Patent ID: 6884868
Filing Date: 2005-04-26
Classification: A61K,A61P,C07K

Abstract:
1. A polypeptide compound of the following general formula (I): wherein R R lower alkoxycarbonyl which may have one or more suitable substituent(s) selected from the group consisting of lower alkanoyloxy and heterocyclic group; lower alkenyloxycarbonyl; ar(lower)alkoxycarbonyl; lower alkanoyl which may have one or more suitable substituent(s) selected from the group consisting of amino, hydroxy and heterocyclic group; heterocycliccarbonyl; mono or di(lower)alkylcarbamoyl; sulfonic acid group; heterocyclic group which may have one or more suitable substituent(s) selected from the group consisting of lower alkyl, hydroxy(lower)alkyl, carboxy(lower)alkanoyl which may have amino, heterocycliccarbonyl, cyclo(lower)alkyl, and oxo; lower alkylidene which may have mono or di lower alkylamino; carboxy(higher)alkyl or cyano, R R R or a salt thereof.