A series of 14-substituted-artemisinin and 9-epiartemisinin derivatives was
prepared by a titanium-tetrachloride catalyzed addition of trimethylsilyl
enol ethers to artemisitene. Several compounds were four to seven times mor
e active than artemisinin against Plasmodium falciparum. (C) 2000 Published
by Elsevier Science Ltd. All rights reserved.