Chapter 28: Problem 28.44 (page 1148)
Draw the anomer of a monosaccharide epimeric with D-glucose at C2 using a Haworth projection.
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Chapter 28: Problem 28.44 (page 1148)
Draw the anomer of a monosaccharide epimeric with D-glucose at C2 using a Haworth projection.
Answer


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Question: Label each stereogenic center as RorS.
A D-aldopentose A is reduced to an optically active alditol. Upon Kiliani-Fischer synthesis, A is converted to two D-aldohexoses, B and C. B is oxidized to an optically inactive aldaric acid. C is oxidized to an optically active aldaric acid. What are the structures of A-C?
Question: Convert each Haworth projection to its acyclic form.
a.

b.

Draw a stepwise mechanism for the following reaction.

Question: Draw two possible epimers of D-erythrose. Name each of these compounds using Figure 28.4.
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