The manufacture and use of compounds of the formula ##STR1## wherein Y is O or S, R.sub.1 is hydrogen or alkyl, and R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are hydrogen or various substituent groups, and pharmaceutically acceptable acid addition salts thereof. The compounds have activity as inhibitors of the IL-I or other agonist-induced proteoglycan degradation in bovine nasal cartilage and pharmaceutical compositions containing such compounds are described to treat conditions advantageously affected by such inhibition including arthritis.
该化合物的制造和使用的公式为##STR1##,其中Y为O或S,R.sub.1为氢或烷基,R.sub.2、R.sub.3、R.sub.4和R.sub.5为氢或各种取代基团,以及其药学可接受的酸盐。这些化合物具有作为IL-I或其他激动剂诱导的蛋白聚糖降解
抑制剂的活性,描述了含有这些化合物的药物组合物,用于治疗通过这种抑制受益的疾病,包括关节炎。