| 发明名称 |
AUFLÖSUNG VON TRANS-2 (ALKOXYCARBONYLETHYL)- LACTAMEN, NÜTZLICH BEI DER SYNTHESE VON 1-(4- FLUOROPHENYL)-3(R)-3(S)-HYDROXY-3-(4- FLUOROPHENYL)PROPYL)-4(S)-(4-HYDROXYPHENYL)-2- AZETIDINONE |
| 摘要 |
<p>A process for the microbiological or enzymatic hydrolytic resolution of racemic trans-2-(alkoxycarbonylethyl) lactams of the formula I: wherein R is C1-C7 alkyl, 2,2,2-trifluoroethyl or methoxyethoxyethyl and R1 is hydrogen or a protecting group is disclosed, whereby an optically enriched compound of the formula Ib or IIa: is obtained.</p> |
| 申请公布号 |
AT312196(T) |
申请公布日期 |
2005.12.15 |
| 申请号 |
AT19990949706T |
申请日期 |
1999.10.01 |
| 申请人 |
SCHERING CORPORATION |
发明人 |
HOMANN, MICHAEL, J.;MORGAN, WILLIAM, BRIAN |
| 分类号 |
C07D205/08;C12P17/10;C12P41/00;C12R1/66;(IPC1-7):C12P41/00 |
主分类号 |
C07D205/08 |
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