作者:Louise R. Whittell、Kevin T. Batty、Rina P.M. Wong、Erin M. Bolitho、Simon A. Fox、Timothy M.E. Davis、Paul E. Murray
DOI:10.1016/j.bmc.2011.10.037
日期:2011.12
A series of mono- and di-substituted analogues of isocryptolepine have been synthesized and evaluated for in vitro antimalarial activity against chloroquine sensitive (3D7) and resistant (W2mef) Plasmodium falciparum and for cytotoxicity (3T3 cells). Di-halogenated compounds were the most potent derivatives and 8-bromo-2-chloroisocryptolepine displayed the highest selectivity index (106; the ratio of cytotoxicity (IC(50) = 9005 nM) to antimalarial activity (IC(50) = 85 nM)). Our evaluation of novel isocryptolepine compounds has demonstrated that di-halogenated derivatives are promising antimalarial lead compounds. (C) 2011 Elsevier Ltd. All rights reserved.