| 发明名称 |
Precursors of the A-ring of vitamin D, and method and intermediates for the preparation thereof |
| 摘要 |
<p>The invention relates to precursors of the A-ring of vitamin D, of the formula (I) : <CHEM> in which A, R, R1 and R2 are as defined in the specification. The invention also relates to a method of preparing compounds (I) comprising the enzymatic asymmetrisation of 3,5-dihydroxybenzoic acid derivatives, as well as intermediates of preparation of said compounds.</p> |
| 申请公布号 |
EP1106618(A1) |
申请公布日期 |
2001.06.13 |
| 申请号 |
EP19990403065 |
申请日期 |
1999.12.08 |
| 申请人 |
LABORATOIRE THERAMEX |
发明人 |
PASCAL, JEAN-CLAUDE;VANDEWALLE, MAURITS;MAILLOS, PHILIPPE;DE CLERCQ, PIERRE |
| 分类号 |
C12P41/00;C07C;C07C29/09;C07C29/40;C07C35/14;C07C69/013;C07C69/78;C07C401/00;C07F;C07F7/18;(IPC1-7):C07F7/18 |
主分类号 |
C12P41/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
