Talk:Xanthine

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On 14 June 2008, Xanthine was linked from Slashdot, a high-traffic website. (See visitor traffic)

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What about monomethyl xanthines? Surely they play some important part in the human metabolism of di- and tri- metyhlxanthines. Fuzzform (talk) 05:49, 19 November 2008 (UTC) i dont know what the hell is this —Preceding unsigned comment added by 71.129.56.208 (talk) 21:24, 29 January 2009 (UTC)

The link to CAS in the chembox shows another tautomere as Xanthine. I think the tautomere on the Common Chemistry page is better, as it shows how Xanthine relates to Caffeine for example, just by changing the substituents. --217.87.182.103 (talk) 17:52, 1 November 2010 (UTC)

Incorrect Images?[edit]

This file, Xanthine oriented.png correctly show a hydrogen bonded to a nitrogen at 9', but this picture, Xanthin - Xanthine.svg, which is on the xanthine page, shows the hydrogen at 7'. This image of xanthine also appears wrong: Xanthine-3D-balls.png. Also one of the bonds is in a different location. In addition, the xanthosine image, Xanthosin.svg, also correctly has a hydrogen bonded to the nitrogen at 9' prime in order to connect with the ribose. According to this site: http://www.pearsonhighered.com/mathews/ch22/xanthine.htm the xanthosine picture is correct. Does anyone else agree that both pictures on the xanthine page should be changed? Kittenono (talk) 18:03, 4 July 2011 (UTC)