Title: Methixene
CAS Registry Number: 4969-02-2
CAS Name: 1-Methyl-3-(9H-thioxanthen-9-ylmethyl)piperidine
Additional Names: 9-(N-methyl-3-piperidylmethyl)thioxanthene
Molecular Formula: C20H23NS
Molecular Weight: 309.47
Percent Composition: C 77.62%, H 7.49%, N 4.53%, S 10.36%
Literature References: Anticholinergic. Prepn: Caviezel et al., Pharm. Acta Helv. 33, 447 (1958); J. Schmutz, US 2905590 (1959 to Wander). Metabolism and toxicity study: H. Lehner et al., Arzneim.-Forsch. 14, 89 (1964). Crystal structure: S. S. C. Chu, Acta Crystallogr. B28, 3625 (1972). Spectrofluorimetric determn: F. Belal et al., Anal. Chim. Acta 255, 103 (1991). Comprehensive description: E. M. Abdel-Moety et al., Anal. Profiles Drug Subs. Excip. 22, 317-358 (1993).
Properties: Slightly yellow viscous liquid, bp0.07 171-175°. Insol in water.
Boiling point: bp0.07 171-175°
Derivative Type: Hydrochloride monohydrate
CAS Registry Number: 7081-40-5
Trademarks: Tremoquil; Methixart (Fuso); Trest (Dorsey); Tremonil (Wander); Tremaril (Wander); Tremarit (Wander); Cholinfall (Tanabe Seiyaku); Methyloxan (Nippon Shoji)
Molecular Formula: C20H23NS.HCl.H2O
Molecular Weight: 363.94
Percent Composition: C 66.00%, H 7.20%, N 3.85%, S 8.81%, Cl 9.74%, O 4.40%
Properties: Flakes from ether, mp 215-217°. uv max (dil HCl): 268 nm (e 10250). Sol in water, alcohol, chloroform. Insol in ether.
Melting point: mp 215-217°
Absorption maximum: uv max (dil HCl): 268 nm (e 10250)
Therap-Cat: Antiparkinsonian.
Keywords: Antiparkinsonian; Antimuscarinic. |