the group consisting of sodium and potassium, an alkali earth metal atom or an organic amine cation selected from the group consisting of a (C1-C4) alkylamino and a di-(C1-C4) alkylamine; R1 and R2 are the same or different, and are a (C1-C4) alkyl group, a (C1-C4) alkoxy group, a halogen atom, a halogen-substituted (C1-C4) alkoxy group or a (C1-C4) alkylsulfonyl group; X is a group having the formula [Figure] wherein R3 and R4 are the same or different, and are a hydrogen atom, a (C1-C4) alkyl group, a phenyl group or a (C1-C4) acyl group; a cyano group; a phenyl group which may be substituted with a halogen atom, a (C1-C4) alkyl group or a (C1-C4) alkoxy group; a phenoxy group; a (C2-C4) alkenyl group; a (C2-C4) alkynyl group; a hydroxyl group; a trimethylsilylethynyl group; a nitro group; a 4,6-dimethoxypyrimidin-2-yloxy group; or a hydrogen atom; Y is an oxygen atom or a group having the formula [Figure] wherein R5 is a hydrogen atom or a formyl group; and n is 0 or 1; provided that when X is a hydrogen atom, Y is a group having the formula [Figure] or a salt thereof.
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