Xanthine riboside; 9-beta-D-Ribofuranosylxanthine
|Molar mass||284.23 g·mol−1|
|Melting point||Decomposes when heated|
|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 [77 °F], 100 kPa).
|what is: / ?)(|
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.
- Merck Index, 11th Edition, 9974
- Ashihara, Hiroshi; Yokota, Takao; Crozier, Alan "Biosynthesis and catabolism of purine alkaloids" Advances in Botanical Research 2013, vol. 68, 111-138. http://dx.doi.org/10.1016/B978-0-12-408061-4.00004-3
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