申请人:——
公开号:US20030092703A1
公开(公告)日:2003-05-15
This invention provides compounds of formula I:
1
wherein Z is oxygen or sulfur; R
1
is hydrogen, —CHN
2
, R, CH
2
OR, CH
2
SR, or —CH
2
Y;
next to R
3
represents a single or double bond; Y is an electronegative leaving group; R
2
is CO
2
H, CH
2
CO
2
H, or esters, amides or isosteres thereof; R
3
is a group capable of fitting into the S2 subsite of a caspase enzyme; R
4
is a hydrogen or C
1-6
alkyl or R
3
and R
4
taken together form a ring; Ring A and Ring B are each heterocyclic rings, and R and R
5
are as described in the specification. The compounds are effective inhibitors of apoptosis and IL-1&bgr; secretion.
这项发明提供了化合物I的公式:其中Z为氧或硫;R1为氢,—CHN2,R,CH2OR,CH2SR或—CH2Y;R3旁表示单键或双键;Y为一个电负离开基团;R2为CO2H,CH2CO2H或其酯、酰胺或同分异构体;R3为能够适应caspase酶的S2亚位点的基团;R4为氢或C1-6烷基或R3和R4一起形成一个环;环A和环B分别为杂环,R和R5如规范中所述。这些化合物是有效的凋亡和IL-1β分泌抑制剂。