Novel carboxylic acid ester, its preparation, and insecticide and miticide containing the same

  • Inventors:
  • Assignees: Sumitomo Chem Co Ltd
  • Publication Date: May 10, 1980
  • Publication Number: JP-S5562083-A


NEW MATERIAL:A carboxylic acid ester of formula I [R 1 , 2 are lower alkyl or halogen; A is O, S, or methylene; B is H, ethynyl or cyano; l, m are 0W3; R 3 is II (R 4 is halogen), etc.]. EXAMPLE: 3-( 2-Thienyloxy )benzyl 2, 2-dimethyl-3-( 2, 2-dichlorovinyl )cyclopropane-1-carboxylate. USE: An insecticidal and miticidal agent, effective to vermin in house such as fly, vermin in field such as green rice leafhopper, diamondback moth, night crawler, etc., and mites, and prepared at lower cost than the extract of Dalmathian pyrethrum (containing pyrethrin) or synthetic allethrin. PROCESS: The compound I is prepared by reacting an alcohol III (X is OH or halogen) or its halide with a carboxylic acid IV or its reactive derivative. COPYRIGHT: (C)1980,JPO&Japio




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