2-Hydroxy-4,6-diamino-[1,3,5]triazines: A Novel Class of VEGF-R2 (KDR) Tyrosine Kinase Inhibitors
作者:Nand Baindur、Naresh Chadha、Benjamin M. Brandt、Davoud Asgari、Raymond J. Patch、Celine Schalk-HiHi、Theodore E. Carver、Ioanna P. Petrounia、Christian A. Baumann、Heidi Ott、Carl Manthey、Barry A. Springer、Mark R. Player
DOI:10.1021/jm049372z
日期:2005.3.1
2-Hydroxy-4,6-diamino-[1,3,5]triazines are described which are a novel class of potent inhibitors of the VEGF-R2 (flk-1/KDR) tyrosine kinase. 4-(Benzothiazol-6-ylamino)-6-(benzyl-isopropyl-amino)-[1,3,5]triazin-2-ol (14d) exhibited low nanomolar potency in the in vitro enzyme inhibition assay (IC50 = 18 nM) and submicromolar inhibitory activity in a KDR-induced MAP kinase autophosphorylation assay in HUVEC cells (IC50 = 280 nM), and also demonstrated good in vitro selectivity against a panel of growth factor receptor tyrosine kinases. Further, 14d showed antiangiogenic activity in an aortic ring explant assay by blocking endothelial outgrowths in rat aortas with an IC50 of 1 mu M.