Synthesis and antitumor activity of 7-substituted 20(RS)-camptothecin analogues

Synthesis and antitumor activity of 7-substituted 20(RS)-camptothecin analogues Synthesis and in vitro cytotoxicity of (RS)-20-desethyl-20-substituted camptothecin analogues Plant antitumor agents. 18. Synthesis and biological activity of camptothecin analogs 7-Cycloalkylcamptothecin derivatives: Preparation and biological evaluation Novel C-ring analogues of 20( S )-camptothecin. Part 3: synthesis and their in vitro cytotoxicity of A-, B- and C-ring analogues Synthesis of new camptothecin analogs with improved antitumor activities Synthesis and Antitumor Activity of Novel Water Soluble Derivatives of Camptothecin as Specific Inhibitors of Topoisomerase I Plant antitumor agents. 30. Synthesis and structure activity of novel camptothecin analogs Design and one-pot synthesis of new 7-acyl camptothecin derivatives as potent cytotoxic agents Synthesis and in vitro cytotoxicity of C(20)(RS)-camptothecin analogues modified at both B (or A) and E ring