Question

$D$-Glyceraldehyde $\underset{(ii)Ba(OH{)}_2+H_{2}S{O}_4}{\overset{(i)KCN}{\to }}$ products (B)
$\downarrow \Delta$
$(D+E)\stackrel{Na/Hg,H_3{O}^{\oplus }}{\leftarrow }$ Products (C)
(D) $\underset{HN{O}_3}{\overset{[O]}{\to }}$ Dibasic acid (optically active) (F)
(E) $\underset{HN{O}_3}{\overset{[O]}{\to }}$ Dibasic acid (optically inactive) (G)
Two isomeric products are obtained in (B). they are

• A. Diastereomers
• B. Anomers
• C. C-2 epimer
• D. C-3 epimer

Answer 1

Answer: (A), (C)

The sequence from (A) to $(D+E)$ is called Kiliani synthesis: