7461. Pipenzolate Bromide

Nomenclature

CAS number: 125-51-9
1-Ethyl-3-[(hydroxydiphenylacetyl)oxy]-1-methylpiperidinium bromide; 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; JB-323; Piptal (Boehringer, Mann.).
C22H28BrNO3; mol wt 434.37.
C 60.83%, H 6.50%, Br 18.40%, N 3.22%, O 11.05%.

Description and 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).

Chemical structure

Properties

Crystals from methyl ethyl ketone, mp 179-180°. Soluble in water.

Note

N-Ethyl-3-piperidyl benzilate is a controlled substance (hallucinogen): 21 CFR, 1308.11.

Therapeutic Category

Antispasmodic.

Keywords

Antimuscarinic; Antispasmodic