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首页> 外文期刊>Bioorganic and medicinal chemistry >Chemical modification of aryl-1,2,3,6-tetrahydropyridinopyrimidine derivative to discover corticotropin-releasing factor(1) receptor antagonists: aryl-1,2,3,6-tetrahydropyridino-purine, -3H-1,2,3-triazolo(4,5-d)pyrimidine, -purin-8-one, and -7H-pyrro
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Chemical modification of aryl-1,2,3,6-tetrahydropyridinopyrimidine derivative to discover corticotropin-releasing factor(1) receptor antagonists: aryl-1,2,3,6-tetrahydropyridino-purine, -3H-1,2,3-triazolo(4,5-d)pyrimidine, -purin-8-one, and -7H-pyrro

机译：Chemical modification of aryl-1,2,3,6-tetrahydropyridinopyrimidine derivative to discover corticotropin-releasing factor(1) receptor antagonists: aryl-1,2,3,6-tetrahydropyridino-purine, -3H-1,2,3-triazolo(4,5-d)pyrimidine, -purin-8-one, and -7H-pyrro

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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). Recently, various non-peptide corticotropin-releasing factor(1) (CRF(1)) receptor antagonists obtained by modification of the Central-Area have been reported. In contrast, we modified the Up-Area and presented 4- or 5-aryl-1,2,3,6-tetrahydropyridinopyrimidine derivatives including potent CRF receptor ligands 1a-c, and proposed that the 4- or 5-aryl-1,2,3,6-tetrahydropyridino moiety might be useful as a substituent in the Up-Area. Our interest shifted to the chemical modification in which the pyrimidine ring of 1a-c was replaced by other heterocycles, purine ring of 2, 3H-1,2,3-triazolo4,5-dpyrimidine ring of 3, purin-8-one ring of 4 and 7H-pyrrolo2,3-dpyrimidine ring of 5. Among them, 5-aryl-1,2,3,6-tetrahydropyridinopurine compound 6j (CRA0186) had the highest affinity for CRF(1) receptors (IC(50)=20nM). We report here the synthesis and SARs of derivatives 6-9.

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