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Diphenyl ether derivative, and herbicide containing diphenyl ether derivative

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专利汇可以提供Diphenyl ether derivative, and herbicide containing diphenyl ether derivative专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:A diphenyl ether derivative of formula I [X and Z are H or halogen; Y is halogen, trifluoromethyl, etc.; R is group of formula III (R
1 and R
2 are lower alkyl, H, etc. or together may form a saturated cycloaliphatic ring), etc.].
EXAMPLE: 2-Chloro-4-trifluoromethyl-3'-[ ( 1,4-dioxaspiro-[4.4]nonan-2-yl )methoxy ]-4'-nitrodiphenyl ether.
USE: Herbicide effective to a wide variety of weeds such as true-grass weeds and broad leaved weeds by soil treatment as well as foliar treatment. Completely free from phytotoxicity to transplanted rice plant, such as browning of leaf sheath, insufficient tillering, etc.
PROCESS: The compound of formula I is prepared by reacting a compound of formula II with an alkali such as KOH, NaOH, etc. in a proper solvent such as dioxane, etc.
COPYRIGHT: (C)1981,JPO&Japio,下面是Diphenyl ether derivative, and herbicide containing diphenyl ether derivative专利的具体信息内容。

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