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  • Title: Synthesis and structure-affinity relationships of 4-(5-Aryl-1,2,3,6-tetrahydropyridino)pyrimidine derivatives as corticotropin-releasing factor(1) receptor antagonists.
    Author: Kumagai T, Okubo T, Kataoka-Okubo H, Chaki S, Okuyama S, Nakazato A.
    Journal: Bioorg Med Chem; 2001 May; 9(5):1349-55. PubMed ID: 11377192.
    Abstract:
    Recently, various non-peptide corticotropin-releasing factor(1) (CRF(1)) receptor antagonists have been reported. Structure-affinity relationships (SARs) of non-peptide CRF(1) antagonists suggest that such antagonists can be constructed of three units: a hydrophobic unit (Up-Area), a proton accepting unit (Central-Area), and an aromatic unit (Down-Area). We previously presented 4-aryl-1,2,3,6-tetrahydropyridinopyrimidine derivatives including potent CRF receptor ligands 1a and 1b and proposed that the 4-aryl-1,2,3,6-tetrahydropyridino moiety might be useful as a substituent in the Up-Area. Our interest shifted to 5-aryl-1,2,3,6-tetrahydropyridinopyrimidine derivatives 2, among which compound 2m (CRA0165) had highest affinity for CRF(1) receptors (IC(50)=11nM). We report here the design, synthesis and SARs of derivatives 2.
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