SAR about the B-ring of a series of N-2-aroyl anthranilamide factor Xa (tXa) inhibitors is described. B-ring o-aminoalkylether and B-ring p-amine probes of the S1' and S4 sites, respectively, afforded picomolar fXa inhibitors that performed well in in vitro anticoagulation assays. (c) 2007 Elsevier Ltd. All rights reserved.
SAR about the B-ring of a series of N-2-aroyl anthranilamide factor Xa (tXa) inhibitors is described. B-ring o-aminoalkylether and B-ring p-amine probes of the S1' and S4 sites, respectively, afforded picomolar fXa inhibitors that performed well in in vitro anticoagulation assays. (c) 2007 Elsevier Ltd. All rights reserved.