Menthyl isovalerate

Menthyl isovalerate
Names
IUPAC name
(1R,3R,4S)-p-Menthan-3-yl 3-methylbutanoate
Systematic IUPAC name
(1R,2S,5R)-5-Methyl-2-(propan-2-yl)cyclohexyl 3-methylbutanoate
Other names
Validolum; Valofin; Validol; Menthoval
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.036.766
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C15H28O2/c1-10(2)8-15(16)17-14-9-12(5)6-7-13(14)11(3)4/h10-14H,6-9H2,1-5H3/t12-,13+,14-/m1/s1
    Key: VYQSSWZYPCCBRN-HZSPNIEDSA-N
  • InChI=1/C15H28O2/c1-10(2)8-15(16)17-14-9-12(5)6-7-13(14)11(3)4/h10-14H,6-9H2,1-5H3/t12-,13+,14-/m1/s1
    Key: VYQSSWZYPCCBRN-HZSPNIEDBT
SMILES
  • C[C@@H]1CC[C@H]([C@@H](C1)OC(=O)CC(C)C)C(C)C
Properties
Chemical formula
 C15H28O2
Molar mass 240.387 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Menthyl isovalerate, also known as validolum, is the menthyl ester of isovaleric acid. It is a transparent oily, colorless liquid with a smell of menthol. It is very slightly soluble in ethanol, while practically insoluble in water. It is used as a food additive for flavor and fragrance.[1]

Medical use

In Poland, Bulgaria, Romania and the former Soviet Union states including Russia, menthyl isovalerate mixed with roughly 25% menthol is sold as an anxiolytic under various trade names including Extravalerianic, Validol, Valofin, and Menthoval.[2][3][4]

Validol, the anxiety medication containing a roughly 25% solution of menthol in menthyl isovalerate is prepared essentially in one step, in which the amount of menthol added before conducting the acid catalysed esterification is in an excess such that the resulting solution of the yielded ester has around 25% menthol, simplifying the procedure. Work up might consist of several washings, including one with aqueous sodium bicarbonate to neutralize traces of acid catalyst and unreacted isovaleric acid, and distillation.

See also

References

  1. ^ Menthyl isovalerate.
  2. ^ Russian Medications List and Possible Side Effects
  3. ^ "Farmak Product Information - Validol" (PDF). Archived from the original (PDF) on 2016-03-15. Retrieved 2013-04-05.
  4. ^ Bondarenko IP, Liashenko MM, Chirkov SN, Ermakovich II (1996). "A comparative evaluation of the antianginal action of commercially and noncommercially produced validol in neurocirculatory dystonia and stenocardia". Lik Sprava. Mar–Apr (3–4): 110–113. PMID 9035841.
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