A number of novel ansa-spiro-ansa (asa) cyclotetraphosphazenes (1a–5b) was prepared in the range of 63–90 % yields. The structures of the compounds were verified by MS, FTIR, 1H, 13C1H} and 31P1H} NMR, heteronuclear single quantum coherence (HSQC), and heteronuclear multiple-bond correlation (HMBC) techniques. The crystal structures of 1b, 2c and 5a were determined by X-ray crystallography. The compound
制备了许多新颖的ansa-spiro-ansa(asa)环四
磷腈(1a - 5b),产率为63-90%。通过MS,FTIR,1 H,13 C 1 H}和31 P 1 H} NMR,异核单量子相干(HSQC)和异核多键相关(HMBC)技术验证了化合物的结构。通过X射线晶体学确定1b,2c和5a的晶体结构。化合物2c中通过在改变分析31 p 1除了手性溶剂之外,还具有1 H NMR谱。(R)-(+)-2,2,2-三
氟-1-(9'-
蒽基)-
乙醇(CSA),以研究其立体感。结果支持发现化合物2c存在于外消旋混合物中。单
二茂铁基-螺-芳基-环四
磷腈的循环伏安和计时安培数据显示了Fe氧化还原中心的电
化学可逆单电子氧化。评价了单
二茂铁基-螺旋-asa化合物(3a – 5b)对参考菌株结核分枝杆菌H37Rv和结核分枝杆菌的抗结核活性。对
利福平和异烟
肼有抗药性的临床菌株。这些化合物似乎不是用作临