Benzimidazole-substituted (3-phenoxypropyl)amines as histamine H3 receptor ligands

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Abstract

A series of non-imidazole histamine H3 receptor antagonists based on the (3-phenoxypropyl)amine motif, which is a common pharmacophore for H3 antagonists, has been identified. A preliminary SAR study around the amine moiety has identified 8a as a potent H3 antagonist possessing a good pharmacokinetic profile in the rat.

Graphical abstract

A series of non-imidazole histamine H3 receptor antagonists based on the (3-phenoxypropyl)amine motif have been identified. Compound 8a displays a good pharmacokinetic profile in the rat.

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Acknowledgments

We thank the Drug Metabolism and Pharmacokinetics group of the Schering-Plough Research Institute, for providing the in vitro and in vivo pharmacokinetic data, and Steve Sorota for providing the hERG data.

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