Dimethylthiambutene

Dimethylthiambutene (N,N-Dimethyl-1-methyl-3,3-di-2-thienylallylamine, DMTB, trade names Ohton, Aminobutene, Dimethibutin, Kobaton, Takaton, Dimethibutin) is an opioid analgesic drug, most often used in veterinary medicine in Japan and to a lesser extent in other countries in the region and around the world. It is the most prominent and widely used of the thiambutenes, a series of open-chain opioids structurally related to methadone which are also called the thienyl derivative opioids which also includes diethylthiambutene and ethylmethylthiambutene, as well as the non-opioid cough suppressant tipepidine.

Dimethylthiambutene
Clinical data
ATC code
  • none
Legal status
Legal status
  • CA: Schedule I
  • DE: Anlage I (Authorized scientific use only)
  • US: Schedule I
Identifiers
IUPAC name
  • (RS)-N,N-dimethyl-4,4-dithiophen-2-yl-but-3-en-2-amine
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
ChEBI
ChEMBL
Chemical and physical data
FormulaC14H17NS2
Molar mass263.42 g·mol−1
3D model (JSmol)
Melting point169 to 170 °C (336 to 338 °F)
SMILES
  • CC(C=C(C1=CC=CS1)C2=CC=CS2)N(C)C
InChI
  • InChI=1S/C14H17NS2/c1-11(15(2)3)10-12(13-6-4-8-16-13)14-7-5-9-17-14/h4-11H,1-3H3 Y
  • Key:CANBGVXYBPOLRR-UHFFFAOYSA-N Y
  (verify)

Dimethylthiambutene was developed in the United Kingdom in the late 1940s[1] and introduced to the market by Burroughs-Wellcome in 1951. Dimethylthiambutene is now under international control under the UN Single Convention on Narcotic Drugs 1961, the laws governing habit-forming substances in virtually all countries and Schedule I of the US Controlled Substances Act of 1970 due to high abuse potential and never being introduced clinically in the United States; other countries regulate it much as morphine or diamorphine. Its DEA ACSCN is 9619 and it had a zero manufacturing quota in 2013.

See also

References
  1. U.S. Patent 2,561,899 - Dithienyl Allyl Amines



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