Patent ID: 6080772
Filing Date: 2000-06-27
Classification: C07D

Abstract:
A compound of the formula: ##STR10## or a pharmaceutically acceptable salt thereof, wherein R.sub.1, R.sub.2 and R.sub.4 are each independently hydrogen, halogen, cyano, nitro, amino, amido, carboxy, acylamino, sulfonyl, hydroxy, C.sub.1 -C.sub.20 alkyl, substituted alkyl, alkoxy, substituted alkoxy, cycloalkyl, substituted cycloalkyl, substituted aryl, arylalkyl, aryloxy, a five or six membered heterocyclic ring containing 1 to 3 hetero atoms which are either sulfur, nitrogen or oxygen, which heterocyclic ring may be substituted or unsubstituted; or R.sub.1 and R.sub.2 form a substituted or unsubstituted five or six membered ring which may be aromatic or heteroaromatic;X is NR.sub.5 ; andR.sub.3 and R.sub.5 are each independently hydrogen, C.sub.1 -C.sub.20 alkyl, substituted alkyl, alkoxy, substituted alkoxy, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, arylalkyl, or substituted arylalkyl.