Organic Chemistry
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The C3 epimer of glucose is allose. Draw the structure of α-D-allose in chair conformation.
Which structure shows the five-membered ring lactones formed from the aldaric acid of mannose?
Which of the OH groups in β-D-altropyranose are in the axial position?
D-Galactose predominantly exists as six-membered ring compounds in an aqueous solution. Draw the structures of these compounds.
Provide the structures of the α- and β-anomers of D-gulopyranose. The Fischer projection for D-gulose is shown below.
Show the structures of the α-D-allofuranose and β-D-allofuranose. The open-chain structure of D-allose is given below.
Draw the following structures:
a. β-D-gulopyranose
b. α-D-tagatofuranose
Predict whether D-galactose exists preferentially as a pyranose or a furanose.
Provide the chair conformation of β-D-talopyranose, which is the C4 epimer of D-mannose.