The present invention relates to novel intermediates of Formula (I), wherein R3 is H, X is O or N, R1 or R2 is either absent or independently H, alkyl or acyl, and provided that when X is O, then R1 is absent and the process for the preparation of ixabepilone utilizing said intermediates.
本发明涉及公式(I)的新型中间体,其中R3为H,X为O或N,R1或R2要么不存在,要么独立地为H,烷基或酰基,且当X为O时,则R1不存在,并提供使用上述中间体制备伊扎贝
肟的方法。