ABC26OR0414 · Reagents Reaction Mechanisms and Named Reactions
Subject: Organic Chemistry · Chapter: Reagents Reaction Mechanisms and Named Reactions · Topic: Carbonyl Chemistry · Exam: CSIR-NET DEC 2019 · Marks: 2 · Difficulty: Hard
E1cb mechanism is followed in the reaction of:
(a)2-bromopentane with t-BuOK to give pent-2-ene.
(b)Nitromethane with benzaldehyde in the presence of KOH to give $\beta$-styrene.
(c)Bromobenzene with $mathrm{NaNH_2}$ to give aniline.
(d)P-chloronitrobenzene with NaOMe to give p-nitroanisole.
Answer
Explanation
See the reactions below: The reaction below follows E2 mechanism. The reaction below follows E1cB mechanism. The reaction below follows Elimination addition/ Benzyne mechanism. The reaction below follows addition/ elimination mechanism.
Explanation as extracted from the printed page; notation may be imperfect.
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