${CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{Br} \xrightarrow[\Delta]{\mathrm{KOH}_{(a k)}} \mathrm{A} \xrightarrow{\mathrm{HBr}} \mathrm{B} \xrightarrow[\mathrm{KOH}_{(a) i}]{\Delta} \mathrm{C}$
(Nu=કેન્દ્રાનુરાગી)
$\begin{array}{*{20}{c}} {C{H_3}}\\ {|\,\,\,\,\,}\\ {{C_6}{H_5}C{H_2} - C - C{H_2} - C{H_3}}\\ {|\,\,\,\,\,}\\ {Br\,\,\,} \end{array}$ $\xrightarrow[{{C_2}{H_5}OH}]{{{C_2}{H_5}ONa}}$