Diphenyl ether derivative, and herbicide containing diphenyl ether derivative

  • Inventors:
  • Assignees: Ube Ind Ltd
  • Publication Date: May 15, 1980
  • Publication Number: JP-S5564567-A

Abstract

NEW MATERIAL:A diphenyl ether derivative of formula I [X, Y are halogen, CF 3 (when X is halogen, Y is CF 3 , and when X is CF 3 , Y is halogen); R 1 , 2 are H, lower alkyl, alkenyl, etc.]. EXAMPLE: 2'-Chloro-4'-trifluoromethyl-3-aminosulfonyl-4-nitrodiphenyl ether. USE: Herbicide effective to a wide variety of weeds such as annual or perennial true- grass weeds, broad-leaved weeds, etc., by soil-treatment or stalk and leaf treatemnt. A herbicide for paddy rice field, applied to the weeds of the early-or middle-growing stage, or a herbicide for plowed field applied to the soil or to the stalks and leaves of weeds. PROCESS: For example, the compound II is converted to the compound III according to the reaction formula, and the compound III is reacted with an amine of formula IV (R 3 , 4 are H, lower alkyl, or alkenyl) to afford the compound I. COPYRIGHT: (C)1980,JPO&Japio

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