Question

In the multi-step conversion of an aldose into next higher aldose by Kiliani-Fischer synthesis, the reagent employed in the first step is :

• A. $C_6{H}_{5}NHN{H}_2$
• B. $N{H}_{2}OH$
• C. $B{r}_2/H_{2}O$
• D. NaCN/ $H_{2}O$

Answer 1

The correct option is D NaCN/ $H_{2}O$

In first step, NaCN/$H_{2}O$ or HCN is taken as reagent.