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;).
化合物式(I)中,R1是卤素,低烷氧基,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为酰胺化的羧基,R3为氢或酰基,Ar为芳基或杂环基,X为
硫代、亚砜基或磺酰基,Y和Z均为低碳基,m和n均为0至2的整数,以及其盐,用作基质
金属
蛋白酶(MMP)或肿瘤坏死因子α(TNFα)的生产
抑制剂。