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Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: araffe on February 01, 2006, 08:30:21 AM

Title: Thiamin oxidation to Thiochrome?
Post by: araffe on February 01, 2006, 08:30:21 AM

Does any one know the mechanism of the Thiamin oxidation to Thiochrome with Fe(CN)6

Title: Re:Thiamin oxidation to Thiochrome?
Post by: AWK on February 01, 2006, 09:22:28 AM

Generally, oxidtion mexchanisms are difficult for a detailed explanation.
Thiamine can be oxidised to thiochrome by numerous mild oxidisers,
eg Hg2+, H2O2 or ferricyanide anion.
May be this link put some light on this problem
http://www.jobinyvon.com/usadivisions/Fluorescence/applications/F-07_App_Note_Vitamin_B1.pdf