The invention relates to a novel process for the preparation of an epothilone derivative of the formula (I) wherein R1 and R2 are silyl protecting groups, that uses a sultam alcohol of the formula (IV) wherein R is hydrogen or lower alkyl and R1 is a silyl protecting group, as intermediate. The compound of formula (I) is useful for the preparation of desoxyepothilones that are promising candidates for novel anticancer agents.
本发明涉及一种新型工艺,用于制备式(I)的
环丙沙星衍
生物,其中R1和R2是
硅保护基,并使用式(IV)的磺酰胺醇作为中间体,其中R为氢或低碳基,R1为
硅保护基。式(I)的化合物可用于制备脱氧
环丙沙星,这是一种有前途的新型抗癌剂。