Reverse hydroxamic acid derivatives having specific structure represented by a general formula (Ia):
1
(wherein A is a hydrogen atom or the like; Ar
1
is an arylene or the like; Ar
2
is an optionally substituted aryl, a heteroaryl or the like; R
1
is a hydrogen atom, an alkyl or the like; R
2a
is a substituted cycloaryl, a heterocycloaryl or the like) and a general formula (I):
2
(wherein A, Ar
1
, Ar
2
, and R
1
are the same as defined above and R
2
is an hydrogen atom, R
2a
or the like) and salts thereof, which have TNF-&agr; converting enzyme (TACE) inhibitory activity.
具有特定结构的反式
羟胺酸衍
生物,通式(Ia)表示如下:1(其中A是
氢原子或类似物;Ar1是
芳烃或类似物;Ar2是可选取代的芳基、杂环芳基或类似物;R1是
氢原子、烷基或类似物;R2a是取代的
环烷基、杂环
环烷基或类似物),以及通式(I)2(其中A、Ar1、Ar2和R1的定义与上述相同,而R2是
氢原子、R2a或类似物),以及其盐,具有TNF-α
转化酶(
TACE)抑制活性。