Identify substrate $A$ in the following reaction. $A + \mathrm{AgOH} \xrightarrow[\text{ii) }…

Identify substrate $A$ in the following reaction. $A + \mathrm{AgOH} \xrightarrow[\text{ii) } \Delta]{\text{i}) \text{ moist } \mathrm{Ag}_2 \mathrm{O}} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{N}(\mathrm{CH}_3)_2 + \mathrm{CH}_2=\mathrm{CH}_2$
  1. Diethyldimethyl ammonium halide
  2. Ethyltrimethyl ammonium halide
  3. Diethyldimethyl ammonium hydroxide
  4. Ethyltrimethyl ammonium hydroxide

Solution

The reaction is Hofmann elimination and substrate ' $\mathrm{A}$ ' is diethyldimethyl ammonium halide. $\begin{aligned} & \left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \stackrel{+}{\mathrm{N}}\left(\mathrm{CH}_3\right)_2 \dot{\mathrm{X}}+\mathrm{AgOH} \frac{\text { i) mois } \mathrm{A}_2 \mathrm{O}}{\text { ii) }} \rightarrow \\ & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{~N}\left(\mathrm{CH}_3\right)_2\end{aligned}$

Asked in: MHT CET 2023 (12 May Shift 1)

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