| 摘要 |
The present invention provides paclitaxel derivatives of formula I <IMAGE> I in which R1 is -CORz, in which Rz is RRoN-, RHN-, RO- or R; R2 is C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C3-6 cycloalkyl, or a radical of the formula -W-Rx in which W is a bond, C2-6 alkenediyl, or -(CH2)t-, in which t is one to six; and Rx is naphthyl, phenyl, or heteroaryl, and furthermore Rx can be optionally substituted with one to three same or different C1-6 alkyl, C1-6 alkoxy, halogen or -CF3 groups; R and Ro are independently C1-6 alkyl, C2-6 alkenyl, C3-6 cycloalkyl, C2-6 alkynyl, or phenyl, optionally substituted with one to three same or different C1-6 alkyl, C1-6 alkoxy, halogen or -CF3 groups. Also provided by this invention are pharmaceutical formulations (compositions) and a method of treating mammalian tumors with a compound of formula I. |
