发明授权
- 专利标题: Process for the efficient preparation of N-substituted dehydroamino acid esters
- 专利标题(中): 制备N-取代的脱氢氨基酸酯的方法
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申请号: US340781申请日: 1994-11-17
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公开(公告)号: US5559268A公开(公告)日: 1996-09-24
- 发明人: William A. Nugent
- 申请人: William A. Nugent
- 申请人地址: DE Wilmington
- 专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人地址: DE Wilmington
- 主分类号: B01J27/236
- IPC分类号: B01J27/236 ; C07B61/00 ; C07C231/14 ; C07C233/47 ; C07C229/00
摘要:
A process for the preparation of N-substituted dehydroamino acid esters by contacting a .beta.-hydroxy-.alpha.-amino acid ester or N- or O-substituted .beta.-hydroxy-.alpha.-amino acid ester with an excess of acetic anhydride and a base is disclosed.
公开/授权文献
- US6071713A Bioprocesses for preparing 7-ACA and 7-ADAC 公开/授权日:2000-06-06
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