Optically Active Antifungal Azoles. XIII. Synthesis of Stereoisomers and Metabolites of 1-[(1R,2R)-2-(2,4-Difluorophenyl)-2-hydroxy-1-methyl-3-(1H-1,2,4-triazol-1-yl)propyl]-3-[4-(1H-1-tetrazolyl)phenyl]-2-imidazolidinone (TAK-456).
作者:Takashi ICHIKAWA、Masami YAMADA、Masashi YAMAGUCHI、Tomoyuki KITAZAKI、Yoshihiro MATSUSHITA、Keiko HIGASHIKAWA、Katsumi ITOH
DOI:10.1248/cpb.49.1110
日期:——
1-[(1R,2R)-2-(2,4-Difluorophenyl)-2-hydroxy-1-methyl-3-(1H-1,2,4-triazol-1-yl)propyl]-3-[4-(1H-1-tetrazolyl)phenyl]-2-imidazolidinone [(1R,2R)-1: TAK-456] is a new antifungal agent selected as a candidate for clinical trials. The three stereoisomers [(1S,2R)-, (1S,2S)- and (1R,2S)-1] of this compound were prepared as authentic samples to determine the enantiomeric and diastereomeric purity of TAK-456
1-[((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] -3- [ 4-(1H-1-四唑基)苯基] -2-咪唑啉酮[(1R,2R)-1:TAK-456]是一种新的抗真菌药,被选作临床试验的候选药物。将该化合物的三种立体异构体[(1S,2R)-,(1S,2S)-和(1R,2S)-1]制备为真实样品,以确定TAK-456的对映体和非对映体纯度,并进行比较它们的体外抗真菌活性。使用大鼠进行的TAK-456的药代动力学研究确定了肝匀浆中存在代谢产物。根据HPLC和LC / MS / MS分析,将主要代谢物的结构指定为4-羟基-2-咪唑啉酮(3)和/或5-羟基-2-咪唑啉酮(4)。这些羟基化的化合物3和4是通过还原相应的咪唑烷二酮11和12制备的 并且通过HPLC确认与代谢物相同。三种立体异构体和合成代谢物的体外抗真菌活性均比TAK-456弱得多。