The synthesis and biological evaluation of novel sulfonate analogues of E-7
010 are reported, Several of the compounds are potent inhibitors of cell pr
oliferation and tubulin polymerization. Importantly, these compounds are al
so active against P-glycoprotein positive (+)cancer cells, which are resist
ant to many other antitumor agents. (C) 2001 Elsevier Science Ltd. All righ
ts reserved.