Synthesis and antitumor activity of novel 20s-camptothecin analogues
作者:Qingyong Li、Hongyan Lv、Yuangang Zu、Zhenhuan Qu、Liping Yao、Lin Su、Chen Liu、Limin Wang
DOI:10.1016/j.bmcl.2008.11.031
日期:2009.1
decrease the toxicity and improve the stability of labile lactone ring of camptothecin, nitrogenous heterocyclic aromatic groups were introduced into 20-position of camptothecin and seventeen new 20s-camptothecin derivatives were obtained in quantitative yield. The cytotoxicity in vitro on three cancer cell lines and the stability of the lactone in phosphate-buffered solution (PBS) of these derivatives