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Quinoxaline derivative and herbicide containing the same as active constituent

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专利汇可以提供Quinoxaline derivative 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 quinoxaline derivative expressed by formula I [ X is Cl or F; R is COOR
1 [R
1 is alkyl, cyclohexyl, phenyl, benzyl, (CH
2 )OCH
3 , CH
2 CH=CH
2 or salt-forming atom], CON(CH
3 )
2 , CN, CH=CH-COOCH
3 or CH
2 OH].
EXAMPLE: n-Propyl 2-[4-(6-chloro-2-quinoxalyloxy)phenoxy]propionate.
USE: A herbicide effective particularly against gramineous plants by any of soil and foliar treatment, with little phototoxicity to cotton, a soybean, a Japanese radish, cabbage, eggplant, etc.
PROCESS: A 2,6-dihalogenoquinoxaline of formula II as a raw material is reacted with hydroquinone to give the compound of formula I via a 6-halogeno-2-(4'-hydroxyphenoxy)quinoxaline of formula III.
COPYRIGHT: (C)1981,JPO&Japio,下面是Quinoxaline derivative and herbicide containing the same as active constituent专利的具体信息内容。

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