Patent ID: 6143737
Filing Date: 2000-11-07
Classification: C07J

Abstract:
A compound of Formula I: ##STR3## or a pharmaceutically acceptable salt thereof; whereinX is a bond, or is one of --C(O)--, --C(O)NH-- or --C(O)NHSO.sub.2 --;R.sup.1 is one of hydrogen, alkyl, alkenyl, alkynyl, haloalkyl, dihaloalkyl, optionally substituted aralkynyl, alkoxyalkyl, aminoalkyl, cyanoalkyl, thiocyanoalkyl, azidoalkyl, optionally substituted arylalkyl, optionally substituted arylalkenyl or optionally substituted aryl; andR.sup.2 is one of hydrogen, halogen, hydroxy, alkoxy, alkoxycarbonyl, alkoxymethyl, acyloxymethyl, hydroxymethyl or --OR.sup.3, where R.sup.3 is one of alkanoyl, a hemisuccinoyl group or benzoyl.