The present invention provides a novel thiol derivative [I] which has an excellent matrix metalloprotease inhibiting activity and is useful as a pharmaceutical composition, particularly a therapeutic agent or prophylactic agent for osteoarthritis and rheumatoid arthritis and a salt thereof, the thiol derivative being a compound represented by the formula [I]:
wherein ring A represents an optionally substituted aromatic heterocyclic ring; ring B represents an optionally substituted homocyclic or heterocyclic ring;
R
1
represents a hydrogen atom, an optionally substituted hydrocarbon group, an acyl group, an optionally substituted heterocyclic group or SR
2
(wherein R
2
represents a hydrogen atom, an optionally substituted hydrocarbon group, an acyl group or an optionally substituted heterocyclic group);
X represents an optionally substituted divalent C
1-3
aliphatic hydrocarbon group;
Y represents an optionally substituted hydrocarbon group, a halogen atom, a carboxy group, an acyl group, an optionally substituted hydroxy group, an optionally substituted amino group, SR
3
(wherein R
3
represents a hydrogen atom, an optionally substituted hydrocarbon group, an acyl group or an optionally substituted heterocyclic group), an oxo group, a thioxo group, an optionally substituted imino group, a nitro group or a cyano group; and q represents an integer of 0 to 5.
本发明提供了一种新型
硫醇衍
生物[I],它具有优异的基质
金属
蛋白酶抑制活性,可用作药物组合物,特别是骨关节炎和类风湿性关节炎的治疗剂或预防剂及其盐,该
硫醇衍
生物是由式[I]表示的化合物:
其中环 A 代表任选取代的芳香杂环;环 B 代表任选取代的同环或杂环;
R
1
代表氢原子、任选取代的烃基、酰基、任选取代的杂环基团或 SR
2
(其中 R
2
代表氢原子、任选取代的烃基、酰基或任选取代的杂环基);
X 代表任选取代的二价 C
1-3
脂族烃基;
Y 代表任选取代的烃基、卤素原子、羧基、酰基、任选取代的羟基、任选取代的
氨基、 SR
3
(其中 R
3
代表氢原子、任选取代的烃基、酰基或任选取代的杂环基)、氧代基团、
硫代基团、任选取代的亚
氨基基团、硝基或
氰基;以及 q 代表 0 至 5 的整数。