Use of quinoxaline and protease inhibitors in a composition for the treatment of AIDS and/or HIV infections

摘要

Medicaments comprising, in combination, (a) one or more protease inhibitors and (b) one or more cpds. of formula (I) (or their tautomers of formula (Ia)) are new: n = 0-4; R1 = F, Cl, Br, I, CF3, CF3O, OH, 1-8C alkyl, Cya, TO, TO-R1O, TS, TSO, TSO2, NO2, NH2, N3, NHT, NT2, piperidino, morpholino, 1-pyrrolidinyl, 4-methylpiperazinyl, thiomorpholino, imidazolyl, triazolyl, tetrazolyl, Ac, AcO, AcNH, CN, CONH2, COOH, TOCO, HOSO2 or SO2NH2; or Ph, PhO, PhOCO, PhS, PhSO, PhSO2, PhOSO2, PhSO2O, anilinosulphonyl, PhSO2NH, PhCO, 2-, 3- or 4-pyridyl (all opt. substd. by 5 R6); T = 1-6C alkyl; Cya = 5-8C cycloalkyl; R1 = 1-4C alkylene; R6 = F, Cl, Br, I, CN, CF3, CF3O, NO2, NH2, N3, T, Cy, TO, TS, TSO, TSO2, TNH, T2N, TOCO, Ph, PhO or 2-, 3- or 4-pyridyl; R2,R5 = H, OH, TO, ArO, AcO, CN, NH2, TNH, T2N, ArNH or AcNH; 1-8C alkyl, 2-8C alkenyl, 3-8C alkynyl, Cy, Cy', Cy-R1, Cy'-R1 or TCO (all opt. substd. by F, Cl, Br, I, CN, NH2, SH, OH, AcO, PhCOO, PhCH2O, PhO, TO, TNH, T2N, TS, TSO2, PhSO2, oxo, thioxo, carboxy or carbamoyl); 3-8C alkenyl, 2-8C alkenylcarbonyl, CyCO, Cy''CO, Cy-(1-3C alkyl)carbonyl, 5-6C cycloalkenyl- (1-3C alkyl)carbonyl, 1-8C alkenyloxycarbonyl, 2-8C alkynyloxycarbonyl, 1-8C alkylthiocarbonyl, 2-8C alkenylthiocarbonyl, 1-8C alkylaminocarbonyl, di(1-8C alkyl)aminocarbonyl, TSO2, 2-6C alkenylsulphonyl, 2-8C alkenylaminocarbonyl or di((2-6C)alkenyl)- aminocarbonyl (all opt. substd. by F, Cl, OH, RO, oxo or phenyl); 1-8C alkoxycarbonyl (opt. substd. by F, Cl, Br, OH, RO, RNH, (R)2N or RS); pyrrolidin-1-yl, morpholino-, piperidino-, piperazinyl- or 4-methylpiperazin-1-yl-carbonyl (all opt. substd. by R, 2-6C alkenyl, 1-4C acyl, oxo, thioxo, carboxy or phenyl); Ar, ArCO, ArCS, ArS-CO, ArS-CS, ArOCO, ArSO2, ArNHCO, ArNHCS, aryl(1-5C)alkylaminocarbonyl, Ar', arylalkenyl, arylalkynyl, Ar'CO, arylalkenylcarbonyl, Ar'OCO or Ar'SCO (all opt. substd. by 1-5 R6); or Het, Het', Het-alkenyl, Het'CO, Het-alkenylcarbonyl, HetOCO, HetSCO, HetNHCO, Het'OCO, Het'SCO or Het'NHCO (all opt. substd. by 1-3 R6); Ar = aryl; Ar' = aryl(1-5C)alkyl; Het = heteroaryl; Het' = heteroaryl(1-3C)alkyl; R = 1-4C alkyl; Ac' = 1-6C acyl; Ph = phenyl; Cy = 3-8C cycloalkyl; Cy' = 3-8C cycloalkenyl; Cy'' = 5-8C cycloalkenyl; R3, R4 = H; 1-8C alkyl, 2-8C alkenyl, Cy or Cy' (all opt. substd. by F, Cl, OH, NH2, SH, Ac'O, PhCOO, PhCH2O, PhO, RO, RNH, (R)2N, RS, RSO2, RSO, COOH or CONH2); Ar, aryl(1-3C)alkyl, Het or Het' (all opt. substd. by 5 R6); or R3+R4 or R3+R5 can be part of an unsatd. or satd. carbo- or heterocyclic ring of 3-8 atoms, which is opt. substd. by F, Cl, OH, NH2, T, 2-6C alkenyl, TO, 2-6C alkynyl, 1-6C acyloxy, benzoyloxy, oxo, thioxo, COOH, CONH2 or Ph); Ac' = 1-4C acyl; X = O, S, Se or NR2; with the exception of cpds. in which (a) R3 and R4 are both H, (b) R2 and R5 are H and R3 and R4 are arylalkyl, and (c) X is O and R2 and R3 are H.