发明授权
- 专利标题: Preparation method for 2-coumaranone
- 专利标题(中): 2-香豆素的制备方法
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申请号: US472400申请日: 1995-06-07
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公开(公告)号: US5616733A公开(公告)日: 1997-04-01
- 发明人: Jean-Claude Vallejos , Alain Perrard , Yani Christidis , Pierre Gallezot
- 申请人: Jean-Claude Vallejos , Alain Perrard , Yani Christidis , Pierre Gallezot
- 申请人地址: FRX Puteaux
- 专利权人: Societe Francaise Hoechst
- 当前专利权人: Societe Francaise Hoechst
- 当前专利权人地址: FRX Puteaux
- 优先权: FRX9407651 19940622
- 主分类号: B01J23/42
- IPC分类号: B01J23/42 ; B01J23/44 ; C07B61/00 ; C07D307/83 ; C07D307/78
摘要:
Preparation process for 2-coumaranone in which glyoxylic acid, in vapor phase, is reacted with cyclohexanone, in the presence of a dehydrogenation catalyst.
公开/授权文献
- US5281360A Barrier composition and articles made therefrom 公开/授权日:1994-01-25