Title: Pipenzolate Bromide
CAS Registry Number: 125-51-9
CAS Name: 1-Ethyl-3-[(hydroxydiphenylacetyl)oxy]-1-methylpiperidinium bromide
Synonyms: 1-ethyl-3-hydroxy-1-methylpiperidinium bromide benzilate; benzilic acid 1-ethyl-3-piperidyl ester methyl bromide;
N-ethyl-3-piperidyl benzilate methobromide; pipenzolate methylbromide; pipenzolone bromide
Manufacturers' Codes: JB-323
Trademarks: Piptal (Boehringer, Mann.)
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. Prepn from
N-ethyl-3-chloropiperidine and benzilic acid: Biel
et al., J. Am. Chem. Soc. 74, 1485 (1952);
US 2918406 (1959 to Lakeside).
Properties: Crystals from methyl ethyl ketone, mp 179-180°. Soluble in water.
Melting point: mp 179-180°
NOTE: N-Ethyl-3-piperidyl benzilate is a controlled substance (hallucinogen):
21 CFR, 1308.11.
Therap-Cat: Antispasmodic.
Keywords: Antimuscarinic; Antispasmodic.