Discovery of Potent and Selective Dipeptidyl Peptidase IV Inhibitors Derived from β-Aminoamides Bearing Subsituted Triazolopiperazines
作者:Dooseop Kim、Jennifer E. Kowalchick、Linda L. Brockunier、Emma R. Parmee、George J. Eiermann、Michael H. Fisher、Huaibing He、Barbara Leiting、Kathryn Lyons、Giovanna Scapin、Sangita B. Patel、Aleksandr Petrov、KellyAnn D. Pryor、Ranabir Sinha Roy、Joseph K. Wu、Xiaoping Zhang、Matthew J. Wyvratt、Bei B. Zhang、Lan Zhu、Nancy A. Thornberry、Ann E. Weber
DOI:10.1021/jm070330v
日期:2008.2.1
beta-aminoamides bearing triazolopiperazines have been discovered as potent, selective, and orally active dipeptidyl peptidase IV (DPP-4) inhibitors by extensive structure-activity relationship (SAR) studies around the triazolopiperazine moiety. Among these, compound 34b with excellent in vitro potency (IC50 = 4.3 nM) against DPP-4, high selectivity over other enzymes, and good pharmacokinetic profiles exhibited
通过围绕三唑并哌嗪部分的广泛结构-活性关系(SAR)研究,已发现一系列带有三唑并哌嗪的β-氨基酰胺为有效,选择性和口服活性的二肽基肽酶IV(DPP-4)抑制剂。在这些化合物中,对DPP-4具有优异的体外效力(IC50 = 4.3 nM),对其他酶的选择性高以及良好的药代动力学特征的化合物34b在瘦小鼠的口服葡萄糖耐量试验(OGTT)中显示出明显的体内功效。基于这些性质,化合物34b已被详细剖析。对三唑并哌嗪的进一步改良导致发现了一系列对DPP-4(42b-49b)具有亚纳摩尔活性的极其有效的化合物,即4-氟苄基取代的化合物46b,以其优越的效力而著称(IC50 = 0。18 nM)。与DPP-4酶复合的化合物34b和46b的X射线晶体结构测定表明,就DPP-4抑制而言,三唑并哌嗪在8位的(R)-立体化学优于(S)。