Investigation of the Structure–Activity Relationships of Aza-A-Ring Indenoisoquinoline Topoisomerase I Poisons
作者:Daniel E. Beck、P. V. Narasimha Reddy、Wei Lv、Monica Abdelmalak、Gabrielle S. Tender、Sophia Lopez、Keli Agama、Christophe Marchand、Yves Pommier、Mark Cushman
DOI:10.1021/acs.jmedchem.6b00003
日期:2016.4.28
Incorporation of a nitrogen atom into the indenoisoquinoline scaffold offers the possibility of favorably modulating ligand-binding site interactions, physicochemical properties, and biological activities. Four series of aza-A-ring indenoisoquinolines were synthesized in which the nitrogen atom was systematically rotated through positions 1, 2, 3, and 4. The resulting compounds were tested to establish
几种茚并异喹啉在临床试验中已显示出作为抗癌药的希望。将氮原子并入茚并异喹啉支架中提供了有利地调节配体-结合位点相互作用,理化性质和生物活性的可能性。合成了四个氮杂A环茚并异喹啉系列,其中氮原子系统地旋转了1、2、3和4位。对所得化合物进行了测试,以确定拓扑异构酶IB(Top1)酶中毒活性的最佳氮位置。和对人类癌细胞的细胞毒性。4-氮杂化合物最有可能产生具有高Top1抑制活性的衍生物。然而,结构和细胞毒性之间的关系更加复杂,因为内酰胺氮上的侧链强烈影响其效力。最具细胞毒性的氮杂腺苷异喹啉45和46在2或3位具有氮原子,并具有3'-二甲基氨基丙基侧链,并且它们的MGM GI 50值略好于相应的茚并异喹啉64。