Ketohexose

Ketohexose

A ketohexose is a ketone-containing hexose (a six-carbon monosaccharide). Ketohexoses have three chiral centers, so 8 (23 = 8) different stereoisomers are possible.

The 4 D-ketohexoses are:

CH2OH CH2OH CH2OH CH2OH
| |
C=O C=O C=O C=O
| |
HC-OH HO-CH HC-OH HO-CH
| |
HC-OH HC-OH HO-CH HO-CH
| |
HC-OH HC-OH HC-OH HC-OH
| |
CH2OH CH2OH CH2OH CH2OH D-Psicose D-Fructose D-Sorbose D-Tagatose


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  • Ketohexose — Hexosen sind Monosaccharide, deren Kohlenstoffgrundgerüst sechs Kohlenstoff Atome enthält. Sie haben alle die Summenformel C6H12O6 und unterscheiden sich durch die Art der Carbonyl Funktionsgruppe. Handelt es sich um eine Keto Gruppe, so spricht… …   Deutsch Wikipedia

  • ketohexose — ketoheksozė statusas T sritis chemija apibrėžtis Monosacharidas. formulė HOCH₂CO(CHOH)₄H atitikmenys: angl. ketohexose rus. кетогексоза …   Chemijos terminų aiškinamasis žodynas

  • ketohexose — /kee toh hek sohs/, n. Chem. any of a class of sugars composed of six carbon atoms and a ketone group, as fructose. [1895 1900; KETO + HEXOSE] * * * …   Universalium

  • ketohexose — noun Any hexose containing an ketone group …   Wiktionary

  • ketohexose — A six carbon sugar possessing a ketone group; e.g., fructose. SYN: hexulose. * * * ke·to·hex·ose hek .sōs, .sōz n a hexose (as fructose or sorbose) of a ketonic nature * * * ke·to·hex·ose (ke″to hekґsōs) any ketose containing six… …   Medical dictionary

  • Ketohexose — Ke|to|he|xo|se: svw. ↑ Hexulose …   Universal-Lexikon

  • Ketohexose — Ke|to|he|xo|se 〈f.; Gen.: , Pl.: n; Chemie〉 Zuckerart der Gruppe der Monosaccharide mit sechs Kohlenstoffatomen [Etym.: <Keton + Hexose] …   Lexikalische Deutsches Wörterbuch

  • ketohexose — n. group of sugars which contain six carbon atoms and a ketone (Chemistry) …   English contemporary dictionary

  • ketohexose — ke·to·hexose …   English syllables

  • ketohexose — /kɛtoʊˈhɛksoʊz/ (say ketoh heksohz), / oʊs/ (say ohs) noun any of a group of carbohydrates containing six carbon atoms and a ketone group …  

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