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Chemistry LibreTexts

Alpha Anomer

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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

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This page titled Alpha Anomer is shared under a All Rights Reserved (used with permission) license and was authored, remixed, and/or curated by Gamini Gunawardena via source content that was edited to the style and standards of the LibreTexts platform.

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