$CHC{l_3} + C{H_3}N{H_2} + \mathop {3KOH}\limits_{{\rm{alc}}{\rm{.}}} \to \mathop {C{H_3}N\vec = }\limits_{\scriptstyle{\rm{Methyl }}\atop\scriptstyle{\rm{isocyanide}}} \mathop {C + 3KCl + 3{H_2}O}\limits_{} $

$[P]\xrightarrow{\begin{subarray}{l}
(i)\,NAN{O_2}/HCl,\,0 - {5^o}C \\
(ii)\,\beta - napthol/NaOH
\end{subarray} }Colored\,\,Solid$
$[P]\xrightarrow{{B{r_2}/{H_2}O}}{C_7}{H_6}NB{r_3}$
પ્રક્રિયક $[P]$ શું છે ?
image$\xrightarrow{{A{c_2}O}}A\mathop {\xrightarrow{{B{r_2}}}}\limits_{C{H_3}COOH} B\mathop {\xrightarrow{{{H_2}O}}}\limits_{{H^ + }} C$ 

${C_2}{H_5}N{H_2}\,\xrightarrow{{HN{O_2}}}a$
${C_2}{H_5}N{H_2}\,\xrightarrow{{{C_6}{H_5}CHO}}b$
${C_2}{H_5}N{H_2}\,\xrightarrow{{NOCl}}c$
${C_2}{H_5}N{H_2}\,\xrightarrow{{{C_6}{H_5}S{O_2}Cl}}d$