\(\begin{array}{*{20}{c}}
O \\
{||} \\
{C{H_3} - C - N{H_2}}
\end{array}\) \(\xrightarrow[{(\operatorname{Re} duction)}]{{LiAl{H_4}}}\) \(\mathop {C{H_3} - C{H_2} - N{H_2}}\limits_{(B)} \)
(Figure) $\xrightarrow[FeB{{r}_{3}}]{B{{r}_{2}}}B\xrightarrow{Sn\,/\,HCl}C$ $\xrightarrow[HCl]{NaN{{O}_{2}}}D\xrightarrow[HBr]{CuBr}E$