Alkyl derivatives of 1,3,5-triazine as histamine H4 receptor ligands

Add time:07/20/2019    Source:sciencedirect.com

This study focuses on the design, synthesis, molecular modeling and biological evaluation of a novel group of alkyl-1,3,5-triazinyl-methylpiperazines. New compounds were synthesized and their affinities for human histamine H4 receptor (hH4R) were evaluated. Among them, 4-(cyclohexylmethyl)-6-(4-methylpiperazin-1-yl)-1,3,5-triazin-2-amine (14) exhibited hH4R affinity with a Ki of 160 nM and behaved as antagonist in functional assays: the cellular aequorin-based assay (IC50 = 32 nM) and [35S]GTPγS binding assay (pKb = 6.67). In addition, antinociceptive activity of 14 in vivo was observed in Formalin test (in mice) and in Carrageenan-induced acute inflammation test (in rats).

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