Consider the structures of the d aldopentoses: D-Ribose H OH CH2OH H OH H OH C H O
Chapter 24, Problem 24.45(choose chapter or problem)
Consider the structures of the d aldopentoses: D-Ribose H OH CH2OH H OH H OH C H O D-Arabinose H OH CH2OH H OH HO H C H O D-Xylose HO H CH2OH H OH H OH C H O D-Lyxose HO H CH2OH H OH HO H C H O (a) Identify the aldopentose that is epimeric with d-arabinose at C2. (b) Identify the aldopentose that is epimeric with d-lyxose at C3. (c) Draw the enantiomer of d-ribose. (d) Identify the relationship between the enantiomer of d-arabinose and the C2 epimer of l-ribose. (e) Identify the relationship between d-ribose and d-lyxose.
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