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(D) Gabriel phthalimide synthesis is specifically used for the preparation of primary $(1^{\circ})$ aliphatic amines. It involves the reaction of pota

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Ethylamine

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(D) Gabriel phthalimide synthesis is specifically used for the preparation of primary $(1^{\circ})$ aliphatic amines. It involves the reaction of potassium phthalimide with an alkyl halide,followed by alkaline hydrolysis. Since aryl halides do not undergo nucleophilic substitution with the phthalimide anion,aromatic amines (like aniline) cannot be prepared by this method. Secondary and tertiary amines are also not prepared by this method. Among the given options,ethylamine $(CH_3CH_2NH_2)$ is a primary aliphatic amine,whereas aniline is aromatic,and the others are secondary or tertiary amines.

Gabriel phthalimide synthesis is used for the preparation of which of the following?

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