Patent ID: 6346621
Filing Date: 2002-02-12
Classification: C07D

Abstract:
A nitrogen-heterocyclic compound represented by the Formula (I): where R1 and R2 are independently hydrogen, an alkyl group, an aryl group selected from the group consisting of phenyl, 4-tolyl, 4-trifluoromethylphenyl, and 4-methoxyphenyl, or a heteroaryl group selected from the group consisting of 4-pyridyl, 3-pyridyl, 2-pyridyl, 2-furyl, and 2-thienyl; R3 is hydrogen or an aryl group selected from the group consisting of phenyl, 4-tolyl, 4-trifluoromethylphenyl, 4-methoxyphenyl, and 4-biphenyl; R4 is a substituted amino group selected from the group consisting of 1-piperazinyl, 4-methyl-1-piperazinyl, 3-methyl-1-piperazinyl, 1-homopiperazinyl, N-phenyl-N-methylamino, diphenylamino, di(p-tolyl)amino, N-(1-naphthyl)-N-phenylamino, N-(2-naphthyl)-N-phenylamino, N-(2-fluorenyl)-N-phenylamino, 1-pyrrolyl, 1-indolyl, and 9-carbazolyl, an alkoxy group, a nitro group, or halogen; m is an integer from 1 to 2; and n is 0 or 1.