申请人:VERNALIS CAMBRIDGE LTD
公开号:WO2004056782A1
公开(公告)日:2004-07-08
Compounds of formula (IA) or (IB) or a salt, N-oxide, hydrate or solvate thereof are inhibitors of HSP90, and are of value in the treatment of diseases responsive to HSP90 inhibition such as cancers. In the formulae, Ar is an aryl, aryl(C1-C6 alkyl), aryl(C1-C6 alkyl), heteroaryl, heteroarylaryl(C1-C6 alkyl), or heteroarylaryl(C1-C6 alkyl) group, any of which being optionally substituted in the aryl or heteroaryl part thereof; R1, is hydrogen or optionally substituted Cl-C6 alkyl; R2 is hydrogen, optionally substituted cycloalkyl, cycloalkenyl, C1-C6 alkyl, C1-C6 alkenyl, or Cl-C6 alkynyl; or a carboxyl, carboxamide or carboxyl ester group; and ring A is a non aromatic carbocyclic or heterocyclic ring wherein (i) a ring carbon is optionally substituted, and/or (ii) a ring nitrogen is optionally substituted by a group of formula -(Alk1)p (Cyc)n-(Alk3)m-(Z)r (Alk2)s Q where Alk1, Alk2 and Alk3 are optionally substituted C1-C3 alkyl, Cyc is an optionally substituted carbocyclic or heterocyclic radical; m, n, p, r and s are independently 0 or 1, Z is -0-, -S-, -(C=O)-, -S02-, -C(=O)O-, -OC(=O)-, -NW-, -C(=O)NRA-, -NRAC(=O)-, -SO2NRA- , or -NRASO2- wherein RA is hydrogen or C1-C6 alkyl, and Q is hydrogen or an optionally substituted carbocyclic or heterocyclic radical.
化学式(IA)或(IB)的化合物或其盐、N-氧化物、水合物或溶剂化合物是HSP90的抑制剂,并且在治疗对HSP90抑制敏感的疾病如癌症方面具有价值。在这些公式中,Ar是芳基、芳基(C1-C6烷基)、芳基(C1-C6烷基)、杂芳基、杂芳基芳基(C1-C6烷基)或杂芳基芳基(C1-C6烷基)基团,其中任何一个在其芳基或杂芳基部分中可以选择性地被取代;R1是氢或选择性取代的Cl-C6烷基;R2是氢、选择性取代的环烷基、环烯基、C1-C6烷基、C1-C6烯基或Cl-C6炔基;或者是一个羧基、羧酰胺基或羧酯基团;环A是一个非芳香性碳环或杂环,其中(i)一个环碳可以选择性地被取代,和/或(ii)一个环氮可以选择性地被一个化学式为-(Alk1)p(Cyc)n-(Alk3)m-(Z)r(Alk2)sQ的基团取代,其中Alk1、Alk2和Alk3是选择性取代的C1-C3烷基,Cyc是一个选择性取代的碳环或杂环基团;m、n、p、r和s独立地为0或1,Z是-0-、-S-、-(C=O)-、-S02-、-C(=O)O-、-OC(=O)-、-NW-、-C(=O)NRA-、-NRAC(=O)-、-SO2NRA-或-NRASO2-,其中RA是氢或C1-C6烷基,Q是氢或一个选择性取代的碳环或杂环基团。