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Benzotriazine derivative, its preparation, and herbicide containing the same as active constituent

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专利汇可以提供Benzotriazine derivative, its preparation, and herbicide containing the same as active constituent专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:A benzotriazine derivative of formulaI(R is lower alkyl; X is halogen; n is 0 or 1).
EXAMPLE: Methyl2-{4-{3-[7-Chloro-1,2,4-benzotriazinyl(1-oxide)]oxy} phenoxy}propionate.
USE: A herbicide capable of exhibiting excellent herbicidal effects on various broad-leaved weeds and gramineous weeds without phytotoxicity to broad-leaved cultivated crops, e.g. cotton, soybeans, AZUKI beans, peanut or rapeseed, particularly useful as a herbicide for plowed fields, and suitable for controlling broad- leaved weeds of the family compositae.
PROCESS: A benzotriazine derivative of formula II (Y is halogen) is reacted with a 4-hydroxyphenoxy fatty acid derivative of formula III in the presence of an inorganic or organic base in an inert solvent to give the compound of formulaI.
COPYRIGHT: (C)1982,JPO&Japio,下面是Benzotriazine derivative, its preparation, and herbicide containing the same as active constituent专利的具体信息内容。

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