ABC26OR0387 · Reagents Reaction Mechanisms and Named Reactions
Subject: Organic Chemistry · Chapter: Reagents Reaction Mechanisms and Named Reactions · Topic: Reagents, Reaction Mechanisms & Named Reactions – General · Exam: CSIR-NET DEC 2018 · Marks: 2 · Difficulty: Easy
The correct sequence of reagents to be used for the following conversion is- 
(a)I) $\mathrm{LDA}, \mathrm{EtBr}$; II) EtLi ; III) $\mathrm{H}_{3} \mathrm{O}^{+}$
(b)I) EtLi ; II) $\mathrm{LDA}, \mathrm{EtBr}$; III) $\mathrm{H}_{3} \mathrm{O}^{+}$
(c)I) $\mathrm{H}_{3} \mathrm{O}^{+}$; II) EtLi ; III) LDA, EtBr
(d)I) EtLi ; II) $\mathrm{H}_{3} \mathrm{O}^{+}$; III) $\mathrm{LDA}, \mathrm{EtBr}$
Answer
Answer (as printed): A
Explanation
The mechanism of the reaction is shown below:
Explanation as extracted from the printed page; notation may be imperfect.