申请人:Beswick Christine
公开号:US20060148817A1
公开(公告)日:2006-07-06
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(C
1
-C
6
alkyl), aryl(C
1
-C
6
alkyl), heteroaryl, heteroarylaryl(C
1
-C
6
alkyl), or heteroarylaryl(C
1
-C
6
alkyl) group, any of which being optionally substituted in the aryl or heteroaryl part thereof; R
1
, is hydrogen or optionally substituted C
1
-C
6
alkyl; R
2
is hydrogen, optionally substituted cycloalkyl, cycloalkenyl, C
1
-C
6
alkyl, C
1
-C
6
alkenyl, or C
1
-C
6
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 -(Alk
1
)
p
(Cyc)
n
-(Alk
3
)
m
-(Z)
r
-(Alk
2
)
s
Q where Alk
1
, Alk
2
and Alk
3
are optionally substituted C
1
-C
3
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)NR
A
—, —NR
A
C(═O)—, —SO
2
NR
A
—, or —NR
A
SO
2
— wherein R
A
is hydrogen or C
1
-C
6
alkyl, and Q is hydrogen or an optionally substituted carbocyclic or heterocyclic radical.
化合物的式(IA)或(IB)或其盐,N-氧化物,水合物或溶剂化物是HSP90的抑制剂,对于对HSP90抑制响应的疾病如癌症的治疗具有价值。在式中,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选择性地被取代;R1是氢或可选择性取代的C1-C6烷基;R2是氢,可选择性取代的环烷基,环烯基,C1-C6烷基,C1-C6烯基或C1-C6炔基;或者是羧基,羧酰胺或羧酸酯基团;环A是非芳香性碳环或杂环,其中(i)环碳原子可选择性取代,和/或(ii)环氮原子可选择性地被式-(Alk1)p(Cyc)n-(Alk3)m-(Z)r-(Alk2)sQ的基团取代,其中Alk1,Alk2和Alk3是可选择性取代的C1-C3烷基,Cyc是可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—O—,—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是氢或可选择性取代的碳环或杂环基团。