A compound of formula (I) in which R
1
is halo, lower alkoxy, optionally substituted aryl, optionally substituted aryloxy, optionally substituted heterecyclic group or optionally substituted lower alkynyl, R
2
is amidated carboxy, R
3
is hydrogen or acyl, Ar is aryl or heterocyclic group, X is thia, sulfinyl or sulfonyl, Y and Z are each lower alkylene, m and n are each an integer of 0 to 2, and a salt thereof, useful as inhibitors of matrix metalloproteinases (MMP) or the production of tumor necrosis factor &agr; (TNF &agr;).
式(I)的化合物,其中R1是卤素、低
碳氧基、可选取代芳基、可选取代芳
氧基、可选取代杂环基或可选取代低炔基,R2是
酰胺化羧基,R3是
氢或酰基,Ar是芳基或杂环基,X是
硫代、
亚砜基或磺酰基,Y和Z是各自的低
碳链基,m和n分别是0到2的整数,以及其盐,用作基质
金属
蛋白酶(
MMP)
抑制剂或肿瘤坏死因子α(TNFα)的产生。