Q24 · CSIR NET Chemistry, December 2013
Paper: CSIR NET December 2013 · Subject: Organic Chemistry · Chapter: Reagents, Reaction Mechanisms & Named Reactions · Topic: Named Reactions · Marks: 2 · Difficulty: Easy
The major product formed in the following reaction is: 
1. $\mathrm{Hg(OAc)_2}$, $\mathrm{H_2SO_4}$ 
1. $\mathrm{Hg(OAc)_2}$, $\mathrm{H_2SO_4}$ (a)
(b)
(c)
(d)
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
Hg(OAc)₂/H₂SO₄ hydrates the terminal alkyne (Markovnikov) to the 1,4-diketone PhCOCH₂CH₂COCH₃; Paal–Knorr with benzylamine gives N-benzyl-2-methyl-5-phenylpyrrole (d).
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