Title: Ciramadol
CAS Registry Number: 63269-31-8
CAS Name: 3-[(
R)-(Dimethylamino)[(1
R,2
R)-2-hydroxycyclohexyl]methyl]phenol
Synonyms: (-)-
cis-2-(a-dimethylamino-
m-hydroxybenzyl)cyclohexanol
Manufacturers' Codes: Wy-15705
Molecular Formula: C15H23NO2
Molecular Weight: 249.35
Percent Composition: C 72.25%, H 9.30%, N 5.62%, O 12.83%
Literature References: Analgesic with narcotic agonist-antagonist properties. Prepn: J. P. Yardley, P. B. Russel,
DE 2317183;
eidem, US 3928626,
US 4017637 (1973, 1975 and 1977 all to Am. Home). Synthesis, relative stereochemistry, biological activity: J. P. Yardley
et al., Experientia 34, 1124 (1978). Abs config: W. Stallings, Jr., J. Donohue,
J. Cryst. Mol. Struct. 11, 59 (1981). Determn in pharmaceutical dosage forms: H. K. Chan, A. G. Fogg,
Anal. Chim. Acta 105, 423 (1979). Metabolism: C. O. Tio
et al., Fed. Proc. 38, 2717 (1979). Respiratory effects in man: H. P. Wuest,
Arch. Int. Pharmacodyn. Ther. 240, 45 (1979). Analgesic effect in chronic pain: M. J. Staquet,
Curr. Med. Res. Opin. 6, 475 (1980).
Properties: Cryst from acetone/hexane, mp 191-193°. [a]D25 -46.92° (c = 1.061 in methanol).
Melting point: mp 191-193°
Optical Rotation: [a]D25 -46.92° (c = 1.061 in methanol)
Derivative Type: Hydrochloride
CAS Registry Number: 63323-46-6
Trademarks: Ciradol (Wyeth)
Molecular Formula: C15H23NO2.HCl
Molecular Weight: 285.81
Percent Composition: C 63.04%, H 8.46%, N 4.90%, O 11.20%, Cl 12.40%
Properties: Cryst from acetone/methanol, mp 255-257° (effervescence). [a]D25 -15.31° (c = 1.067 in methanol).
Melting point: mp 255-257° (effervescence)
Optical Rotation: [a]D25 -15.31° (c = 1.067 in methanol)
Therap-Cat: Analgesic.
Keywords: Analgesic (Non-Narcotic).
Status: This monograph has been retired and is no longer subject to revision or update.