发明名称 |
FREMGANGSMAADE TIL FREMSTILLING AF OPTISK AKTIVE ACYLOXYAZETIDINONER |
摘要 |
<p>Compounds of the formula <IMAGE> in which R1 denotes hydrogen or lower alkyl, R2 denotes hydrogen or a hydroxyl protecting group R2', and R3 denotes optionally substituted phenyl or lower alkyl, can be prepared in a three-step process from easily accessible beta -lactam starting materials.</p> |
申请公布号 |
DK549789(A) |
申请公布日期 |
1990.05.05 |
申请号 |
DK19890005497 |
申请日期 |
1989.11.03 |
申请人 |
CIBA-GEIGY AG |
发明人 |
KALVODA, JAROSLAV;KESSLER, MARTIN;LATTMANN, RENE;RAMOS, GERARDO |
分类号 |
C07D205/08;C07D303/48;C07F7/18;(IPC1-7):C12P17/10 |
主分类号 |
C07D205/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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