发明授权
US5405998A Process for the manufacture of cycloalkyl and haloalkyl o-aminophenyl ketones 失效
制备环烷基和卤代烷基邻氨基苯基酮的方法

  • 专利标题: Process for the manufacture of cycloalkyl and haloalkyl o-aminophenyl ketones
  • 专利标题(中): 制备环烷基和卤代烷基邻氨基苯基酮的方法
  • 申请号: US159984
    申请日: 1993-11-30
  • 公开(公告)号: US5405998A
    公开(公告)日: 1995-04-11
  • 发明人: Albert A. Cevasco
  • 申请人: Albert A. Cevasco
  • 申请人地址: NJ Wayne
  • 专利权人: American Cyanamid Company
  • 当前专利权人: American Cyanamid Company
  • 当前专利权人地址: NJ Wayne
  • 主分类号: C07C209/68
  • IPC分类号: C07C209/68
Process for the manufacture of cycloalkyl and haloalkyl o-aminophenyl
ketones
摘要:
There is provided an improved method for the production of o-aminophenyl ketones of formula I wherein R is C.sub.3 -C.sub.6 cycloalkyl or C.sub.1 -C.sub.6 haloalkyl. ##STR1## Compounds of formula I are key intermediates in the manufacture of sulfamoyl urea herbicides.
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