ANTIVIRAL 2,4-PYRIMIDINEDIONE DERIVATIVES AND PROCESS FOR THE PREPARATION THEREOF

摘要

2,4-pyrimidinedione derivatives of formula (I) having high antiviral activity against wild-type and mutant HIV-1 and low toxicity are useful for treating AIDS (I) wherein: R<1 >is a C6-10 aryl or C3-10 heteroaryl group optionally having one or more substituents selected from the group consisting of halogen, C1-6 alkyl, C1-6 alkyl substituted with one or more halogen atoms, C3-4 cycloalkyl, cyano, nitro, hydroxy, thiohydroxy, azido, C1-6 alkoxy, oximino, C1-3 alkyloximino, O-(C1-6 alkyl)-substituted oximino, C-1-6 alkylcarbonyl, C3-6 cycloalkylcarbonyl, hydroxymethyl, azidomethlyl, C1-6 alkoxymethyl, C1-6 acyloxynethyl, carbamoyloxymethyl, anminomethyl, N-(C1-3 alkyl)aminomethyl, N,N-di(C1-3 alkyl)aminomethyl, carboxy, C1-6 alkoxycarbonyl, aziridine, amino, hydroxyethylamino, cyclopropylamino, C1-6 alkylamino, di(C1-6 alkyl)amino, trifluoroacetamido, C1-6 acylamido, carbamoyl, hydroxyethylcarbamoyl, cyclopropylcarbamoyl, C1-6 alkylcarbamoyl, di(C1-6 alkyl)carbamoyl, aminocarbamoyl, dimethylaminocarbamoyl, hydrazino, 1,1-dimethylhydrazino, imidazolyl, triazolyl and tetrazolyl; a tetrahydropyridyl or piperidyl group optionally substituted with a C1-6 alkyl or C1-6 alkoxycarbonyl group; a tetrahydropyranyl group; or a tetrahydrofuryl group; R<2 >is hydrogen, halogen, nitro, cyano, C1-3 alkoxycarbonyl, C1-3 alkylamino, di(C1-3 alkyl)amino, C1-3 alkylcarbamol, di(C1-3 alkyl)carbamoyl, C1-3 alkyl, C3-6 cycloalkyl or benzyl; R<3 >and R<4 >are each independently hydrogen, halogen, hydroxy, cyano, nitro, amino acetamido, trifluoroacetamido, azido, C1-3 alkyl, C-1-3 alkyl substituted with one or more halogen atoms, C1-3 alkoxycarbonyl, carbamoyl C1-3 alkylcarbamoyl, di(C1-3 alkyl) carbamoyl or C-1-3 alkoxy; A is O or S; and Z is O, S, C=O, NH or CH2.