| 发明名称 |
PROCESS FOR THE PREPARATION OF BETA-IONYLIDENEACETALDEHYDE |
| 摘要 |
<p>The present invention relates to an industrially advantageous process for the preparation of beta-ionylidencacetaldehyde of structural Formula I, which is a key intermediate for the synthesis of vitamin A and related compounds such as tretinoin and isotretinoin.</p> |
| 申请公布号 |
EP1421054(A2) |
申请公布日期 |
2004.05.26 |
| 申请号 |
EP20020758727 |
申请日期 |
2002.08.23 |
| 申请人 |
RANBAXY LABORATORIES, LTD.;SALMAN, MOHAMMAD |
发明人 |
SALMAN, MOHAMMAD;RAY, PURNA, CHANDRA;KUMAR, NARESH |
| 分类号 |
C07C29/147;C07C33/14;C07C45/29;C07C47/225;C07C67/343;C07C403/14;(IPC1-7):C07C67/343 |
主分类号 |
C07C29/147 |
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