Aliphatic Compounds Containing Nitrogen - Result Question 2
####2. Ethylamine $\left(C _2 H _5 NH _2\right)$ can be obtained from $N$-ethylphthalimide on treatment with
(2019 Main, 10 April I)
(a) $NaBH _4$
(b) $NH _2 NH _2$
(c) $H _2 O$
(d) $CaH _2$
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Answer:
Correct Answer: 2. (b)
Solution:
- The reaction for the production of ethylamine from $N$-ethylphthalimide can be takes place as follows:
This reaction is the second step of Gabriel phthalimide synthesis for the preparation of aliphatic $1^{\circ}$-amines and amino acid. In this step concentrated alkali can also be used in place of hydrazine.
