The synthesis and inhibitory activities of 10 potential inhibitors of Pfmrk
, a Plasmodium falciparum cyclin-dependent protein kinase, are described. T
he most potent inhibitor is a 3-phenyl-quinolinone compound with an IC50 va
lue of 18 muM. It is the first compound reported to inhibit Pfmrk at the mi
cro molar range. (C) 2001 Elsevier Science Ltd. All rights reserved.