BN 80245: An E-ring modified camptothecin with potent antiproliferative and topoisomerase I inhibitory activities

BN 80245: An E-ring modified camptothecin with potent antiproliferative and topoisomerase I inhibitory activities Synthesis and preliminary bioevaluation of novel E-ring modified acetal analog of camptothecin as cytotoxic agents BN 80927: A novel homocamptothecin with inhibitory activities on both topoisomerase I and topoisomerase II Plant antitumor agents. 29. Synthesis and biological activity of ring D and ring E modified analogs of camptothecin Modification of the hydroxylactone ring of camptothecin: inhibition of mammalian topoisomerase I and biological activity Synthesis and biological evaluation of new homocamptothecin analogs Synthesis and pharmacological evaluation of novel non-lactone analogues of camptothecin Evolution in medicinal chemistry of E-ring-modified Camptothecin analogs as anticancer agents Antitumor agents 294. Novel E-ring-modified camptothecin–4β-anilino-4′-O-demethyl-epipodophyllotoxin conjugates as DNA topoisomerase I inhibitors and cytotoxic agents Synthesis and Antitumor Activity of Ring A- and F-Modified Hexacyclic Camptothecin Analogues