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(S)-(+)-Dimethindene maleate
Chemical Name:N,N-Dimethyl-3-[(1S)-1-(2-pyridinyl)ethyl]-1H-indene-2-
ethanamine maleate
Biological Activity:
Enantiomer that is a subtype-selective M2
muscarinic receptor antagonist (pKi values are 7.08, 7.78, 6.70 and
7.00 for M1, M2, M3 and M4
receptors respectively). Also H1 histamine receptor antagonist (pKi=
7.48).
Pfaffet al (1995) The (S)-(+)-enantiomer
of dimethindene: a novel M2-selective
muscarinic receptor antagonist. Eur.J.Pharmacol. 286 229. Lambrecht
et al (1999) Neuronal soma-dendritic and prejunctional M1 and M4
receptors in gastrointestinal and genitourinary smooth muscle. Life Sci. 64
403.