发明授权
US3986860A Cyclic acetals of alpha-oxocarboxylic acid derivatives 失效
α-氧代羧酸衍生物的循环乙醇

  • 专利标题: Cyclic acetals of alpha-oxocarboxylic acid derivatives
  • 专利标题(中): α-氧代羧酸衍生物的循环乙醇
  • 申请号: US522078
    申请日: 1974-11-08
  • 公开(公告)号: US3986860A
    公开(公告)日: 1976-10-19
  • 发明人: Peter KirbyEirlys R. Isaac
  • 申请人: Peter KirbyEirlys R. Isaac
  • 申请人地址: TX Houston
  • 专利权人: Shell Oil Company
  • 当前专利权人: Shell Oil Company
  • 当前专利权人地址: TX Houston
  • 优先权: UK17564/71 19710527
  • 主分类号: A01N9/28
  • IPC分类号: A01N9/28
Cyclic acetals of alpha-oxocarboxylic acid derivatives
摘要:
Cyclic acetals of the formula ##EQU1## where R.sub. 1 is hydroxy, alkoxy, or NHZ, Z is hydrogen, alkyl, cycloalkyl, benzyl, or optionally substituted phenyl, R.sub. 2 is hydrogen or alkyl, R.sub.3 is alkyl, and R.sub.4 is aralkyl, are useful as herbicides.
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