PROPHYLACTIC OR THERAPEUTIC AGENT FOR PULMONARY FIBROSIS
申请人:Hattori Noboru
公开号:US20120059020A1
公开(公告)日:2012-03-08
Disclosed is a compound which has an inhibitory activity on plasminogen activator inhibitor-1 (PAI-1) and has a propanedioic acid structure represented by formula (1) [wherein R
1
and R
2
independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 4 carbon atoms; R
3
represents a cyclohexyl group or a phenyl group (provide that the phenyl group may be substituted by a substituent selected from a linear or branched alkyl group having 1 to 4 carbon atoms, a linear or branched alkoxy group having 1 to 4 carbon atoms, and a halogen atom); R
4
represents a linear or branched alkyl group having 1 to 6 carbon atoms or a phenyl group (provide that the phenyl group may be substituted by a substituent selected from a linear or branched alkyl group having 1 to 4 carbon atoms, a linear or branched alkoxy group having 1 to 4 carbon atoms, and a halogen atom); and n represents an integer of 1 to 8]. The compound is useful as a prophylactic or therapeutic agent for pulmonary fibrosis.