1-[(ω-Aminoalkyl)amino]-4-[<i>N</i>-(ω-aminoalkyl)carbamoyl]-9-oxo-9,10-dihydro- acridines as Intercalating Cytotoxic Agents: Synthesis, DNA Binding, and Biological Evaluation
作者:Ippolito Antonini、Paolo Polucci、Terence C. Jenkins、Lloyd R. Kelland、Ernesto Menta、Nicoletta Pescalli、Barbara Stefanska、Jan Mazerski、Sante Martelli
DOI:10.1021/jm970114u
日期:1997.11.1
A series of DNA-intercalating potential antitumor agents, 1-[(omega-aminoalkyl)amino]-4-[N-(omega-aminoalkyl)carbamoyl]-9-oxo-9, 10-dihydroacridines, has been prepared by aminolysis of the corresponding 4-[N-(omega-aminoalkyl)carbamoyl]-1-chloro derivative with a suitable omega-aminoalkylamine. The noncovalent DNA-binding properties of these bis-functionalized compounds have been examined using a combination
一系列的DNA嵌入潜在的抗肿瘤药1-[((ω-氨基烷基)氨基] -4- [N-(ω-氨基烷基)氨基甲酰基] -9-oxo-9,10-二氢ac啶,已经通过氨解法制备。相应的4- [N-(ω-氨基烷基)氨基甲酰基] -1-氯衍生物与合适的ω-氨基烷基胺。这些双功能化的化合物的非共价DNA结合特性已使用荧光和热变性技术的组合进行了检查,并与已建立的DNA嵌入剂和阳离子小沟配体的行为进行了比较。结果表明(i)这些药物的DNA亲和力比功能化程度较低的a啶酮高得多,其“表观”结合常数为(0.1-2.1)x 10(7)和(0.3-7.5)x 10(7)M- pH分别为5和7时为1,(ii)整体亲和力对柔性侧链的长度和所连接的胺取代基的复杂度均敏感,并且(iii)侧链侧链影响向中等AT优先结合的转换。尽管对某些化合物而言,很差的相关性,但对六种肿瘤细胞系的体外细胞毒性作用与观察到的DNA亲和力大致相似。还