Synthesis, spectroscopic characterization, stability assessment and DNA-binding of new 2,6-piperidinedione derivatives
作者:Laila Abou-Zeid、Abdalla M El-Mowafy、Mohammed M El-Kerdawy、Huda Hamza、Mohammed E Abdel-Hamid
DOI:10.1016/s0014-827x(01)01131-4
日期:2001.9
work reports on structural characterization of new antineoplaston (ANP) representatives, namely 3-(benzoylamino)-2,6-piperidinedione (BPD), 3-(4-methoxybenzoylamino)-2,6-piperidinedione (MPD) and 3-(p-nitrobenzoylamino)-2,6-piperidinedione (NPD). These compounds were prepared by reacting N-(4-substituted benzoyl)-glutamines with N-hydroxysuccinimide to afford the corresponding esters, which were heated
这项工作报告了新的抗肿瘤药(ANP)代表的结构表征,即3-(苯甲酰氨基)-2,6-哌啶二酮(BPD),3-(4-甲氧基苯甲酰氨基)-2,6-哌啶二酮(MPD)和3-(对硝基苯甲酰氨基)-2,6-哌啶二酮(NPD)。通过使N-(4-取代的苯甲酰基)-谷氨酰胺与N-羟基琥珀酰亚胺反应得到相应的酯,将它们加热以产生相应的2,6-哌啶二酮(PD)化合物,从而制备这些化合物。1H NMR和NIR分析等无损分析程序证实了这些PD化合物的假定化学结构。环境温度下或在30、40或60摄氏度下预热的溶液中的HPLC色谱图仅显示每种化合物的单个峰。将热量与pH值修改结合使用对获得的峰几乎没有影响,因此证明了这些化合物的稳定性和纯度。MS分析显示分别表示m / z的BPD,MPD和NPD的分子量离子为233.4、263.2和278.3。使用MS / MS分析的碎片图谱符合所制备化合物的结构和分子式。此外,初步的