Discovery of non-peptidic P 2 –P 3 butanediamide renin inhibitors with high oral efficacy
摘要:
A new series of non-peptidic renin inhibitors having a 2-substituted butanediamide moiety at the P-2 and P-3 positions has been identified. The optimized inhibitors have IC50 values of 0.8 to 1.4 nM and 2.5 to 7.6 nM in plasma renin assays at pH 6.0 and 7.4, respectively. When evaluated in the normotensive cynomolgus monkey model, two of the most potent inhibitors were orally active at a dose as low as 3 mg/kg. These potent renin inhibitors are characterized by oral bioavailabilities of 40 and 89% in the cynomolgus monkey. Inhibitor 3z (BILA 2157 BS) was selected as candidate for pre-development. (C) 1999 Elsevier Science Ltd. All rights reserved.
Discovery of non-peptidic P 2 –P 3 butanediamide renin inhibitors with high oral efficacy
摘要:
A new series of non-peptidic renin inhibitors having a 2-substituted butanediamide moiety at the P-2 and P-3 positions has been identified. The optimized inhibitors have IC50 values of 0.8 to 1.4 nM and 2.5 to 7.6 nM in plasma renin assays at pH 6.0 and 7.4, respectively. When evaluated in the normotensive cynomolgus monkey model, two of the most potent inhibitors were orally active at a dose as low as 3 mg/kg. These potent renin inhibitors are characterized by oral bioavailabilities of 40 and 89% in the cynomolgus monkey. Inhibitor 3z (BILA 2157 BS) was selected as candidate for pre-development. (C) 1999 Elsevier Science Ltd. All rights reserved.
A superior substrate sequence for BACE1 containing transition-state mimics at the scissile site was evaluated as a proteaseinhibitor. Hydroxymethylcarbonyl (HMC) and hydroxyethylamine (HEA) isosteres were selected as the transition state mimics, and incorporated into the scissile site of the superior sequence covering the P4 to P1’ sites (Glu-Ile-Thi-Thi*Nva; *denotes the cleavagesite). Isosteres