A method for preparing taxane derivatives having general formula (I), novel derivatives thereby obtained and compositions containing same. In general formula (I), R is t.butoxy or phenyl, R.sub.1 is hydrogen or acetyl, and Ar is substituted phenyl or optionally substituted .alpha. or .beta.-naphthyl. These novel taxane derivatives are useful as antileukemic and antitumoral agents. ##STR1##
一种制备具有一般式(I)的
紫杉醇衍
生物的方法,以及由此获得的新型衍
生物和含有其的组合物。在一般式(I)中,R为t-丁氧基或苯基,R.sub.1为氢或乙酰基,Ar为取代苯基或可选地取代的α或β-
萘基。这些新型
紫杉醇衍
生物可用作抗白血病和
抗肿瘤药物。