申请日期 | 2025-06-28 | 申请号 | JP09180193 |
公开(公告)号 | JP4144919B2 | 公开(公告)日 | 2008-09-03 |
公开国别 | JP | 申请人省市代码 | 全国 |
申请人 | PHARMACHEMIE B V | ||
简介 | 10-Deacetylbaccatin III is selectively acylated to baccatin III and derivatives thereof in high yield with anhydrides (e.g. acetic anhydride), catalysed by Lewis acids. Extremely effective catalysts in this reaction are compounds of the formula MLx wherein M is a rare earth metal and L is a anion, preferably a strong electron withdrawing counterion such as triflate. |
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