A diose is a monosaccharide containing two carbon atoms. Because the general chemical formula of an unmodified monosaccharide is (C·H2O)n, where n is three or greater, it does not meet the formal definition of a monosaccharide. However, since it does fit the formula (C·H2O)n, it is sometimes thought of as the most basic sugar.

There is only one possible diose, glycolaldehyde (2-hydroxyethanal), which is an aldodiose (a ketodiose is not possible since there are only two carbons).

See also

  • Triose
  • Tetrose
  • Pentose
  • Hexose
  • Heptose

References

  • Miljkovic, Momcilo (2009). Carbohydrates : synthesis, mechanisms, and stereoelectronic effects. New York, NY: Springer. ISBN 9780387922652.



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