Advertisements
Advertisements
प्रश्न
How is the following conversion carried out?
\[\ce{Methyl magnesium bromide → 2-Methylpropan-2-ol}\]
Advertisements
उत्तर
When methyl magnesium bromide is treated with propane, an adduct is the product which gives 2-methylpropane-2-ol on hydrolysis.
\[\begin{array}{cc}
\ce{H3C}\phantom{..................................}\\
\backslash\phantom{.............................}\\
\ce{C = O + CH3 - MgBr ->}\phantom{.}\\
/\phantom{............................}\\
\ce{H3C}\phantom{..................................}
\end{array}\]\[\begin{bmatrix}
\ce{CH3}\phantom{..}\\
|\phantom{....}\\
\ce{CH3 - C - \overset{-}{O}\overset{+}{Mg}Br}\\
|\phantom{....}\\
\ce{\underset{Adduct}{CH3}}\phantom{..}\\
\end{bmatrix}\]\[\begin{array}{cc}
\ce{OH}\phantom{......}\\
|\phantom{........}\\
\ce{->[H2O]CH3 - C - CH3 + Mg(OH)Br}\\
|\phantom{........}\\
\ce{\underset{2-Methylpropan-2-ol}{CH3}}\phantom{.....}\\
\end{array}\]
APPEARS IN
संबंधित प्रश्न
What is meant by hydroboration-oxidation reaction? Illustrate it with an example.
Show how will you synthesize 1-phenylethanol from a suitable alkene.
Show how you would synthesise the following alcohol from an appropriate alkene?
Aldehydes are reduced to the corresponding alcohols by the addition of hydrogen in the presence of catalysts to form ____________.
Alkenes convert into alcohols by ____________.
Acetone reacts with Grignard reagent to form:
Select the acid(s) which cannot be prepared by Grignard reagent.
The reagent used for dehydration of an alcohol is
The best reagent to convert pent 3 – en 2 – 01 into pent 3 – in – 2 – one is
When alcohol react with concentrated H2SO4 intermediate compound formed is
Alkaline hydrolysis of an alkyl halide can be preferably carried out using ______.
The major product of acid catalysed dehydration of 1-methylcyclohexanol is ______.
The products "A" and "B" formed in above reactions are:
\[\ce{C3H8O ->[{[O]}][K2Cr2O7/H2SO4] C3H6O ->[I2 + NaOH(aq.)] CHI3}\]
In this reaction the first compound is:
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.
Ceric aminonium nitrate and CHCl3/alc. KOH are used for the identification of functional groups present in ______ and ______ respectively.
How are the following conversions carried out?
\[\ce{Methyl magnesium bromide->2-Methylpropan-2-ol}\]
