申请人:VERNALIS CAMBRIDGE LTD
公开号:WO2006008503A1
公开(公告)日:2006-01-26
Compounds of formula (I) are inhibitors of HSP90, and useful in the treatment of, for example, cancers: Formula (I) wherein R2 is a group of formula (IA): -(Ar1)m (Alk1)P (Z)r (Alk2)s-Q (1A) wherein in any compatible combination Ar1 is an optionally substituted aryl or heteroaryl radical, Alk1 and Alk2 are optionally substituted divalent C1-C3 alkylene or C2-C3 alkenylene radicals, m, p, r and s are independently 0 or 1, Z is -0-, -S-, -(C=0)-, -(C=S)-, -SO2-, -C(=O)O-, -C(=O)NRA- , -C(=S)NRA-, -SO2NRA-, -NRAC(=0)-, -NRAS02- or -NRA- wherein RA is hydrogen or C1-C6 alkyl, and Q is hydrogen or an optionally substituted carbocyclic or heterocyclic radical; R3 is hydrogen, an optional substituent, or an optionally substituted (C1-C6)alkyl, aryl or heteroaryl radical; and R4 is (i) hydrogen, a -CN group, a nitro group -NO2, or a - C(=NOH)(NH2) group, or(ii) an optionally substituted C1-C6alkyl, aryl, heterocyclic, aryl(C1-C6alkyl)-, or heterocyclic(C1-C6alkyl)- group, or (iii) a group of formula - C(=0)R5 wherein R5 is hydroxyl, optionally substituted C1-C6alkyl, C1-C6alkyoxy, aryl, aryloxy, heteroaryl, heteroaryloxy,aryl(C1-C6alkyl)-, aryl(C1-C6alkoxy)-, heteroaryl(C1-C6alkyl)-, or heteroaryl(C1-C6alkoxy)-, or (iv) a group of formula -C(=O)NHR6 wherein R6 is primary, secondary, tertiary or cyclic amino, or hydroxyl, optionally substituted C1-C6alkyl, C1-C6alkyoxy, aryl, aryloxy, heteroaryl, heteroaryloxy, aryl(C1-C6alkyl)-, aryl(C1-C6alkoxy)-, heteroaryl(C1-C6alkyl)-, or heteroaryl(C1-C6alkoxy)-.
公式(I)的化合物是HSP90的抑制剂,并且在治疗例如癌症方面是有用的:公式(I)其中R2是公式(IA)的基团:-(Ar1)m (Alk1)P (Z)r (Alk2)s-Q (1A)其中在任何兼容组合中Ar1是可选地取代的芳基或杂芳基自由基,Alk1和Alk2是可选地取代的C1-C3亚烷基或C2-C3亚烯基自由基,m、p、r和s独立地为0或1,Z是-0-,-S-,-(C=0)-,-(C=S)-,-SO2-,-C(=O)O-,-C(=O)NRA-,-C(=S)NRA-,-SO2NRA-,-NRAC(=0)-,-NRAS02-或-NRA-其中RA是氢或C1-C6烷基,并且Q是氢或可选地取代的碳环或杂环自由基;R3是氢,可选的取代基,或可选地取代的(C1-C6)烷基,芳基或杂芳基自由基;R4是(i)氢,-CN基团,硝基-NO2,或-C(=NOH)(NH2)基团,或(ii)可选地取代的C1-C6烷基,芳基,杂环,芳基(C1-C6烷基)-或杂环(C1-C6烷基)-基团,或(iii)公式-C(=0)R5的基团其中R5是羟基,可选地取代的C1-C6烷基,C1-C6烷氧基,芳基,芳氧基,杂芳基,杂芳氧基,芳基(C1-C6烷基)-,芳基(C1-C6烷氧基)-,杂芳基(C1-C6烷基)-或杂芳基(C1-C6烷氧基)-,或(iv)公式-C(=O)NHR6的基团其中R6是一级,二级,三级或环状氨基酸,或羟基,可选地取代的C1-C6烷基,C1-C6烷氧基,芳基,芳氧基,杂芳基,杂芳氧基,芳基(C1-C6烷基)-,芳基(C1-C6烷氧基)-,杂芳基(C1-C6烷基)-或杂芳基(C1-C6烷氧基)-。