Novel pyrrolidine derivatives, being useful as chymase inhibitor or intermediate for synthesis of the active compounds, which has the formula (I): wherein R
1
is cycloalkyl, substituted or unsubstituted phenyl or naphthyl, indanyl, thienyl, furyl, substituted or unsubstituted indolyl, benzofuryl, substituted or unsubstituted benzothienyl, etc.; R
2
is H, alkyl, phenyl-lower alkyl, cycloalkyl or cycloalkyl-lower alkyl; R
3
is (i) substituted or unsubstituted monocyclic heterocyclic group, (ii) substituted or unsubstituted, benzene- or pyridine-fused heterocyclic group, or (iii) a group (a): R
4
and R
5
are independently H or OH, but R
4
and R
5
are not simultaneously H, or both form oxo; n is 0, 1, 2 or 3; or a salt thereof.
1
新型
吡咯烷衍
生物,可用作针对钳酶的
抑制剂或合成活性化合物的中间体,其
化学式为(I):其中R1为环烷基,取代或未取代的苯基或
萘基,
吲哚基,
噻吩基,
呋喃基,取代或未取代的
吲哚基,
苯并呋喃基,取代或未取代的
苯并噻吩基等;R2为H,烷基,苯基-低碳基,环烷基或环烷基-低碳基;R3为(i)取代或未取代的单环杂环基,(ii)取代或未取代的苯并或
吡啶融合的杂环基,或(iii)一组(a):R4和R5独立地为H或OH,但R4和R5不同时为H,或两者形成氧化物;n为0、1、2或3;或其盐。