Liberine

Liberine

Names
Preferred IUPAC name 2-Methoxy-1,9-dimethyl-7,9-dihydro-1H-purine-6,8-dione
Other names O(2),1,9-Trimethylurate; Trimethyluric acid
Identifiers
CAS Number	56119-16-5  N[ ChemSpider ]
3D model (JSmol)	Interactive image
ChemSpider	48060240
PubChem CID	46926249
CompTox Dashboard (EPA)	DTXSID301045662
InChI InChI=1S/C8H10N4O3/c1-11-5-4(9-7(11)14)6(13)12(2)8(10-5)15-3/h1-3H3,(H,9,14) Key: IDVFNSHOEYLXJD-UHFFFAOYSA-N InChI=1/C8H10N4O3/c1-11-5-4(9-7(11)14)6(13)12(2)8(10-5)15-3/h1-3H3,(H,9,14) Key: IDVFNSHOEYLXJD-UHFFFAOYAU
SMILES CN1C2=C(C(=O)N(C(=N2)OC)C)NC1=O
Properties
Chemical formula	C8H10N4O3
Molar mass	210.193 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

Liberine, also referred to as O(2),1,9-trimethyluric acid, is a purine alkaloid. It is an isolate of coffee beans, tea, kola nuts, guarana, cocoa beans and yerba mate. ^[1]

See also

• Methylliberine - with an additional N-methyl group on the imidazolidine

References

1. "Minor alkaloids in caffeine-containing beverages". Deutsche Lebensmittel-Rundschau. 96 (11): 363–368. 2000. Archived from the original on 2014-12-10. Retrieved 2013-10-16.