发明授权
US4048224A Process for resolving alanine, 3-fluoro and 2-deutero-3-fluoro-DL-alanine
失效
解决丙氨酸,3-氟和2-氘代-3-氟-DL-丙氨酸的方法
- 专利标题: Process for resolving alanine, 3-fluoro and 2-deutero-3-fluoro-DL-alanine
- 专利标题(中): 解决丙氨酸,3-氟和2-氘代-3-氟-DL-丙氨酸的方法
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申请号: US664328申请日: 1976-03-05
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公开(公告)号: US4048224A公开(公告)日: 1977-09-13
- 发明人: John M. Chemerda , George Gal
- 申请人: John M. Chemerda , George Gal
- 申请人地址: NJ Rahway
- 专利权人: Merck & Co., Inc.
- 当前专利权人: Merck & Co., Inc.
- 当前专利权人地址: NJ Rahway
- 主分类号: C07C227/34
- IPC分类号: C07C227/34 ; A61K31/195 ; A61K31/198 ; A61P31/04 ; C07C20060101 ; C07C67/00 ; C07C227/00 ; C07C227/06 ; C07C227/36 ; C07C227/40 ; C07C229/08 ; C07C229/20 ; C07C101/10
摘要:
DL-Alanine, 3-fluoro-DL-alanine and 2-deutero-3-fluoro-DL-alanine, are resolved by reaction with a resolving base and a .beta.-dicarbonyl compound. The resulting azomethine diastereomeric salts which are easily separated, the masking group is readily removed under mildly acidic conditions.
公开/授权文献
- US5234036A Dispensing fuel with aspiration of condensed vapors 公开/授权日:1993-08-10
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