d
$HCOOCH_3$ $+$ $CH_3MgI$ $\to $ $\begin{matrix}
OMgI \\
|\,\,\,\,\, \,\,\,\, \\
H-C-OC{{H}_{3}} \\
|\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{3}}\,\,\,\,\,\, \\
\end{matrix}$ $ \xrightarrow {H_2O/H^+}$ $Mg(OH)I $ $+$ $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}\,\,\,\, \,\,\,\, \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||}\,\,\,\, \,\,\,\, \\
{H - C} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\,\,\,\, \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}}
\end{array}$ $ \xrightarrow {CH_3,MgI}$ $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,OMgI}\,\,\,\, \\
{\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{H - C - C{H_3}} \\
{\,\,\,|\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,C{H_3}\,\,\,\,}
\end{array}$ $ \xrightarrow {H_2O/H^+}$ $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{HC - C{H_3}} \\
{\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$$+$ $Mg(OH)I$ (આઇસો પ્રોપાઇલ આલ્કોહોલ ($2^o$ આલ્કોહોલ))