Combretastatin A-4 analogues with benzoxazolone scaffold: Synthesis, structure and biological activity
作者:Mariana S. Gerova、Silviya R. Stateva、Elena M. Radonova、Rositsa B. Kalenderska、Rusi I. Rusew、Rositsa P. Nikolova、Christo D. Chanev、Boris L. Shivachev、Margarita D. Apostolova、Ognyan I. Petrov
DOI:10.1016/j.ejmech.2016.05.012
日期:2016.9
analysis confirmed that 16Z induced cell cycle arrest in G2/M phase in the cell lines like combretastatin A-4. This arrest is followed by an abnormal exit of cells from mitosis without cytokinesis into a pseudo G1-like multinucleate state leading to late apoptosis and cell death. Accordingly, synthetic analogue 16Z was identified as the most promising potential anticancer agent in present study, and
为了设计和合成一类新的天然康普他汀A-4杂环类似物及其合成衍生物AVE8062,选择了苯并恶唑酮环作为两个分子的B环生物立体替代的骨架。在Boden的条件下,通过改良的Wittig反应获得了28个顺式和反式-苯乙烯基苯并恶唑酮的文库。确定了在苯并恶唑酮核的4、5、6或7位上带有3,4,5-三甲氧基-,3,4-二甲氧基-,3,5-二甲氧基-和4-甲氧基苯乙烯基片段的新合成的化合物的结构根据光谱和X射线数据。在体外进行了检查针对不同的细胞系styrylbenzoxazolones的细胞毒性。二苯乙烯衍生物16 Z,(Z)-3-甲基-6-(3,4,5-三甲氧基苯乙烯基)-2(3 H)-苯并恶唑酮显示了该系列中最高的抗增殖潜力,对康普他汀耐药细胞株HT-的IC 50为0.25μM。 29,针对HepG2的0.19μM,针对EA.hy926的0.28μM和针对K562细胞的0.73μM。此外,流式细胞仪分析的结果证实了16