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ID: ALA1143037
Journal: Bioorg Med Chem
Title: Discovery of +(2-{4-[2-(5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)ethoxy]phenyl}-cyclopropyl)acetic acid as potent and selective alphavbeta3 inhibitor: design, synthesis, and optimization.
Authors: Nagarajan SR, Lu HF, Gasiecki AF, Khanna IK, Parikh MD, Desai BN, Rogers TE, Clare M, Chen BB, Russell MA, Keene JL, Duffin T, Engleman VW, Finn MB, Freeman SK, Klover JA, Nickols GA, Nickols MA, Shannon KE, Steininger CA, Westlin WF, Westlin MM, Williams ML.
Abstract: The integrin alpha(v)beta(3) is expressed in a number of cell types and is thought to play a major role in several pathological conditions. Various small molecules that inhibit the integrin have been shown to suppress tumor growth and retinal angiogenesis. The tripeptide Arg-Gly-Asp (RGD), a common binding motif in several ligands that bind to alpha(v)beta(3), has been depeptidized and optimized in our efforts toward discovering a small molecule inhibitor. We recently disclosed the synthesis and biological activity of several small molecules that did not contain any peptide bond and mimic the tripeptide RGD. The phenethyl group in one of the lead compounds was successfully replaced with a cyclopropyl moiety. The new lead compound was optimized for potency, selectivity, and for its ADME properties. We describe herein the discovery, synthesis, and optimization of cyclopropyl containing analogs that are potent and selective inhibitors of alpha(v)beta(3).
CiteXplore: 17387018