TAXANE DERIVATIVES

摘要

Taxane derivatives represented by general formula (1) or salts thereof and drugs containing the same as the active ingredient wherein A1 represents (a) (wherein R1 represents H or optionally substituted alkyl) or (b) (wherein R2 represents amino, mono- or dialkylamino, piperidino, pyrrolidino or morpholino); X represents H, alkoxycarbonyl or benzoyl; Y represents H or trialkylsilyl; A2 represents furyl, alkylfuryl, alkyl or fluorophenyl; Ac represents acetyl; and Bz represents benzoyl. These compounds are excellent in solubility in water and antitumor activity.