发明授权
US06781009B2 Method for producing 4-cyano-3-oxobutanoate and 4-ctano-3-hydroxybutanoate 失效
4-氰基-3-氧代丁酸酯和4-碳酸-3-羟基丁酸酯的制备方法

  • 专利标题: Method for producing 4-cyano-3-oxobutanoate and 4-ctano-3-hydroxybutanoate
  • 专利标题(中): 4-氰基-3-氧代丁酸酯和4-碳酸-3-羟基丁酸酯的制备方法
  • 申请号: US09984334
    申请日: 2001-10-29
  • 公开(公告)号: US06781009B2
    公开(公告)日: 2004-08-24
  • 发明人: Ryuhei Wakita
  • 申请人: Ryuhei Wakita
  • 优先权: JP2000-332640 20001031; JP2000-372705 20001207
  • 主分类号: C07C25517
  • IPC分类号: C07C25517
Method for producing 4-cyano-3-oxobutanoate and 4-ctano-3-hydroxybutanoate
摘要:
There are provided a method for producing a 4-cyano-3-oxobutanoate by reacting a 4-halo-3-oxobutanoate with an alkaline metal cyanide in methanol, a process for producing 4-cyano-3-hydroxybutanoate therefrom.
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