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Novel diphenyl ether derivative and herbicides comprising it as active constituent

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专利汇可以提供Novel diphenyl ether derivative and herbicides comprising it as active constituent专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:3-(n)-Propylsulfonyl-4'-α,α,α-trifluoromethyldiphenyl ether of formula I.
USE: Herbicides having herbicidal effects on Sida spinosa L., Asiatic dayflower, and common vetch which cannot been casily destroyed, in a small amount, effective against broad leaf and grass weeds, without phytotoxicity to the crops, e.g. soybeans, peanuts, and corns.
PROCESS: 3-(n)-Prophylsulfenyl-4'-α,α,α-trifluoromethyldiphenyl ether of formula II, obtained by the well-known method, is dissolved in a suitable solvent, preferably acetic acid, oxidized with an oxidizing agent, e.g. hydrogen peroxide, peracetic acid, or potassium permanganate, and purified to form the compound of formula I.
COPYRIGHT: (C)1980,JPO&Japio,下面是Novel diphenyl ether derivative and herbicides comprising it as active constituent专利的具体信息内容。

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