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
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申请号: US09984334申请日: 2001-10-29
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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
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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