Amantadine
Title: Amantadine
CAS Registry Number: 768-94-5
CAS Name: Tricyclo[3.3.1.13,7]decan-1-amine
Additional Names: 1-adamantanamine; 1-aminoadamantane; 1-aminodiamantane (obsolete); 1-aminotricyclo[3.3.1.13,7]decane
Molecular Formula: C10H17N
Molecular Weight: 151.25
Percent Composition: C 79.41%, H 11.33%, N 9.26%
Literature References: NMDA-receptor antagonist; also active vs influenza A virus. Prepn: H. Stetter et al., Ber. 93, 226 (1960); W. Haaf, ibid. 97, 3234 (1964); P. Kovacic, P. D. Roskos, Tetrahedron Lett. 1968, 5833. Antiviral activity: W. L. Davies et al., Science 144, 862 (1964). GC determn in biological samples and pharmacodynamics: W. E. Bleidner et al., J. Pharmacol. Exp. Ther. 150, 484 (1965). Pharmacology and toxicology: V. G. Vernier et al., Toxicol. Appl. Pharmacol. 15, 642 (1969). Comprehensive description: J. Kirschbaum, Anal. Profiles Drug Subs. 12, 1-36 (1983). Review of use vs influenza A: R. L. Tominack, F. G. Hayden, Infect. Dis. Clin. North Am. 1, 459-478 (1987); of pharmacokinetics: F. Y. Aoki, D. S. Sitar, Clin. Pharmacokinet. 14, 35-51 (1988). Review of NMDA receptor binding and neuroprotective properties: J. Kornhuber et al., J. Neural Transm. 43, Suppl., 91-104 (1994). Series of articles on clinical experience in Parkinson's disease: ibid. 46, Suppl., 399-421 (1995).
Properties: Crystals by sublimation, mp 160-190° (closed tube) (Stetter). Also reported as mp 180-192° (Haaf). pKa: 10.1. Sparingly sol in water.
Melting point: mp 160-190° (closed tube) (Stetter); mp 180-192° (Haaf)
pKa: pKa: 10.1
 
Derivative Type: Hydrochloride
CAS Registry Number: 665-66-7
Manufacturers' Codes: EXP-105-1; NSC-83653
Trademarks: Adekin (Desitin); Lysovir (Alliance); Mantadan (Boehringer, Ing.); Mantadine (Endo); Mantadix (BMS); Symmetrel (Endo); Virofral (Novo)
Molecular Formula: C10H17N.HCl
Molecular Weight: 187.71
Percent Composition: C 63.99%, H 9.67%, N 7.46%, Cl 18.89%
Properties: Crystals from abs ethanol + anhydr ether, mp >360° (dec). Freely sol in water (at least 1:20); sol in alcohol, chloroform. Practically insol in ether. LD50 orally in mice, rats: 700, 1275 mg/kg (Vernier).
Melting point: mp >360° (dec)
Toxicity data: LD50 orally in mice, rats: 700, 1275 mg/kg (Vernier)
 
Derivative Type: Sulfate
CAS Registry Number: 31377-23-8
Trademarks: PK-Merz (Merz)
Molecular Formula: C10H17N.½H2SO4
Molecular Weight: 200.29
Percent Composition: C 59.97%, H 9.06%, N 6.99%, S 8.00%, O 15.98%
 
Therap-Cat: Antiviral; antiparkinsonian.
Keywords: Antidyskinetic; Antiparkinsonian; Antiviral.

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