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(A) The reaction sequence is as follows: $1$. The starting material $A$ reacts with $NH_3$ to form an amide $(C_8H_8ClNO)$. $2$. The amide then underg

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$4-$chloro$-2-$methylbenzoyl chloride

Vedclass · Answer

(A) The reaction sequence is as follows: $1$. The starting material $A$ reacts with $NH_3$ to form an amide $(C_8H_8ClNO)$. $2$. The amide then undergoes the Hofmann bromamide degradation reaction with $Br_2$ and $NaOH$ to form an amine. $3$. Looking at the final product,which is $3-chloro-4-methylaniline$ (or a similar substituted aniline derivative),we can trace back the structure. $4$. The final product has a $Cl$ group at the ortho position and a $CH_3$ group at the meta position relative to the $NH_2$ group. $5$. The starting material $A$ must be $4-chloro-2-methylbenzoyl$ chloride,which upon reaction with $NH_3$ gives $4-chloro-2-methylbenzamide$,and subsequent Hofmann degradation yields $3-chloro-4-methylaniline$.

Consider the above reaction,the compound $A$ is

Similar Questions

Which of the following reactions are used in the preparation of aliphatic primary amines?
$I$. Gabriel-phthalimide reaction
$II$. Hoffmann Bromamide reaction
$III$. Carbylamine reaction
$IV$. Sandmeyer reaction

Which of the following is $NOT$ a correct method for the preparation of benzylamine $(C_6H_5CH_2NH_2)$ from cyanobenzene $(C_6H_5CN)$?

Aniline is not the major product in one of the following reactions. Identify that reaction.

Which of the following amines cannot be prepared by the Gabriel phthalimide synthesis method?

Which of the following reactions can produce aniline as the main product?

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