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Stereochemistry of aldotetroses

Stereochemistry of aldotetroses
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Description: These molecules have two chiral carbons and thus have two diastereomeric forms, threose and erythrose, each with a pair of enantiomers.

When monosaccharides contain more than one chiral carbon, the prefix D or L designates the configuration about the carbon farthest from the carbonyl group.

Isomers differing in orientation about other carbons are called diastereomers and given different names.

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