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Tybamate

From Wikipedia, the free encyclopedia
Chemical compound

Pharmaceutical compound
Tybamate
Clinical data
ATC code
  • none
Identifiers
  • [2-(Carbamoyloxymethyl)-2-methylpentyl]N-butylcarbamate
CAS Number
PubChemCID
ChemSpider
UNII
KEGG
CompTox Dashboard(EPA)
ECHA InfoCard100.022.050Edit this at Wikidata
Chemical and physical data
FormulaC13H26N2O4
Molar mass274.361 g·mol−1
3D model (JSmol)
  • CCCCNC(=O)OCC(C)(CCC)COC(=O)N
  • InChI=1S/C13H26N2O4/c1-4-6-8-15-12(17)19-10-13(3,7-5-2)9-18-11(14)16/h4-10H2,1-3H3,(H2,14,16)(H,15,17) checkY
  • Key:PRBORDFJHHAISJ-UHFFFAOYSA-N checkY

Tybamate (INN;Solacen,Tybatran,Effisax) is ananxiolytic of thecarbamate family.[1] It is aprodrug formeprobamate in the same way as the better known drugcarisoprodol. It has liver enzyme inducing effects similar to those ofphenobarbital but much weaker.[2]

As the trade name Tybatran (Robins), it was formerly available in capsules of 125, 250, and 350 mg, taken 3 or 4 times a day for a total daily dosage of 750 mg to 2 g. The plasma half-life of the drug is three hours. At high doses in combination withphenothiazines, it could produce convulsions.[3]

Synthesis

[edit]

Catalytic hydrogenation of 2-methyl-2-pentenal (1) gives thealdehyde 2-methylpentanal (2). Treatment withformaldehyde gives acrossed Cannizzaro reaction yielding2,2-bis(hydroxymethyl)pentane (3).Cyclisation of thisdiol withdiethyl carbonate gives (4), which reacts with ammonia to provide thecarbamate (5). Lastly, treatment with butyl isocyanate (6) produces tybamate.[4][5][6]

References

[edit]
  1. ^Index Nominum 2000: International Drug Directory. Taylor & Francis. January 2000. p. 1077.ISBN 978-3-88763-075-1.
  2. ^Segelman FH, Kelton E, Terzi RM, Kucharczyk N, Sofia RD (June 1985). "The comparative potency of phenobarbital and five 1,3-propanediol dicarbamates for hepatic cytochrome P450 induction in rats".Research Communications in Chemical Pathology and Pharmacology.48 (3):467–70.PMID 4023427.
  3. ^American Medical Association Dept of Drugs (1977).AMA Drug Evaluations (3rd ed.). Littleton, Mass.: Pub. Sciences Group. p. 406.ISBN 978-0-88416-175-2.OCLC 1024170745.
  4. ^Ludwig BJ, Piech EC (1951). "Some Anticonvulsant Agents Derived from 1,3-Propanediols".Journal of the American Chemical Society.73 (12):5779–5781.Bibcode:1951JAChS..73.5779L.doi:10.1021/ja01156a086.
  5. ^Reisberg P, Kress J, Bodin JI (1975).Tybamate. Analytical Profiles of Drug Substances. Vol. 4. pp. 494–515.doi:10.1016/S0099-5428(08)60025-8.ISBN 978-0-12-260804-9.
  6. ^"Tybamate".Pharmaceutical Substances. Thieme. Retrieved2024-07-08.


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