Benzilonium Bromide

Title: Benzilonium Bromide
CAS Registry Number: 1050-48-2
CAS Name: 1,1-Diethyl-3-[(hydroxydiphenylacetyl)oxy]pyrrolidinium bromide
Additional Names: 1-ethyl-3-pyrrolidinyl benzilate ethyl bromide; 3-benziloyloxy-1,1-diethylpyrrolidinium bromide; benzilic acid 1-ethyl-3-pyrrolidinyl ester ethyl bromide
Manufacturers' Codes: CI-379; PU-239
Trademarks: Minelsin (Parke-Davis); Minelcin (Parke-Davis); Portyn (Parke-Davis); Ulcoban (Parke-Davis)
Molecular Formula: C22H28BrNO3
Molecular Weight: 434.37
Percent Composition: C 60.83%, H 6.50%, Br 18.40%, N 3.22%, O 11.05%
Literature References: Anticholinergic. Prepd from 1-ethyl-3-hydroxypyrrolidine and ethyl benzilate followed by reaction with ethyl bromide: Bowman et al., GB 821436 (1956 to Parke, Davis); Ryan, Ainsworth, J. Org. Chem. 27, 2901 (1962). Toxicity study: Reichertz, Schliva, Arzneim.-Forsch. 12, 414 (1962). GC-MS determn in plasma: H. Dahlström et al., J. Chromatogr. 183, 511 (1980). Clinical evaluation for duodenal ulcer: M. Hradsky, Scand. J. Gastroenterol. Suppl. 54, 52 (1979).
Properties: Crystals, mp 203-204°. LD50 orally in rats: 1.86 g/kg (Reichertz, Schliva).
Melting point: mp 203-204°
Toxicity data: LD50 orally in rats: 1.86 g/kg (Reichertz, Schliva)
Therap-Cat: Antispasmodic.
Keywords: Antispasmodic; Antimuscarinic.
Status: This monograph has been retired and is no longer subject to revision or update.
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