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Synthesis and biological evaluation of chemokine receptor ligands with 2-benzazepine scaffold.

Synthesis and biological evaluation of chemokine receptor ligands with 2-benzazepine scaffold.
Author Information (click to view)

Thum S, Kokornaczyk AK, Seki T, De Maria M, Ortiz Zacarias NV, de Vries H, Weiss C, Koch M, Schepmann D, Kitamura M, Tschammer N, Heitman LH, Junker A, Wünsch B,


Thum S, Kokornaczyk AK, Seki T, De Maria M, Ortiz Zacarias NV, de Vries H, Weiss C, Koch M, Schepmann D, Kitamura M, Tschammer N, Heitman LH, Junker A, Wünsch B, (click to view)

Thum S, Kokornaczyk AK, Seki T, De Maria M, Ortiz Zacarias NV, de Vries H, Weiss C, Koch M, Schepmann D, Kitamura M, Tschammer N, Heitman LH, Junker A, Wünsch B,

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European journal of medicinal chemistry 2017 04 22135() 401-413 pii 10.1016/j.ejmech.2017.04.046

Abstract

Targeting CCR2 and CCR5 receptors is considered as promising concept for the development of novel antiinflammatory drugs. Herein, we present the development of the first probe-dependent positive allosteric modulator (PAM) of CCR5 receptors with a 2-benzazepine scaffold. Compound 14 (2-isobutyl-N-({[N-methyl-N-(tetrahydro-2H-pyran-4-yl)amino]methyl}phenyl)-1-oxo-2,3-dihydro-1H-2-benzazepine-4-carboxamide) activates the CCR5 receptor in a CCL4-dependent manner, but does not compete with [(3)H]TAK-779 binding at the CCR5. Furthermore, introduction of a p-tolyl moiety at 7-position of the 2-benzazepine scaffold turns the CCR5 PAM 14 into the selective CCR2 receptor antagonist 26b. The structure affinity and activity relationships presented here offer new insights into ligand recognition by CCR2 and CCR5 receptors.

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