| 发明名称 |
METHOD OF PRODUCING 6-(1-OXYETHYL)ANHYDROPENICILLIN IN THE FORM OF 5,6-TRANS ISOMER |
| 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 |
SU1435154(A3) |
申请公布日期 |
1988.10.30 |
| 申请号 |
SU19864027635 |
申请日期 |
1986.06.13 |
| 申请人 |
BRISTOL-MEJERZ KOMPANI (FIRMA) |
发明人 |
ALAIN MARTEL,CA;ZHAN-POL DARIS,CA |
| 分类号 |
C07D499/04;C07D205/08;C07D499/86;C07D499/861;C07D499/87;C07D499/88;C07D499/897;C07F7/18 |
主分类号 |
C07D499/04 |
| 代理机构 |
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