Advertisements
Advertisements
प्रश्न
Show how is the following alcohol prepared by the reaction of a suitable Grignard reagent on methanal?
\[\begin{array}{cc}
\ce{CH3 - CH - CH2OH}\\
|\phantom{......}\\
\ce{CH3}\phantom{...}
\end{array}\]
Advertisements
उत्तर
\[\begin{array}{cc}
\phantom{..........}\ce{OMgBr}\\
\phantom{....}|\\
\ce{CH3 - CH - MgBr + HCHO -> CH3 - CH - CH2 ->[H2O] CH3 - CH - CH2OH + Mg(OH)Br}\\
|\phantom{.................................}|\phantom{......................}|\phantom{...................}\\
\phantom{.}\ce{CH3}\phantom{.............................}\ce{CH3}\phantom{...................}\ce{CH3}\phantom{.................}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
How do you convert the following : Propan-2-ol to 2-methylpropan-2-ol
Show how is the following alcohol prepared by the reaction of a suitable Grignard reagent on methanal?
Predict the major product of acid catalysed dehydration of 1-methylcyclohexanol.
How is the following conversion carried out?
\[\ce{Ethyl magnesium chloride -> Propan-1-ol}\]
How is the following conversion carried out?
\[\ce{Methyl magnesium bromide → 2-Methylpropan-2-ol}\]
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?
Aldehydes react with Grignard reagent to produce ____________.
Monochlorination of toluene in sunlight followed by hydrolysis by aq. \[\ce{NaOH}\] yields.
Benzaldehyde differs from acetaldehyde in that:
Identify ‘C’ in the following:
How can propan-2-one be converted into tert- butyl alcohol?
The best reagent to convert pent 3 – en 2 – 01 into pent 3 – in – 2 – one is
The major product of acid catalysed dehydration of 1-methylcyclohexanol is ______.
\[\ce{C3H8O ->[{[O]}][K2Cr2O7/H2SO4] C3H6O ->[I2 + NaOH(aq.)] CHI3}\]
In this reaction the first compound is:
The major product of the following reaction is:
\[\begin{array}{cc}
\ce{Cl}\phantom{.........................}\\
|\phantom{..........................}\\
\ce{CH3 - CH - CH3 ->[(i) Alc. KOH][(ii) HBr/peroxide (iii) aq. KOH]}
\end{array}\]
How are the following conversions carried out?
\[\ce{Methyl magnesium bromide->2-Methylpropan-2-ol}\]
How are the following conversion carried out?
\[\ce{Methyl magnesium bromide -> 2-Methylpropan-2-ol}\]
