| 发明名称 |
IMPROVED PROCESS FOR THE SYNTHESIS OF (5R)-1,1-DIMETHYLETHYL6-CYANO-5-HYDROXY-3-OXO-HEXANOATE |
| 摘要 |
An improved process for the preparation of (5R)-1,1-dimethylethyl 6-cyano-5- hydroxy-3-oxo-hexanoate is described where a halo hydroxyester or other activated dihydroxyester is converted in two steps to the desired product.
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| 申请公布号 |
CA2116973(C) |
申请公布日期 |
2004.09.21 |
| 申请号 |
CA19922116973 |
申请日期 |
1992.10.05 |
| 申请人 |
WARNER-LAMBERT COMPANY |
发明人 |
BUTLER, DONALD EUGENE;LE, TUNG VAN;MILLAR, ALAN;NANNINGA, THOMAS NORMAN |
| 分类号 |
C07D319/06;C07C253/14;C07C253/16;C07C253/30;C07C255/20;C07C255/21;C07D405/06;(IPC1-7):C07C255/21;C07C253/00 |
主分类号 |
C07D319/06 |
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