Xanthosine

Xanthosine^[1]
Names
	IUPAC name Xanthosine
	Systematic IUPAC name 9--3,9-dihydro-1H-purine-2,6-dione
	Other names Xanthine riboside; 9-β-D-Ribofuranosylxanthine
Identifiers
CAS Number	146-80-5 ;
3D model (JSmol)	Interactive image; Interactive image;
ChEMBL	ChEMBL402439 ;
ChemSpider	58484 ;
ECHA InfoCard	100.005.164
PubChem CID	64959;
UNII	BM66HT53C3 ;
CompTox Dashboard (EPA)	DTXSID90861829 ;
	InChI InChI=1S/C10H12N4O6/c15-1-3-5(16)6(17)9(20-3)14-2-11-4-7(14)12-10(19)13-8(4)18/h2-3,5-6,9,15-17H,1H2,(H2,12,13,18,19)/t3-,5-,6-,9-/m1/s1 Key: UBORTCNDUKBEOP-UUOKFMHZSA-N ; InChI=1/C10H12N4O6/c15-1-3-5(16)6(17)9(20-3)14-2-11-4-7(14)12-10(19)13-8(4)18/h2-3,5-6,9,15-17H,1H2,(H2,12,13,18,19)/t3-,5-,6-,9-/m1/s1 Key: UBORTCNDUKBEOP-UUOKFMHZBM;
	SMILES C1=NC2=C(N13(((O3)CO)O)O)NC(=O)NC2=O; O=C3Nc1c(ncn12O((O)2O)CO)C(=O)N3;
Properties
Chemical formula	C10H12N4O6
Molar mass	284.228 g·mol−1
Melting point	Decomposes when heated
Solubility in water	Sparingly soluble in cold water; freely soluble in hot water
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). verify (what is ?) Infobox references

Xanthosine is a nucleoside derived from xanthine and ribose. It is the biosynthetic precursor to 7-methylxanthosine by the action of 7-methylxanthosine synthase. 7-Methylxanthosine in turn is the precursor to theobromine (active alkaloid in chocolate), which in turn is the precursor to caffeine, the alkaloid in coffee and tea.^[3]

References

^ Merck Index, 11th Edition, 9974
^ International Union of Pure and Applied Chemistry (2014). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. The Royal Society of Chemistry. p. 1421. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.
^ Ashihara, Hiroshi; Yokota, Takao; Crozier, Alan (2013). Biosynthesis and catabolism of purine alkaloids. Advances in Botanical Research. Vol. 68. pp. 111–138. doi:10.1016/B978-0-12-408061-4.00004-3. ISBN 978-0-12-408061-4.

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[Merck-1] Merck Index, 11th Edition, 9974

[2] International Union of Pure and Applied Chemistry (2014). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. The Royal Society of Chemistry. p. 1421. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.

[3] Ashihara, Hiroshi; Yokota, Takao; Crozier, Alan (2013). Biosynthesis and catabolism of purine alkaloids. Advances in Botanical Research. Vol. 68. pp. 111–138. doi:10.1016/B978-0-12-408061-4.00004-3. ISBN 978-0-12-408061-4.

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[2]

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Names

IUPAC name Xanthosine^[2]
Systematic IUPAC name 9--3,9-dihydro-1H-purine-2,6-dione
Other names Xanthine riboside; 9-β-D-Ribofuranosylxanthine
Identifiers
CAS Number	146-80-5^Y
3D model (JSmol)	Interactive image Interactive image
ChEMBL	ChEMBL402439^N
ChemSpider	58484^N
ECHA InfoCard	100.005.164
PubChem CID	64959
UNII	BM66HT53C3^Y
CompTox Dashboard (EPA)	DTXSID90861829
InChI InChI=1S/C10H12N4O6/c15-1-3-5(16)6(17)9(20-3)14-2-11-4-7(14)12-10(19)13-8(4)18/h2-3,5-6,9,15-17H,1H2,(H2,12,13,18,19)/t3-,5-,6-,9-/m1/s1^N Key: UBORTCNDUKBEOP-UUOKFMHZSA-N^N InChI=1/C10H12N4O6/c15-1-3-5(16)6(17)9(20-3)14-2-11-4-7(14)12-10(19)13-8(4)18/h2-3,5-6,9,15-17H,1H2,(H2,12,13,18,19)/t3-,5-,6-,9-/m1/s1 Key: UBORTCNDUKBEOP-UUOKFMHZBM
SMILES C1=NC2=C(N13(((O3)CO)O)O)NC(=O)NC2=O O=C3Nc1c(ncn12O((O)2O)CO)C(=O)N3
Properties
Chemical formula	C₁₀H₁₂N₄O₆
Molar mass	284.228 g·mol⁻¹
Melting point	Decomposes when heated
Solubility in water	Sparingly soluble in cold water; freely soluble in hot water
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). N verify (what is ^YN ?) Infobox references

See also

References