Furanose

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A furanose is a carbohydrate monosaccharide that is a five-membered (5 carbon) ring. The name furanose is due to its similarity to furan[1]. Furanose is formed from the open-chain form of fructose cyclized to a five-membered ring when the C-5 hydroxyl group attacks the C-2 ketone to form an intramolecular hemiketal. Two anomers are possible, which are α anomer and β anomer[2].

References

  1. Berg J., Tymoczko J and Stryer L. (2011) Biochemistry, 7th edition, New York: WH Freeman. pg 333
  2. Berg J., Tymoczko J, Gregory J. Gatto, Jr. and Stryer L. (2015) Biochemistry, 8th edition, New York: WH Freeman. pg 319

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