[EN] ISOXAZOLE COMPOUNDS AS INHIBITORS OF HEAT SHOCK PROTEINS<br/>[FR] COMPOSES D'ISOXAZOLE UTILES COMME INHIBITEURS DES PROTEINES DE CHOC THERMIQUE
申请人:VERNALIS CAMBRIDGE LTD
公开号:WO2004072051A1
公开(公告)日:2004-08-26
Isoxazoles of formula (A) or (B) are inhibitors of HSP90 activity, and useful for treatment of, for example cancers: (A), (B) wherein R1, is a group of formula (IA): -Ar1-(Alk1)p-(Z)r-(Alk2)S-Q, wherein in any compatible combination Ar1 is an optionally substituted aryl or heteroaryl radical, Alk1and Alk2 are optionally substituted divalent Cl-C6 alkylene or C2-C6 alkenylene radicals, p, r and s are independently 0 or 1, Z is -0-, -S-, -(C=O)-, -(C=S)-, -SO2-, -C(=O)O-, -C(=O)NRA-, -C(=S)NRA-, - SO2NRA-, -NRAC(=O)-, -NRASO2- or -NRA- wherein RA is hydrogen or Cl-C6 alkyl, and Q is hydrogen or an optionally substituted carbocyclic or heterocyclic radical; R2 is (i) a group of formula (IA) above or (ii) a carboxamide radical; or (iii) a non aromatic carbocyclic or heterocyclic ring wherein a ring carbon is optionally substituted, and/or a ring nitrogen is optionally substituted by a group of formula -(Alk1)p-(Z)r-(Alk2)s-Q wherein Q, Alk1, Alk2, Z, p, r and s are as defined above in relation to group (IA); and R3 is hydrogen, optionally substituted cycloalkyl, cycloalkenyl, C1-C6 alkyl, C1-C6 alkenyl, or C1-C6 alkynyl; or a carboxyl, carboxamide, or carboxyl ester group.
式(A)或(B)的异唑唑烷是HSP90活性的抑制剂,可用于治疗癌症等疾病:其中R1是式(IA)的一个基团:-Ar1-(Alk1)p-(Z)r-(Alk2)S-Q,其中在任何兼容的组合中,Ar1是可选择地取代的芳基或杂环基团,Alk1和Alk2是可选择地取代的二价Cl-C6烷基或C2-C6烯基基团,p、r和s独立地为0或1,Z是-0-,-S-,-(C=O)-,-(C=S)-,-SO2-,-C(=O)O-,-C(=O)NRA-,-C(=S)NRA-,-SO2NRA-,-NRAC(=O)-,-NRASO2-或-NRA-,其中RA是氢或Cl-C6烷基,Q是氢或一个可选择地取代的脂环或杂环基团;R2是(i)上述式(IA)的一个基团或(ii)一个羧酰胺基团;或(iii)一个非芳香的脂环或杂环环,其中一个环碳原子可选择地取代,和/或一个环氮原子可选择地被一个式-(Alk1)p-(Z)r-(Alk2)s-Q的基团取代,其中Q、Alk1、Alk2、Z、p、r和s如上所述与式(IA)相关的基团定义;R3是氢,可选择地取代的环烷基、环烯烃基、C1-C6烷基、C1-C6烯基或C1-C6炔基;或一个羧基、羧酰胺基或羧酸酯基团。