References of 2,4,6(1H,3H,5H)-Pyrimidinetrione,5-(2-cyclopenten-1-yl)-5-(2-propen-1-yl)-
Title: Cyclopentobarbital
CAS Registry Number: 76-68-6
CAS Name: 5-(2-Cyclopenten-1-yl)-5-(2-propenyl)-2,4,6(1
H,3
H,5
H)-pyrimidinetrione
Synonyms: 5-allyl-5-(2-cyclopenten-1-yl)barbituric acid
Trademarks: Cyclopal (Kytta-Siegfried)
Molecular Formula: C12H14N2O3
Molecular Weight: 234.25
Percent Composition: C 61.53%, H 6.02%, N 11.96%, O 20.49%
Literature References: Prepd by condensing the ethyl ester of cyclopentenylmalonic acid with urea: Compagnie de Bethune:
DE 589947 (1930),
Frdl. 19, 1198;
GB 349455;
FR 38680.
Properties: Crystals, mp 139-140°. Bitter taste. Slightly sol in cold water; moderately sol in hot water. Freely sol in alcohol, organic solvents.
Melting point: mp 139-140°
NOTE: This is a controlled substance (depressant):
21 CFR, 1308.13.
Therap-Cat: Sedative, hypnotic.
Keywords: Sedative/Hypnotic; Barbituric Acid Derivatives.
Status: This monograph has been retired and is no longer subject to revision or update.