| 发明名称 |
STEREOCONTROLLED PRODUCTION OF 4-ACETOXYAZETIDINONES,CERTAIN 6-(1'-HYDROXYETHYL)-ANHYDROPENICILLIN DERIVATIVES USED AS INTERMEDIATES THEREIN AND THEIR PREPARATION |
| 摘要 |
<p>A novel stereocontrolled process is disclosed for converting 6-aminopenicillanic acid to an optically active azetidinone of the formula <IMAGE> wherein R'' is a hydroxy-protecting group by use of a 6,6-dihaloanhydropenicillin or 6,6-bis(phenylselenyl)anhydropenicillin intermediate.</p> |
| 申请公布号 |
IL74799(A) |
申请公布日期 |
1988.11.15 |
| 申请号 |
IL19850074799 |
申请日期 |
1985.04.03 |
| 申请人 |
BRISTOL-MYERS COMPANY |
发明人 |
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| 分类号 |
C07D499/04;C07D205/08;C07D499/86;C07D499/861;C07D499/87;C07D499/88;C07D499/897;C07F7/18;(IPC1-7):C07D205/08;C07D499/00 |
主分类号 |
C07D499/04 |
| 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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