申请人:——
公开号:US20020045623A1
公开(公告)日:2002-04-18
This invention provides novel caspase inhibitors of formula I:
1
wherein R
1
is hydrogen, CHN
2
, R, or —CH
2
Y; R is an aliphatic group, an aryl group, an aralkyl group, a heterocyclyl group, or a heterocyclylalkyl group; Y is an electronegative leaving group; R
2
is CO
2
H, CH
2
CO
2
H, or esters, amides or isosteres thereof; X
2
—X
1
is N(R
3
)—C(R
3
), C(R
3
)
2
—C(R
3
), C(R
3
)
2
—N, N═C, C(R
3
)═C, C(═O)—N, or C(═O)—C(R
3
); each R
3
is independently selected from hydrogen or C
16
aliphatic; Ring C is a fused aryl ring; n is
0, 1
or
2;
and each methylene carbon in Ring A is optionally and independently substituted by ═O, or one or more halogen, C
1-4
alkyl, or C
1-4
alkoxy. The compounds are useful for treating caspase-mediated diseases.
本发明提供了新型的caspase抑制剂,其化学式为I:1,其中R1为氢、CHN2、R或—CH2Y;R为脂肪基、芳基、芳基烷基、杂环基或杂环基烷基;Y为电负性离去基;R2为CO2H、CH2CO2H或其酯、酰胺或同分异构体;X2—X1为N(R3)—C(R3)、C(R3)2—C(R3)、C(R3)2—N、N═C、C(R3)═C、C(═O)—N或C(═O)—C(R3);每个R3独立选择自氢或C16脂肪基;环C为融合的芳基环;n为0、1或2;环A中的每个亚甲基碳原子可以选择性地且独立地被═O或一个或多个卤素、C1-4烷基或C1-4烷氧基取代。这些化合物对于治疗caspase介导的疾病是有用的。