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प्रश्न
How is the following conversion carried out?
\[\ce{Methyl magnesium bromide → 2-Methylpropan-2-ol}\]
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उत्तर
When methyl magnesium bromide is treated with propane, an adduct is the product which gives 2-methylpropane-2-ol on hydrolysis.
\[\begin{array}{cc}
\ce{H3C}\phantom{..................................}\\
\backslash\phantom{.............................}\\
\ce{C = O + CH3 - MgBr ->}\phantom{.}\\
/\phantom{............................}\\
\ce{H3C}\phantom{..................................}
\end{array}\]\[\begin{bmatrix}
\ce{CH3}\phantom{..}\\
|\phantom{....}\\
\ce{CH3 - C - \overset{-}{O}\overset{+}{Mg}Br}\\
|\phantom{....}\\
\ce{\underset{Adduct}{CH3}}\phantom{..}\\
\end{bmatrix}\]\[\begin{array}{cc}
\ce{OH}\phantom{......}\\
|\phantom{........}\\
\ce{->[H2O]CH3 - C - CH3 + Mg(OH)Br}\\
|\phantom{........}\\
\ce{\underset{2-Methylpropan-2-ol}{CH3}}\phantom{.....}\\
\end{array}\]
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संबंधित प्रश्न
Name the reagents used in the following reactions:
Write the main product(s) in each of the following reactions:
How do you convert the following : Propan-2-ol to 2-methylpropan-2-ol
How is the following conversion carried out?
\[\ce{Propene -> Propan-2-ol}\]
How is the following conversion carried out?
\[\ce{Benzyl chloride -> Benzyl alcohol}\]
Name the reagent used in the following reaction:
Dehydration of propan-2-ol to propene.
Show how you would synthesise the following alcohol from an appropriate alkene?
Write the structure of main compounds A and B in the following reaction:
\[\ce{CH3CH2CN->[CH3MgBRH/3O+]A->[LiAIH4]B}\]
Ketones react with Grignard reagent to produce ____________.
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Monochlorination of toluene in sunlight followed by hydrolysis by aq. \[\ce{NaOH}\] yields.
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Acetone reacts with Grignard reagent to form:
Explain a process in which a biocatalyst is used in industrial preparation of a compound known to you.
Select the acid(s) which cannot be prepared by Grignard reagent.
Carboxylic acids are more acidic than phenol and alcohol because of
Glycerol is used in the manufacture
Alkaline hydrolysis of an alkyl halide can be preferably carried out using ______.
Given below are two statements:
Statement I: On heating with KHSO4, glycerol is dehydrated and acrolein is formed.
Statement II: Acrolein has a fruity odour and can be used to test glycerol's presence.
Choose the correct option.
