Translate the wedge-dash drawings below to Fischer projections (I, II, and III). Label the absolute configurations, Ror Sas appropriate for the chiral centers for molecule II. This should allow you to know the absolute configurations for the other two molecules quite easily. H. H. CI CH3 CI CH3 H. CH3 H H CH3 CH3 CH3 II III [5,5] [hiR] What is the relationship (identical, enantiomers, diastereomers, non-identical, etc.) between each pair (I to II; I to III; II to III)? List any meso compounds (I, II, and/or III) and show the plane of symmetry for one example?
Carbohydrates
Carbohydrates are the organic compounds that are obtained in foods and living matters in the shape of sugars, cellulose, and starch. The general formula of carbohydrates is Cn(H2O)2. The ratio of H and O present in carbohydrates is identical to water.
Starch
Starch is a polysaccharide carbohydrate that belongs to the category of polysaccharide carbohydrates.
Mutarotation
The rotation of a particular structure of the chiral compound because of the epimerization is called mutarotation. It is the repercussion of the ring chain tautomerism. In terms of glucose, this can be defined as the modification in the equilibrium of the α- and β- glucose anomers upon its dissolution in the solvent water. This process is usually seen in the chemistry of carbohydrates.
L Sugar
A chemical compound that is represented with a molecular formula C6H12O6 is called L-(-) sugar. At the carbon’s 5th position, the hydroxyl group is placed to the compound’s left and therefore the sugar is represented as L(-)-sugar. It is capable of rotating the polarized light’s plane in the direction anticlockwise. L isomers are one of the 2 isomers formed by the configurational stereochemistry of the carbohydrates.
![Translate the wedge-dash drawings below to Fischer projections (I, II, and III). Label the
absolute configurations, Ror Sas appropriate for the chiral centers for molecule II. This should
allow you to know the absolute configurations for the other two molecules quite easily.
H.
H.
CI
CH3
CI
CH3
CH3
H
H
CI
CH3
CH3
III
II
[S,5]
[hiR]
What is the relationship (identical, enantiomers, diastereomers, non-identical, etc.) between
each pair (I to II; I to III; II to III)?
List any meso compounds (I, II, and/or III) and show the plane of symmetry for one example?
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