OPTICALLY ACTIVE DIFLUOROMETHANESULFONANILIDE DERIVATIVE AND HERBICIDE

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专利权人:

KUMIAI CHEMICAL INDUSTRY CO.; LTD.

发明人:

INOUE, JUN,KAWASAKI, HIROSHI,ASAKURA, SOHEI

申请号：

EP09820394

公开号：

EP2343283A4

申请日:

2009.10.06

申请国别(地区):

EP

年份:

2012

代理人:

摘要：

The present invention aims at providing an optically active difluoromethanesulfonanilide derivative exhibiting an excellent herbicidal activity at a low dose.An optically active (R)-2-(4,6-dimethoxy-pyrimidin-2-yl)hydroxymethyl-1,1-difluoromethanesulfonanilide derivative is represented by the formula (I)(in the formula, R1 is a hydrogen atom, a C1-C4 alkyl group or a C1-C4 alkoxy C1-C4 alkyl group).and this difluoromethanesulfonanilide derivative is produced by subjecting to optical resolution a racemate of 2-(4,6-dimethoxypyrimidin-2-yl)hydroxymethyl-1,1-difluoromethanesulfonanilide derivative.

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