$C{H_3}COOH\xrightarrow{{SOC{l_2}}}A\mathop {\xrightarrow{{Benzene}}}\limits_{Anhr.\,AlC{l_3}} B\xrightarrow{{HCN}}C\xrightarrow{{HOH}}D.$
$\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{3}}-C-Cl-N{{H}_{3}} \\
\end{matrix}$ $\to $ મધ્યવર્તી $\to $ નીપજ
$C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br\xrightarrow{NaCN}$ $X\xrightarrow[heat]{{{H}_{3}}{{O}^{+}}}Y\xrightarrow[{{H}^{+}}]{C{{H}_{3}}C{{H}_{2}}OH}Z$