Chemistry - AMINES Question with Solution | TestHub

ChemistryAMINESPREPARATION OF AMINESMedium2 minQB
ChemistryMediumsingle choice
Passage / Comprehension

Treatment of compound O with KMnO4 / H+ gave P, which on heating with ammonia gave  The compound Q on treatment with Br2 / NaOH produced R. On strong heating, Q gave S, which on further treatmenet with ethyl 2-bromopropanoate in the presence of KOH following by acidification, gave a compound T.

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The compound R is :

Options:

Answer:
A
Solution:

Question Explanation: Question is asking about on the basis of given information in comprehension.

Concept: This question involves multiple reactions and synthesis techniques:

1. Side-chain oxidation of aromatic compounds

2. Preparation of amides

3. The Hofmann bromamide reaction (Hofmann degradation of amides)

4. The Gabriel phthalimide synthesis

Solution:

image.png

Q to R is Hoffmann's bromamide degradation reaction

S to T is Gabriel's phthalimide synthesis.

Stream:JEESubject:ChemistryTopic:AMINESSubtopic:PREPARATION OF AMINES
2mℹ️ Source: QB

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