Ketohexose
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A ketohexose is a ketone-containing hexose (a six-carbon monosaccharide).[1] The most common ketohexoses, each of which represents a pair of enantiomers (D- and L-isomers), include fructose, psicose, sorbose, and tagatose. Ketohexose is stable over a wide pH range, and with a primary pKa of 10.28, will only deprotonate at high pH, so is marginally less stable than aldohexose in solution.
 D-Fructose |
 D-Psicose |
 D-Sorbose |
 D-Tagatose |
 L-Fructose |
 L-Psicose |
 L-Sorbose |
 L-Tagatose |
[edit] References
- ^ Milton Orchin, ed. (1980). The vocabulary of organic chemistry. Wiley. ISBN 9780471044918.
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