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Chemistry LibreTexts

Alpha Anomer

[ "article:topic", "authorname:ggunawardena" ]
  • Page ID
    32197
  • In a pair of anomers shown as Haworth formulas, the anomer in which the hydroxy group or the alkoxy group on the anomeric carbon is pointing down is called the alpha anomer, and the one in which is pointing up is called the beta anomer.

    Example 1:  anomers of D-glucopyranose

     

    alphaanomers1.png

     

    Example 2:  anomers of D-fructofuranose

     

    alphaanomers2.png

     

    Example 3:  anomers of methyl D-glucopyranoside

     

    alphaanomers3.png