Viminol

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Viminol
Clinical data
Trade namesDividol
Other namesDividol, viminolo, diviminol
AHFS/Drugs.comInternational Drug Names
Routes of
administration		Oral
ATC code
Identifiers
  • 1-[1-[(2-Chlorophenyl)methyl]pyrrol-2-yl]-2-[di(butan-2-yl)amino]ethanol
JSmol)
  • CCC(C)N(C(C)CC)CC(O)C1=CC=CN1CC2=CC=CC=C2Cl
  • InChI=1S/C21H31ClN2O/c1-5-16(3)24(17(4)6-2)15-21(25)20-12-9-13-23(20)14-18-10-7-8-11-19(18)22/h7-13,16-17,21,25H,5-6,14-15H2,1-4H3 ☒N
  • Key:ZILPIBYANAFGMS-UHFFFAOYSA-N ☒N
 ☒NcheckY (what is this?)  (verify)

Viminol (marketed under the

brandname Dividol) is an opioid analgesic developed by a team at the drug company Zambon in the 1960s.[1] Viminol is based on the α-pyrryl-2-aminoethanol structure, unlike any other class of opioids.[2][3]

Viminol has both

agonist–antagonist profile similar to that of opioids such as pentazocine, although with somewhat fewer side effects.[6]

Side effects

Side effects are similar to other opioids, and can include:[medical citation needed]

  • Itching
  • Nausea
  • Sedation
  • Respiratory depression
    - can be potentially life-threatening

However, since viminol is supplied as a racemic mixture of agonist and antagonist isomers, the

abuse potential and respiratory depression tends to be less than that of μ-opioid full agonist drugs.[medical citation needed
]

Drug dependence may occur.[7]

Related compounds

Later work showed that replacing the chlorine atom with an fluorine atom (

trifluoromethyl group produced a compound with twice the potency and half the acute toxicity.[8] A later team at Zambon found that one isomer of a pyrrolidone analog is 318 times as potent as morphine in its analgesic activity in animal studies.[9] A number of related compounds were also found to be active, allowing a QSAR model
to be constructed.

Trifluoromethyl analog
Fluoro analog "2F-Viminol"
Pyrrolidone analog, Z4349[10]

References

  1. ^ US 3539589, Teotino UM, Bella DD, "1-(α-Pyrryl)-2-amino Ethanols", issued 10 November 1970, assigned to Whitefin Holding SA 
  2. PMID 6894429
    .
  3. PMID 609773
    .
  4. ^ US 3857857, Della D, Bella CV, Monza DC, Tiotino UM, "Stereoisomers of 1(1'(-O-Chlorobenzyl)-2'-Pyrryl)-2-Disec.Butylamino-Ethanol", issued 31 December 1974, assigned to Whitefin Holding SA 
  5. S2CID 11418389
    .
  6. PMID 3525423
    .
  7. S2CID 71184621
    .
  8. ^ US 4148907, Conti F, "Stereoisomers of 1-(1'benzyl-2'pyrryl)-2-di-sec.-butylaminoethanol and pharmaceutical compositions comprising same", issued 10 April 1979, assigned to Etablissement Viridis 
  9. ^ US 4960788, Carenzi A, Chiarino D, Bella DD, Grancini GC, Veneziani C, "Pyrrolidone-2 compounds and their use for central analgesic activity", issued 2 October 1990, assigned to Zambon Group S.P.A. 
  10. doi:10.1016/0960-894X(95)00077-7
    .
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