Single Choice

$$(CH_3)_2CHCHO+CH_3MgBr \xrightarrow {ether} A \xrightarrow {H_3O^+} B$$ The IUPAC name of '$$B$$' is :

A2-methylbutan-3-ol
BPentan-2-ol
C3-methylbutan-2-ol
Correct Answer
D2-methylbutan-2-ol

Solution

$$(CH_3)_2CHCHO+CH_3MgBr\xrightarrow{ether,H_3O^+}(CH_3)_2CHCH(OH)CH_3$$

The reaction of aldehyde (RCHO) with Grignard reagent (RMgX) gives a secondary alcohol.

SIMILAR QUESTIONS

Alcohols, Phenols and Ethers

Primary alcohols are obtained by the reaction of Grignard reagent with :

Alcohols, Phenols and Ethers

The coupling between $${C}_{2}{H}_{5}MgBr$$ and $$MeBr$$ gives propane in the presence of:

Alcohols, Phenols and Ethers

Propane is not formed when $${C}_{3}{H}_{7}MgBr$$ is treated with _________ .

Alcohols, Phenols and Ethers

Propyl lithium reacts with ethene to give a compound $$(A)$$ which on reaction with methanal followed by acidic hydrolysis gives compound $$(B)$$ is:

Alcohols, Phenols and Ethers

Alcohol is not formed when $$RMgX$$ is treated with:

Alcohols, Phenols and Ethers

Ethanoic propanoic anhydride on reaction with excess of MeMgBr gives the major product

Alcohols, Phenols and Ethers

The reaction of methyl magnesium iodide with acetone followed by hydrolysis gives secondary butanol.

Alcohols, Phenols and Ethers

How are the following conversions carried out? Methyl magnesium bromide $$\rightarrow$$ 2-Methylpropan-2-ol.

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