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Journal of medicinal chemistry

2-(Pyrrolidin-1-yl)ethyl-3,4-dihydroisoquinolin-1(2H)-one derivatives as potent and selective histamine-3 receptor antagonists.


PMID 22313242

Abstract

On the basis of the previously reported benzimidazole 1,3'-bipyrrolidine benzamides (1), a new class of 2-(pyrrolidin-1-yl)ethyl-3,4-dihydroisoquinolin-1(2H)-one derivatives (3-50) were synthesized and evaluated as potent H(3) receptor antagonists. In particular, compound 39 exhibited potent in vitro binding and functional activities at the H(3) receptor, good selectivities against other neurotransmitter receptors and ion channels, acceptable pharmacokinetic properties, and a favorable in vivo profile.

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