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  • Title: Tricyclic pharmacophore-based molecules as novel integrin alpha(v)beta3 antagonists. Part 2: synthesis of potent alpha(v)beta3/alpha(IIb)beta3 dual antagonists.
    Author: Ishikawa M, Kubota D, Yamamoto M, Kuroda C, Iguchi M, Koyanagi A, Murakami S, Ajito K.
    Journal: Bioorg Med Chem; 2006 Apr 01; 14(7):2109-30. PubMed ID: 16309912.
    Abstract:
    We synthesized 4-aminopiperidine derivatives of our prototype integrin alpha(v)beta3 antagonist 1 in an attempt to increase the activity and water solubility. Introduction of one or two hydrophilic moieties into the central aromatic ring and/or the benzene ring at the C-terminus of 1 increased water solubility and enhanced inhibition of cell adhesion. The results of a structure-activity relationships (SAR) study indicated that the torsion angle between the central aromatic ring and the piperidine ring, and the acidity at the sulfonamide moiety, might be important for alpha(v)beta3 receptor binding activity. Some of these compounds are novel and potent alpha(v)beta3/alpha(IIb)beta3 dual antagonists with acceptable water solubility and a satisfactory early absorption, distribution, metabolism, excretion, and toxicity (ADMET) profile.
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