Cimetropium Bromide
Title: Cimetropium Bromide
CAS Registry Number: 51598-60-8
CAS Name: (1a,2b,4b,5a,7b)-9-(Cyclopropylmethyl)-7-[(2S)-3-hydroxy-1-oxo-2-phenylpropoxy]-9-methyl-3-oxa-9-azoniatricyclo[,4]nonane bromide
Additional Names: 8-(cyclopropylmethyl)-6b,7b-epoxy-3a-hydroxy-1aH,5aH-tropanium bromide (-)-(S)-tropate; N-cyclopropylmethylscopolamine bromide
Manufacturers' Codes: DA-3177
Trademarks: Alginor (De Angeli)
Molecular Formula: C21H28BrNO4
Molecular Weight: 438.36
Percent Composition: C 57.54%, H 6.44%, Br 18.23%, N 3.20%, O 14.60%
Literature References: Spasmolytic agent with affinity for intestinal muscarinic receptors. Prepn: S. Casadio, A. Donetti, DE 2316728; eidem, US 3853886 (1973, 1974 both to De Angeli). Crystal and molecular structure: G. Giuseppetti et al., Farmaco Ed. Sci. 35, 231 (1980). Molecular conformation in solution: A. Gallazzi et al., ibid. 913. Pharmacology: A. Schiavone et al., Arzneim.-Forsch. 35, 796 (1985); C. Scarpignato, G. Bianchi Porro, Int. J. Clin. Pharmacol. Res. 5, 467 (1985). Clinical trials in treatment of irritable bowel syndrome: G. Piai et al., Clin. Trials J. 23, 6 (1986); A. Ferrari et al., Clin. Ther. 8, 320 (1986).
Properties: Crystals from acetonitrile, mp 174°. [a]D20 -18.3° (c = 3).
Melting point: mp 174°
Optical Rotation: [a]D20 -18.3° (c = 3)
Therap-Cat: Antispasmodic.
Keywords: Antispasmodic; Antimuscarinic.

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