发明授权
- 专利标题: Process for the preparation of optically active acyloxyazetidinones
- 专利标题(中): 制备光学活性酰氧基氮杂环丁酮的方法
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申请号: US964818申请日: 1992-10-22
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公开(公告)号: US5317100A公开(公告)日: 1994-05-31
- 发明人: Jaroslav Kalvoda , Martin Kessler , Rene Lattmann , Gerardo Ramos
- 申请人: Jaroslav Kalvoda , Martin Kessler , Rene Lattmann , Gerardo Ramos
- 申请人地址: NY Ardsley
- 专利权人: Ciba-Geigy Corp.
- 当前专利权人: Ciba-Geigy Corp.
- 当前专利权人地址: NY Ardsley
- 优先权: CHX4115/88-0 19881104
- 主分类号: C07D205/08
- IPC分类号: C07D205/08 ; C07D303/48 ; C07B41/12
摘要:
Compounds of the formula ##STR1## in which R.sub.1 is hydrogen or lower alkyl, R.sub.2 is hydrogen or a hydroxyl protective group R.sub.2 ' and R.sub.3 is substituted or unsubstituted phenyl or lower alkyl can be prepared in a three-stage process from readily accessible .beta.-lactam starting materials.
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