| 发明名称 |
Process for the synthesis of protected esters of (S)-3,4-dihydroxybutyric acid |
| 摘要 |
PCT No. PCT/US97/11654 Sec. 371 Date Jan. 27, 1999 Sec. 102(e) Date Jan. 27, 1999 PCT Filed Jul. 1, 1997 PCT Pub. No. WO98/04543 PCT Pub. Date Feb. 5, 1998The invention is an improved process for the preparation of a compound of formula I wherein R and R1 are each independently alkyl of from 1 to 3 carbon atoms; and R2 is alkyl of from 1 to 8 carbon atoms.
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| 申请公布号 |
US5998633(A) |
申请公布日期 |
1999.12.07 |
| 申请号 |
US19990230397 |
申请日期 |
1999.01.27 |
| 申请人 |
WARNER-LAMBERT COMPANY |
发明人 |
JACKS, THOMAS E.;BUTLER, DONALD E. |
| 分类号 |
C07D317/30;C07C67/03;C07D307/33;C07D317/32;C07D317/34;(IPC1-7):C07C59/10;C07C69/675;C07D307/20;C07D317/12 |
主分类号 |
C07D317/30 |
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