Triguanide Derivatives: Synthesis, Crystal Structure and Evaluation of the Proliferation Effect on Some Tumor Cell Lines
作者:Vjekoslav Štrukil、Zoran Glasovac、Ivica Đilović、Dubravka Matković-Čalogović、Lidija Šuman、Marijeta Kralj、Mirjana Eckert-Maksić
DOI:10.1002/ejoc.201200979
日期:2012.12
the products observed is proposed. The structures of 1a–d were elucidated by spectroscopic analyses of their acetate salts. The structure of compound 1e was also confirmed by X-ray crystallography using its sulfate salt. The X-ray structure provided strong evidence of extensive electron delocalization within the triguanide core despite its non-planar structure. In addition, the effect of tautomerism
描述了从相应的单取代胍衍生物和二异丙基碳二亚胺开始的新五取代三胍 1a-e 的一锅合成,并提出了观察到的产物的形成机制。通过对其乙酸盐的光谱分析阐明了 1a-d 的结构。化合物 1e 的结构也通过 X 射线晶体学使用其硫酸盐得到证实。尽管其非平面结构,但 X 射线结构提供了三胍核内广泛电子离域的有力证据。此外,还详细讨论了互变异构对反应过程的影响,重点是导致副产物的可能反应路径。最后,在体外评估了新制备的化合物的醋酸盐对五种癌细胞系的抗增殖作用。发现 1a-c 的醋酸盐表现出很强的细胞抑制和细胞毒活性,其中对苄基衍生物 1c 的醋酸盐观察到的效果最强。