申请人:Johnson H James
公开号:US20050176975A1
公开(公告)日:2005-08-11
The invention provides methods and compositions for selectively acylating a specific hydroxyl group in a molecule of interest containing at least two unprotected secondary hydroxyl groups. Although the methods and compositions of the invention have general applicability, they are particularly useful in the selective acylation of the taxane molecules.
本发明提供了选择性酰化含有至少两个未受保护仲羟基的相关分子中特定羟基的方法和组合物。尽管本发明的方法和组合物具有普遍适用性,但它们在选择性酰化紫杉烷分子方面特别有用。