Patent ID: 6197826
Filing Date: 2001-03-06
Classification: A61P,C07C

Abstract:
A compound of formula I: ##STR6##whereinR.sup.1 is selected from the group consisting of alkyl, alkenyl, alkoxy, acylamino, amino, substituted amino, aryl, cycloalkyl, halogen, nitro and --C.dbd.N(O)--R.sup.5, wherein R.sup.5 is alkyl, substituted alkyl or cycloalkyl;R.sup.2 is selected from the group consisting of hydrogen, alkyl, alkenyl, alkoxy, acylamino, amino, substituted amino, aryl, cycloalkyl, halogen and nitro; or R.sup.1 and R.sup.2 can be joined together to form an alkylenedioxy group;R.sup.3 is selected from the group consisting of hydrogen, alkyl and aryl; andR.sup.4 is selected from the group consisting of alkyl, substituted alkyl and cycloalkyl; and pharmaceutically acceptable salts thereof.