The relative configurations of the stereoisomers of tartaric acid were established by
Chapter 23, Problem 23-51(choose chapter or problem)
The relative configurations of the stereoisomers of tartaric acid were established by the following syntheses:
(1) D-(+)-glyceraldehyde \(\stackrel{\mathrm{HCN}}{\longrightarrow}\) diastereomers A and B (separated)
(2) Hydrolysis of A and B using aqueous \(Ba(OH)_2\) gave C and D, respectively.
(3) \(HNO_3\) oxidation of C and D gave (-)-tartaric acid and meso-tartaric acid, respectively.
(a) You know the absolute configuration of D-(+)-glyceraldehyde. Use Fischer projections to show the absolute configurations of products A, B, C, and D.
(b) Show the absolute configurations of the three stereoisomers of tartaric acid: (+)-tartaric acid, (-)-tartaric acid, and meso-tartaric acid.
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