Synthesis and antitumor activity of camptothecin derivatives bearing five-membered heterocycle containing 10-substituents

Synthesis and antitumor activity of camptothecin derivatives bearing five-membered heterocycle containing 10-substituents Synthesis and antitumor activity of the hexacyclic camptothecin derivatives Novel hexacyclic camptothecin derivatives. Part 1: Synthesis and cytotoxicity of camptothecins with an A-ring fused 1,3-oxazine ring 7-Cycloalkylcamptothecin derivatives: Preparation and biological evaluation Antitumor Agents. VII. Synthesis and Antitumor Activity of Novel Hexacyclic Camptothecin Analogs Plant antitumor agents. 23. Synthesis and antileukemic activity of camptothecin analogs Synthesis and cytotoxic activity of alkylidene- and alkyl-substituted camptothecins Plant antitumor agents. 25. Total synthesis and antileukemic activity of ring A substituted camptothecin analogs. Structure-activity correlations Synthesis and antitumor activity of a new class of water soluble camptothecin derivatives Synthesis and cytotoxic activity of new 9-substituted camptothecins