The synthesis and anti-HIV-1 activity of a series of diarylpyrimidines (DAP
Ys) are described. Several members of this novel class of non-nucleoside re
verse transcriptase inhibitors (NNRTIs) are extremely potent against both w
ild-type and a panel of clinically significant single- and double-mutant st
rains of HIV-1. (C) 2001 Elsevier Science Ltd. All rights reserved.