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प्रश्न
Write the reactions of Williamson synthesis of 2-ethoxy-3-methylpentane starting from ethanol and 3-methylpentan-2-ol.
उत्तर
\[\begin{array}{cc}
\ce{CH3 - CH2 - CH - CH - CH3 ->[Na] CH3 - CH2 - CH - CH - ONa}\\
\phantom{......}|\phantom{......}|\phantom{............................}|\phantom{......}|\phantom{.}\\
\phantom{.........}\ce{\underset{3-Methylpentan-2-ol}{CH3\phantom{...}OH\phantom{}}}\phantom{....................}\ce{\underset{2,3-Dimethylpentane}{\phantom{.}CH3\phantom{..}CH3}}\phantom{..}
\end{array}\]
\[\ce{\underset{Ethanol}{C2H5OH} ->[HBr] \underset{Bromoethane}{C2H5Br}}\]
\[\begin{array}{cc}
\ce{CH3 - CH2 - CH - CH - ONa + C2H5Br -> CH3 - CH2 - CH - CH - OC2H5}\\
\phantom{.......}|\phantom{......}|\phantom{.............................................}|\phantom{......}|\phantom{...........}\\
\phantom{........}\ce{CH3\phantom{...}CH3\phantom{.....................................}}\phantom{}\ce{\underset{2-Ethoxy-3-methylpentane}{\phantom{}CH3\phantom{...}CH3}\phantom{.....}}
\end{array}\]
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संबंधित प्रश्न
Explain the mechanism of the following reaction:
How do you convert the following :
Phenol to anisole
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1-Propoxypropane
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Dehydration of alcohol to ethers is catalysed by:
Williamson's synthesis of ether is an example of ______.
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 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 name of the reagent and equation for the preparation of the following ether by Williamson’s synthesis:
2-Methoxy-2-methylpropane
Write the name of reagents and equations for the preparation of the following ethers by Williamson’s synthesis:
2-Methoxy-2-methylpropane
Identify the product (s) is/are formed when 1-methoxy propane is heated with excess HI. Name the mechanism involved in the reaction.
Write the name of the reagent and equation for the preparation of the following ether 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 the metamers of 2-methoxy propane.
