Optically Active Antifungal Azoles. VI. Synthesis and Antifungal Activity of N-((1R,2R)-2-(2,4-Difluorophenyl)-2-hydroxy-1-methyl-3-(1H-1,2,4-triazol-1-yl)propyl)-N'-(4-substituted phenyl)-3(2H,4H)-1,2,4-triazolones and 5(1H,4H)-tetrazolones.
作者:Tomoyuki KITAZAKI、Norikazu TAMURA、Akihiro TASAKA、Yoshihiro MATSUSHITA、Ryogo HAYASHI、Kenji OKONOGI、Katsumi ITOH
DOI:10.1248/cpb.44.314
日期:——
A new series of optically active antifungal azoles, N-[(1R, 2R)-2-(2, 4-difluorophenyl)-2-hydroxy-1-methyl-3-(1H-1, 2, 4-triazol-1-yl)propyl]-N'-(4-substituted phenyl)-3(2H, 4H)-1, 2, 4-triazolones (1, 2) and 5(1H, 4H)-tetrazolones (3), were prepared from the triflate derivative of (1S)-1-[(2R)-2-(2, 4-difluorophenyl)-2-oxiranyl]ethanol (13) by an SN2 displacement reaction with the anion of an azolone (17-19) and subsequent ring-opening reaction with 1H-1, 2, 4-triazole. The optically active oxiranylethanol 13 was synthesized from methyl (R)-lactate in a stereo-controlled manner. The azolones 1-3 prepared showed potent antifungal activities in vitro and in vivo.
通过(1S)-1-[(2R)-2-(2,4-二氟苯基)-2-环氧乙烷基]乙醇的三氟甲磺酸酯衍生物与一种吖唑酮阴离子经SN2取代反应及随后与1H-1,2,4-三氮唑的开环反应制备了一系列具有光学活性的新型抗真菌唑类化合物,N-[(1R,2R)-2-(2,4-二氟苯基)-2-羟基-1-甲基-3-(1H-1,2,4-三唑-1-基)丙基]-N'-(4-取代苯基)-3(2H,4H)-1,2,4-三唑酮(1,2)和5(1H,4H)-四唑酮(3)。手性环氧乙烷乙醇13是以立体控制方式由甲基(R)-乳酸制得。所制得的吖唑酮1-3在体外及体内均展现出强大的抗真菌活性。