Pyrrolidine derivatives and their use as chymase inhibitor
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United States of America Patent
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Feb 8, 2005
Grant Date -
May 27, 2004
app pub date -
Feb 28, 2003
filing date -
Aug 30, 2000
priority date (Note) -
Expired
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Abstract
Novel pyrrolidine derivatives, being useful as chymase inhibitor or intermediate for synthesis of the active compounds, which has the formula (I): wherein R.sup.1 is cycloalkyl, substituted or unsubstituted phenyl or naphthyl, indanyl, thienyl, furyl, substituted or unsubstituted indolyl, benzofuryl, substituted or unsubstituted benzothienyl, etc.; R.sup.2 is H, alkyl, phenyl-lower alkyl, cycloalkyl or cycloalkyl-lower alkyl; R.sup.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.sup.4 and R.sup.5 are independently H or OH, but R.sup.4 and R.sup.5 are not simultaneously H, or both form oxo; n is 0, 1, 2 or 3; or a salt thereof. ##STR1##
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