Experiments on the synthesis of dl-camptothecin. 4. Synthesis and antileukemic activity of dl-camptothecin analogues

Experiments on the synthesis of dl-camptothecin. 4. Synthesis and antileukemic activity of dl-camptothecin analogues Plant antitumor agents. 23. Synthesis and antileukemic activity of camptothecin analogs Plant antitumor agents. 18. Synthesis and biological activity of camptothecin analogs Plant antitumor agents. 29. Synthesis and biological activity of ring D and ring E modified analogs of camptothecin Synthesis and in vitro cytotoxicity of (RS)-20-desethyl-20-substituted camptothecin analogues Plant antitumor agents. 25. Total synthesis and antileukemic activity of ring A substituted camptothecin analogs. Structure-activity correlations Synthesis and antitumor activity of 7-substituted 20(RS)-camptothecin analogues Plant antitumor agents. 22. Isolation of 11-hydroxycamptothecin from Camptotheca acuminata decne: total synthesis and biological activity Plant antitumor agents. 22. Isolation of 11-hydroxycamptothecin from Camptotheca acuminata decne: total synthesis and biological activity Synthesis and antitumor activity of 7-ethyl-9-alkyl derivatives of camptothecin