Patent ID: 6235768
Filing Date: 2001-05-22
Classification: A61P,C07C,C07D

Abstract:
A compound of the formula I: ##STR627##wherein R.sup.1 is optionally substituted lower alkyl, optionally substituted aryl optionally substituted aralkyl, optionally substituted heteroaryl, or optionally substituted heteroarylalkyl;R.sup.2 is a hydrogen atom, optionally substituted lower alkyl, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, or optionally substituted heteroarylalkyl;R.sup.3 is a bond;R.sup.4 is a bond;R.sup.5 is optionally substituted benzothienyl;Y is --NHOH or --OH;provided R.sup.2 is a hydrogen atom when Y is --NHOH;an optically active isomer thereof, a pharmaceutically acceptable salt thereof, or a hydrate thereof.