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Chapter 9: Q9-10 Pb (page 278)

Show the terminal alkyne and alkyl halide from which the following products can be obtained. If two routes look feasible, list both.

b.(CH3)2CHC鈮�CCH2CH3

Short Answer

Expert verified

Answer

b.CH32CHC鈮�CH+CH3CH2Br鈫�CH32CHC鈮�CCH2CH3

Step by step solution

01

Alkylation

Migration of the alkyl group from one molecule to another via carbanion or carbocation formation

02

Alkylation of acetylide ion

Acetylide ion is a strong nucleophile that reacts with the electrophile like alkyl halide that replaces the halide and forms alkyne. Hence new C-C bond is formed, and the old C-Br bond is broken.

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Most popular questions from this chapter

Question: Each of the following syntheses requires more than one step. How

would you carry them out?

(a)

b)

Using any alkyne needed, how would you prepare the following alkenes?

(c) 3-Methyl-1-pentene

Arrange the carbocations below in order of increasing stability.

What products would you obtain by hydration of the following alkynes?

Show the terminal alkyne and alkyl halide from which the following products can be obtained. If two routes look feasible, list both.

a.CH3CH2CH2C鈮�CH
See all solutions

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