利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

45 条记录 (耗时 0.016 秒)

    TETRAHYDRO-2H-INDAZOLE DERIVATIVE, PREPARATION THEREOF AND HERBICIDE CONTAINING SAME AS ACTIVE CONSTITUENT
    6.
    发明专利
    TETRAHYDRO-2H-INDAZOLE DERIVATIVE, PREPARATION THEREOF AND HERBICIDE CONTAINING SAME AS ACTIVE CONSTITUENT 失效

    公开(公告)号：JPS60166665A

    公开(公告)日：1985-08-29

    申请号：JP2349884

    申请日：1984-02-10

    申请人： SUMITOMO CHEMICAL CO

    发明人： HAGA TOORU ,  NAGANO HIDEYOSHI ,  SATOU MAKOTO ,  YOSHIDA AKIRA

    IPC分类号： A01N43/56 ,  C07D231/56

    摘要： NEW MATERIAL:A tetrahydro-2H-indazole derivative expressed by formula I (R is alkyl, lower alkenyl or lower alkynyl; X is H or F; Y is Cl or Br). EXAMPLE:3-Chloro-2-( 4-chloro-2-fluoro-5-isopropylthio )phenyl-4,5,6,7-tetrahydro- 2H-indazole. USE:Useful as a herbicide, having effect broad-leaved weeds, e.g. spleen amaranth or herb bennet, gramineous weeds, e.g. Deccan grass or green foxtail, in upland field without phytotoxicity to main crops, e.g. corn or wheat, and exhibiting effect on gramineous weeds, e.g. barnyard grass, and broad-leaved weeds, e.g. false pimpernel, in paddy field without phytotoxicity to rice plants. PREPARATION:A compound expressed by formula II is reacted with a chlorinating agent in a solvent at 80-200 deg.C under ordinary-50kg/cm pressure to afford the aimed compound expressed by formula I .