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(2-methyl-4-chloro)phenoxybutyranilide, preparation thereof and herbicide containing said compound

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专利汇可以提供(2-methyl-4-chloro)phenoxybutyranilide, preparation thereof and herbicide containing said compound专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:(2-Methyl-4-chloro)phenoxybutyranilide expressed by formula I .
USE: A herbicide, having improved effect on various weeds with little phytotoxicity to gramineous crops, and capable of selecting freely the period of use, e.g. before or in seeding, in transplanting, in the period of young seedlings or growth period, etc.
PREPARATION: A carboxylic acid expressed by formula II or a reactive derivative thereof is reacted with aniline expressed by formula III to afford the aimed compound expressed by formula I . An acid chloride, ester, acid anhydride, etc. may be used as the reactive derivative. In case the acid chloride is used, the reaction is preferably carried out in the presence of a deacidifying agent, e.g. potassium carbonate, in an inert solvent, e.g. benzene, usually preferably at 0W 40°C.
COPYRIGHT: (C)1985,JPO&Japio,下面是(2-methyl-4-chloro)phenoxybutyranilide, preparation thereof and herbicide containing said compound专利的具体信息内容。

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