Synthesis and antiproliferative activity of new derivatives containing the polycyclic system 5,7:7,13-dimethanopyrazolo[3,4-b]pyrazolo[3′,4′:2,3]azepino[4,5-f]azocine
作者:Benedetta Maggio、Demetrio Raffa、Maria Valeria Raimondi、Maria Grazia Cusimano、Fabiana Plescia、Stella Cascioferro、Gabriella Cancemi、Marianna Lauricella、Daniela Carlisi、Giuseppe Daidone
DOI:10.1016/j.ejmech.2013.11.016
日期:2014.1
The reaction under reflux between 1-phenyl-3-R-5-methylaminopyrazoles and 2,5-hexanedione lead to 5,7:7,13-dimethanopyrazolo[3,4-b]pyrazolo[3′,4′:2,3]azepino[4,5-f]azocine derivatives 3b–g. These unusual molecules show the structural complexity of many biologically active natural products and are endowed with the chemical diversity that is required in drug discovery. The compounds 3b,e were reduced
1-苯基-3-R-5-甲基氨基吡唑与2,5-己二酮在回流下的反应导致5,7:7,13-二甲基吡唑并[ 3,4- b ]吡唑并[3',4':2, 3] azepino [4,5- f ]偶氮碱衍生物3b - g。这些不寻常的分子显示出许多具有生物活性的天然产物的结构复杂性,并赋予了药物发现所需的化学多样性。化合物3b,e在活性炭上钯存在下被氢还原,得到二氢衍生物5b,e。化合物3b – f和5b,eNCI筛选了它们,以评估它们对来自9种临床分离的癌症类型(白血病,肺癌,肺癌,结肠癌,黑色素瘤,肾癌,卵巢癌,脑癌,乳腺癌和前列腺癌)的60种人类细胞系的体外抗增殖活性。该系列中活性最高的化合物导致细胞周期的G0–G1期受阻。对pRb表达的分析表明,该化合物有利于pRb的去磷酸化。