D and L Designations of Monosaccharides

Danielle Thibeadeaux
Flashcards by Danielle Thibeadeaux, updated more than 1 year ago
Danielle Thibeadeaux
Created by Danielle Thibeadeaux over 7 years ago
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Question Answer
The simplest monosaccharides are _____________ and __________. Only _________ contains a ________ center. The simplest monosaccharides are glyceraldehyde and dihydroxyacetone. Only glyceraldehyde contains a chirality center(four diff groups attached)
Glyceraldehyde exists in two __________ forms. enantiomeric
A monosaccharide whose ______ ________ _________ center ( the ________ carbon) has the same configuration as the D-(+)-glyceraldehyde is designated as a __________. Vice versa for the L-(-)-glyceraldehyde. A monosaccharide whose highest numbered chirality center ( the penultimate carbon) has the same configuration as the D-(+)-glyceraldehyde is designated as a D-sugar. Vice versa for the L-(-)-glyceraldehyde.
The D and L nomenclature Are like the (R) and (S) designations although they are not necessarily related to the optical rotations of sugars to which they are applied.
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