| 发明名称 |
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one |
| 摘要 |
The present invention relates to a novel process for producing a delta-lactone of the formula:using an acyl halide of the formula:wherein R1, R2 R3 and X are described herein. In particular, the present invention relates to a process for enantioselectively producing the delta-lactone and novel intermediates disclosed herein.
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| 申请公布号 |
US6552204(B1) |
申请公布日期 |
2003.04.22 |
| 申请号 |
US20000668799 |
申请日期 |
2000.09.22 |
| 申请人 |
ROCHE COLORADO CORPORATION |
发明人 |
HARRINGTON PETER J.;HODGES LEWIS M.;PUENTENER KURT;SCALONE MICHELANGELO |
| 分类号 |
C07D305/10;B01J31/22;C07B53/00;C07B61/00;C07C67/31;C07C67/317;C07C69/675;C07D309/30;C07D309/32;C07F7/18;(IPC1-7):C07F7/04;C07F7/08 |
主分类号 |
C07D305/10 |
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