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Chapter 8: Q50Ec (page 262)

Question:How would you carry out the following transformations? Tell what

reagents you would use in each case.

Short Answer

Expert verified

Answer

The reagent used in the reaction is CH3Cl,KOH:

Step by step solution

01

Carbenes  

A carbene is intermediate, and these are highly reactive. Some of the examples of carbenes are methylene, phenylcarbene, dialkylcarbene etc.

02

Types of carbenes

Carbenes are of two types: one is singlet carbine, and the other is triplet carbine. Singlet carbene contains paired electrons in one empty orbital. Triplet carbene contains two unpaired electrons in two empty orbitals.

03

Reagent used in the reaction

The formation of a 1,1 -dichlorocyclopropane ring from the double bonds of an alkene can be performed with the formation of a carbine intermediate. Carbene intermediate can be formed with the help of a reagent CH3Cl,KOH.

Hence, the reagent used in the reaction is CH3Cl,KOH:

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Most popular questions from this chapter

Question:How would you carry out the following transformations? Tell what

reagents you would use in each case.

(a)

Question: How many alkene products, including E, Z isomers, might be obtained by dehydration of 3-methyl-3-hexanol with aqueous sulfuric acid?

An unknown hydrocarbon A with the formula C6H12 reacts with 1 molar equivalent ofH2 over a palladium catalyst. Hydrocarbon A also reacts withOsO4 to give diol B. When oxidized withKMnO4 in acidic solution, A gives two fragments. One fragment is propanoic acid, CH3CH2CO2H, and the other fragment is ketone C. What are the structures of A, B, and C? Write all reactions, and show your reasoning.

Show the structures of alkenes that give the following products on oxidative cleavage with in acidic solution

d.CHC3H2C=OCH2CH2CH2CH2CO2H

What products would you obtain from catalytic hydrogenation of the following alkenes?
See all solutions

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