Talk:Theaflavin digallate
Latest comment: 11 years ago by Edgar181 in topic Chemical Structure
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Chemical Structure
editThe structure is incorrect. The gallate groups should be at the 3 and 3' position (please refer to http://en.wikipedia.org/wiki/Theaflavin-3-gallate adding a group at the 3' position also). I would fix this myself but I do not have access to the chemical drawing software. The structure can also be found here: http://www.freepatentsonline.com/7157493-0-large.jpg . — Preceding unsigned comment added by Keelan.peters (talk • contribs) 13:37, 9 August 2013 (UTC)
- If I'm looking at it correctly, the image currently used in the article, File:Theaflavin digallate.png, matches the structure at CID 5748168 from PubChem, but not the one in your link; and the image at the ChemSpider link in the ChemBox is a third structure. However, the name "theaflavin digallate" is ambiguous and each of these structures is consistent with the name. The article's references refer to the 3,3'-isomer which is the one described in your link. Unfortunately, I don't currently have access to the software that I used to create File:Theaflavin digallate.png, so we'll have to ask someone else to create a new image for this page. We should also make sure that all the article content and all the ChemBox data are referring to the same isomer (or if there is relevant content referring to other isomers, the article should point out the distinction). I'll leave a note at the Chemistry WikiProject (WT:CHEM) to get input from other chemists. Thanks for catching the discrepancy and reporting it here. -- Ed (Edgar181) 15:26, 9 August 2013 (UTC)