155-41-9
Chemical Structure
Methscopolamine bromide
Synonym(s): (-)-Scopolamine methyl bromide; Hyoscine methyl bromide
- CAS. Nr.: 155-41-9
- Formula:C18H24BrNO4
- Molecular Weight:398.29
IUPAC Name: (1R,2R,4S,5S,7s)-7-(((S)-3-hydroxy-2-phenylpropanoyl)oxy)-9,9-dimethyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium bromide
InChIKey: CXYRUNPLKGGUJF-RAFJPFSSSA-M
SMILES: C[N+]1([C@@H]2[C@H](O3)[C@H]3[C@H]1C[C@@H](OC([C@@H](C4=CC=CC=C4)CO)=O)C2)C.[Br-]
Biological Activity: Methscopolamine bromide ((-)-Scopolamine methyl bromide; Hyoscine methyl bromide) is a peripherally acting muscarinic receptor (mAChR) antagonist that cannot cross the blood-brain barrier. Methscopolamine bromide blocks the muscarinic negative feedback regulation of acetylcholine release from striatal cholinergic terminals, thereby increasing acetylcholine release in the striatum of freely moving rats. Methscopolamine bromide does not induce motor excitation in freely moving rats, nor does it alter the duration of ethanol-induced loss of righting reflex in mice. Methscopolamine bromide fails to antagonize the arecoline-mediated reduction in the duration of ethanol-induced loss of righting reflex in mice[1][2].
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Methscopolamine bromide | 99.53% | Methscopolamine bromide ((-)-Scopolamine methyl bromide; Hyoscine methyl bromide) is a peripherally acting muscarinic receptor (mAChR) antagonist that cannot cross the blood-brain barrier. Methscopolamine bromide blocks the muscarinic negative feedback regulation of acetylcholine release from striatal cholinergic terminals, thereby increasing acetylcholine release in the striatum of freely moving rats. Methscopolamine bromide does not induce motor excitation in freely moving rats, nor does it alter the duration of ethanol-induced loss of righting reflex in mice. Methscopolamine bromide fails to antagonize the arecoline-mediated reduction in the duration of ethanol-induced loss of righting reflex in mice. | ||||||||||||||||||||
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- [1]. Sun YP, et al. Systemic administration of arecoline reduces ethanol-induced sleeping through activation of central muscarinic receptor in mice. Alcohol Clin Exp Res. 2010;34(1):150-157. [Content Brief]
- [2]. Watanabe H, et al. Effect of anticholinergic drugs on striatal acetylcholine release and motor activity in freely moving rats studied by brain microdialysis. Jpn J Pharmacol. 1989;51(1):75-82. [Content Brief]
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