Patent ID: 7153854
Filing Date: 2006-12-26
Classification: A61P,C07D

Abstract:
1. A compound of the formula I or a pharmaceutically acceptable salt thereof, or a prodrug thereof: wherein R R R (1) a hydrogen, (2) a substituted aryl or an unsubstituted aryl, (3) a substituted heterocyclic group or an unsubstituted heterocyclic group, (4) a carboxy, a protected carboxy or CONR (5) an acyl or a halocarbonyl, (6) a cyano, (7) an amino, a protected amino, a or mono- or di(lower)alkylamino, (8) a hydroxy, an aryloxy, an acyloxy or a lower alkyl optionally substituted by a hydroxy or an acyloxy, (9) a lower alkylthio, a lower alkylsulfinyl or a lower alkylsulfonyl, or (10) —O—R R R R or alternatively R R