$2,7-$ડાયમિથાઈલ$-2,6-$ઓકટાડાઈન $\stackrel{ H ^{+}}{\longrightarrow}$ $'A'$(મુખ્ય નીપજ)
(image) $\xrightarrow[{KOH}]{{KMn{O_4}}}\,B\,\xrightarrow[{FeC{L_3}}]{{B{r_2}}}\,C\,\xrightarrow[{{H^ + }}]{{{C_2}{H_5}OH}}\,D$
$D$ શું હશે?
$(i)$ $C{H_3} - C \equiv C - C{H_3}$
$(ii)$ $C{H_3} - C{H_2} - C{H_2} - C{H_3}$
$(iii)$ $C{H_3} - C{H_2} - C \equiv CH$
$(iv)$ $C{H_3} - CH = C{H_2}$
(figure) $\xrightarrow[{(2)\,Zn}]{{(1)\,{O_3}}}\mathop {\begin{array}{*{20}{c}}
{\,\,\,\,O\,\,\,\,\,\,\,O\,\,} \\
{\,||\,\,\,\,\,\,\,\,\,||} \\
{H - C - C - H}
\end{array}}\limits_{Glyoxal} + $ $\mathop {\begin{array}{*{20}{c}}
{\,\,\,O\,\,\,\,\,O\,\,} \\
{\,||\,\,\,\,\,\,\,\,||} \\
{C{H_3} - C - C - C{H_3}}
\end{array}}\limits_{2,3 - Bu\tan edione} + \mathop {\begin{array}{*{20}{c}}
{\,\,\,\,\,\,O\,\,\,\,\,O} \\
{\,\,\,\,\,\,||\,\,\,\,\,\,||} \\
{C{H_3} - C - C - H}
\end{array}}\limits_{Pyrualdehyde} $