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Narcotine

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Narcotine Basic information
Narcotine Chemical Properties
Safety Information
  • Hazard Codes Xn
  • Risk Statements 22
  • Safety Statements 24/25
  • RIDADR 1544
  • WGK Germany 3
  • RTECS RD2625000
  • HazardClass 6.1(b)
  • PackingGroup III
  • HS Code 29329990
  • Hazardous Substances Data128-62-1(Hazardous Substances Data)
  • Toxicitycyt-ham:lng 100 mg/L ATSUDG (4),41,80
MSDS
Narcotine Usage And Synthesis
  • DescriptionA major constituent of opium (Papaver sornni!erurn), this phthalideisolquinoline base was probably first discovered by Derosne, but initially characterized by Robiquet who gave it the formula C23H3S0 7N, changed to that now accepted by Matthiesen and Foster. It crystallizes in colourless needles from EtOH and has [α]D - 198° (c 1.0, CHC13); - 146° (c 2.0, toluene); - 147° (c 1.59, C6H6) and + 50° (1 % HCl). The alkaloid is a weak, monoacidic, tertiary base, forming unstable salts with acids which are dissociated with H20. The hydrochloride crystallizes with varying amounts of H20, is very soluble in water, readily decomposing into basic salts on standing. The platinichloride is amorphous; the oxalate has m.p. 174°C;[α]20D + 39.5° (H20); the phthalate, m.p. 160°C; [α]22D + 115° (CHC13); sesquisulphate, colourless crystals of the hexahydrate and the picrate, m.p. 1 74-S°C. The (+)-bromocamphorsulphonate has m.p. 110- 120°C; [α]D + 100.7° (CHC13) and the corresponding (-)-bromocamphorsul_x0002_phonate, m.p. l80.SoC; [α]D + 29° (CHC13). The alkaloid yields an N-oxide which is a hygroscopic solid; [α]D + 135° (CHC13) furnishing a crystalline hydrochloride, m.p. 193°C; platinichloride, m.p. 175°C and a picrate, m.p. 130°C.
    The base is unstable to heat and when heated in a sealed tube yields a mixture of dimethylnornarcotine, methylnornarcotine and nornarcotine. On heating with H20 and 150°C, or on boiling with dilute acids, it is hydrolyzed to opianic acid and hydrocotarnine. Similar degradations are brought about by acid oxidation orreduction, e.g. Zn and dilute HCl gives hydrocotarnine and meconin while dilute HN03 yields cotarnine and opianic acid. Pharmacologically, narcotine resembles thebaine (q.v.) in its action, being a reflex stimulant rather than a narcotic.
  • Chemical PropertiesCrystalline Solid
  • Usesantiacne, antiproliferative agent
  • UsesAntitussive.
  • UsesAntitussive
  • DefinitionChEBI: A benzylisoquinoline alkaloid that is 1,2,3,4-tetrahydroisoquinoline which is substituted by a 4,5-dimethoxy-3-oxo-1,3-dihydro-2-benzofuran-1-yl group at position 1, a methylenedioxy group at positions 6-7 and a methoxy group at position 8. Obtained from p ants of the Papaveraceae family, it lacks significant painkilling properties and is primarily used for its antitussive (cough-suppressing) effects.
  • brand nameTusscapine (Fisons);Bequitussin;Bisolvon compositum;Broncha-tulisan eucalyptol;Broncho-tulisan eucalyptol;Brosolin-rectocap;Codipect;Codyl cum expectoras;Coscotab;Degoran;Dettuso;Difimetus compositum;Finipect;Hederix;Lyabex retard;Nipaxan;Nitepax;Nosaclin;Noscalin;Noscapect;Noscarex;Noscatuss;Reatos;Rectolmin bronquial;Ribelfan;Stilco;Teletux;Tucotin;Tuscapin;Tussamine plus;Tussanil n;Tusscalman;Tussicure;Tussisedal;Tussoretard.
  • World Health Organization (WHO)Noscapine, a centrally-acting cough suppressant and one of several alkaloids present in papaveretum (opium concentrate) was introduced into medicine many years ago. Subsequently, it was shown to increase the number of chromosomes in mammalian cell lines maintained in vitro. Although the clinical significance of this finding is uncertain, restrictive action was taken in a few countries since the possibility of a genotoxic effect cannot be excluded. On 4 December 1992 the European Committee on Proprietary Medicinal Products concluded that the available evidence does not indicate that use of noscapine holds any significant hazard. The Swedish Medical Products Agency also concluded that there is no justification to restrict the use of noscapine in women of childbearing age.
  • Biological FunctionsNoscapine is a naturally occurring product of the opium poppy. It is a benzylisoquinoline with no analgesic or other CNS effects. Its antitussive effects are weak, but it is used in combination with other agents in mixtures for cough relief.
  • HazardNarcotic, use legally restricted.
  • Safety ProfileModerately toxic by ingestion andsubcutaneous routes. Mutation data reported. Anantitussive. When heated to decomposition it emits toxicfumes of NOx.
  • ReferencesRobiquet., Ann. Chim. Phys., 5,275 (1817)
    Matthiessen, Foster.,!. Chern. Soc., 16,342 (1863)
    Perkin, Robinson., ibid, 99,775 (1911)
    Polonovski, Polonovski., Bull. Soc. Chim. Fr., 47, 361 (1930)
    Lovell., Acta Cryst., 6, 869 (1953)
    Barnes., Can. f. Chern., 33,444 (1955)
    Safe, Moir., ibid, 160 (1964)
    Stereochemistry: Battersby, Spenser., Tetrahedron Lett., 11 (1964)
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