| 摘要 |
Compounds of formula (I) have HSP90 inhibitory activity and are therefore useful in the treatment of, inter alia, cancer: Formula (I) wherein Ri is hydrogen, fluoro, chloro, bromo, or a radical of formula -X-Alk1-(Z)m-(Alk2)n-Q wherein X is -O-, -S- -S(O)-, SO2-, or -NH-, Z is -O-, -S-, -(C-O)-, -(C-S)-, -S(O)-, -SO2-, -NRA-, or, in either orientation -C(-O)O-, -C(-O)NRA-, -C(-S)NRA-, -SO2NRA-, -NRAC(-O)-, or -NRASO2- wherein RA is hydrogen or C1-C6 alkyl AIk1 and AIk2 are optionally substituted divalent C1-C3 alkylene or C2-C3 alkenylene radicals, m, n and p are independently 0 or 1, and Q is hydrogen or an optionally substituted carbocyclic or heterocyclic radical; R2 is a radical of formula -(Ar1)p-(Alk1)q-(Z)r-(Alk2)s-Q wherein Ar1 is an optionally substituted aryl or heteroaryl radical, Alk1, Alk2, Z, and Q are as defined above, and p, q, r and s are independently 0 or 1; and R3 is cyano (-CN), fluoro, chloro, bromo, methyl in which in which one or more hydrogen atoms are optionally replaced by fluorine atoms, ethyl in which in which one or more hydrogen atoms are optionally replaced by fluorine atoms, cyclopropyl, -OH, -CH2OH, -C(O)NH2, -C(O)CH3, Or -NH2.
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