An Optically Active D-Aldohexose Was Treated with NaBH₄/H₂O and Produced

question 52

Essay

An optically active D-aldohexose was treated with NaBH₄/H₂O and produced an optically inactive alditol. When the same D-aldohexose was subjected to Wohl degradation followed by HNO₃ it produced an optically inactive aldaric acid. Provide the structure of this D-aldohexose.

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