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Diketone
Diketone A diketone is a molecule containing two carbonyl groups. A diketone is an oxygen nucleophile . Reactions Diketones react ... as an enol(ate) rather than a diketone. The enol group gives off a proton ... makes ascorbic acid acidic. Also, if a diketone has ketone carbonyls separated only by ...
http://en.wikipedia.org/wiki/Diketone - 2k - Cached - Similar pages

Image:Ascorbic diketone.png
Image:Ascorbic diketone.png Image File history File links Ascorbic_diketone.png Yhteenveto Ascorbic acid diketone Licensing I, the creator of this work ...
http://en.wikipedia.org/wiki/Image:Ascorbic_diketone.png - 1k - Cached - Similar pages

Ascorbic acid
... enol on proton to give 1,3-diketone Ascorbic acid also rapidly interconverts into two unstable diketone tautomers by proton transfer , although it is ... from the double bond, to produce a diketone. This is an enol reaction. There are two possible forms, 1,2-diketone and 1,3-diketone. Determination The concerntration of a solution ...
http://en.wikipedia.org/wiki/Ascorbic_acid - 13k - Cached - Similar pages

Terpyridine
... a base to form a 1,5-diketone, this diketone is then reacted with ammonium acetate to ... reactions of hydrazine and a 1,2-diketone with pyridine-2,6-dicarbonitrile. These compounds ...
http://en.wikipedia.org/wiki/Terpyridine - 6k - Cached - Similar pages

Acyloin condensation   (translated from Japanese)
... doing, alkoxy group being disconnected, 1,2- diketone forms. < Math> \rm 2RC (=O) OR' + 2Na ... 1,2- the respective carbonyl group of diketone furthermore 1 electron being restored with the ...
http://ja.wikipedia.org/wiki/アシロイン縮合 - 4k - Cached (Japanese) - Wikipedia (Japanese) - Similar pages

メイラード reaction   (translated from Japanese)
... etc. are formed. In addition, the methyl diketone intermediate field by way of, ピルブアルデヒド which ... and オソン, 3- デオキシオソン and the methyl diketone intermediate field (1- デオキシオソン), intermediate product and ...
http://ja.wikipedia.org/wiki/メイラード反応 - 21k - Cached (Japanese) - Wikipedia (Japanese) - Similar pages

1,3,2,4-dithiadiphosphetane 2,4-disulfides
... is the conversion of a 1,4-diketone into a thiophene ring, this reaction can ... is the conversion of a 1,4-diketone into a thiophene ring, this reaction can ...
http://en.wikipedia.org/wiki/1,3,2,4-dithiadiphosphetane_2,4-disulfides - 14k - Cached - Similar pages

Polarity conversion   (translated from Japanese)
... where it does. For example 1,4- diketone (R-CO-CH 2 -CH 2 -CO ...
http://ja.wikipedia.org/wiki/極性変換 - 4k - Cached (Japanese) - Wikipedia (Japanese) - Similar pages

Keton   (translated from German)
... Alcohols, Aldehydes , Acetoacetat, Azetophenon, 2-Butanon, Propanone Diketone, Ether , Phenol , PEP Ketokoerper, Carbon , Aromatics, Geruchsstoffe ...
http://de.wikipedia.org/wiki/Keton - 4k - Cached (German) - Wikipedia (German) - Similar pages

Oxalic acid   (translated from German)
... Carboxylgruppen a strong Acid and like those ?-Diketone unstably. It disintegrates in more concentrated Schwefelsaeure ...
http://de.wikipedia.org/wiki/Oxalsäure - 7k - Cached (German) - Wikipedia (German) - Similar pages

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