Advertisements
Advertisements
प्रश्न
Write the reactions of Williamson synthesis of 2-ethoxy-3-methylpentane starting from ethanol and 3-methylpentan-2-ol.
Advertisements
उत्तर
\[\begin{array}{cc}
\ce{CH3 - CH2 - CH - CH - CH3 ->[Na] CH3 - CH2 - CH - CH - ONa}\\
\phantom{......}|\phantom{......}|\phantom{............................}|\phantom{......}|\phantom{.}\\
\phantom{.........}\ce{\underset{3-Methylpentan-2-ol}{CH3\phantom{...}OH\phantom{}}}\phantom{....................}\ce{\underset{2,3-Dimethylpentane}{\phantom{.}CH3\phantom{..}CH3}}\phantom{..}
\end{array}\]
\[\ce{\underset{Ethanol}{C2H5OH} ->[HBr] \underset{Bromoethane}{C2H5Br}}\]
\[\begin{array}{cc}
\ce{CH3 - CH2 - CH - CH - ONa + C2H5Br -> CH3 - CH2 - CH - CH - OC2H5}\\
\phantom{.......}|\phantom{......}|\phantom{.............................................}|\phantom{......}|\phantom{...........}\\
\phantom{........}\ce{CH3\phantom{...}CH3\phantom{.....................................}}\phantom{}\ce{\underset{2-Ethoxy-3-methylpentane}{\phantom{}CH3\phantom{...}CH3}\phantom{.....}}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
How do you convert the following :
Phenol to anisole
Write the name of the reagent and the equation for the preparation of the following ether by Williamson’s synthesis:
Ethoxybenzene
Write the name of the reagent and the equation for the preparation of the following ether by Williamson’s synthesis:
2-Methoxy-2-methylpropane
Explain the following with an example.
Williamson ether synthesis
\[\ce{(CH3)3CONa + CH3CH2Cl ->[-NaCl] (CH3)3COC2H5}\] is called:
Preparation of alcohols from alkenes involves the electrophilic attack on alkene carbon atom. Explain its mechanism.
The Williamson ether synthesis produces ethers by reacting an
Which of the following compounds gives a secondary alcohol upon reaction with methylmagnesium bromide?
Write the equations for the following reaction:
Tert butyl chloride is treated with sodium ethoxide.
Williamson's synthesis of ether is an example of ______.
Which of the following reactions are feasible?
Write the mechanism of the following reaction:
\[\ce{2CH3CH2OH ->[H^+][413 K] CH3-CH2-O-CH2-CH3 + H2O}\]
Write the name of the reaction, structure and IUPAC name of the product formed when:
\[\ce{CH3CH2CH(CH3)CH(CH3) ONa}\] reacts with \[\ce{C2H5Br}\]
Write the name of reagent and equation for the preparation of the following ether by Williamson’s synthesis:
2-Methoxy-2-methylpropane
Write the name of reagent and equation for the preparation of the following ethers by Williamson’s synthesis:
2-Methoxy-2-methylpropane
Write the name of reagent and equation for the preparation of the following ethers by Williamson’s synthesis:
2-Methoxy-2-methylpropane
Write the names of reagents and equations for the preparation of the following ether by Williamson’s synthesis:
2-Methoxy-2-methylpropane
Give the structure and IUPAC name of metamers of 2-methoxy propane
Identify the product (s) is/are formed when 1-methoxy propane is heated with excess HI. Name the mechanism involved in the reaction.
