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प्रश्न
Write the reactions of Williamson synthesis of 2-ethoxy-3-methylpentane starting from ethanol and 3-methylpentan-2-ol.
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उत्तर
\[\begin{array}{cc}
\phantom{}\ce{CH3 - CH2 - CH - CH - OH ->[Na] CH3 - CH2 - CH - CH - ONa}\phantom{}\\
\phantom{........................}|\phantom{.........}|\phantom{............................................}|\phantom{.........}|\phantom{...............}\\
\phantom{................}\ce{CH3}\phantom{....}\ce{CH3}\phantom{.....................................}\ce{CH3}\phantom{....}\ce{CH3}\phantom{...}\\
\end{array}\]
\[\ce{C2H5OH ->[HBr] C2H5Br}\]
\[\begin{array}{cc}
\phantom{}\ce{CH3 - CH2 - CH - CH - ONa + C2H5Br}\phantom{}\\
\phantom{.}|\phantom{.........}|\phantom{..........}\\
\phantom{..}\ce{CH3}\phantom{....}\ce{CH3}\phantom{.......}\\
\phantom{}\ce{\downarrow}\phantom{.....}\\
\phantom{}\ce{CH3 - CH2 - CH - CH - OC2H5}\phantom{......}\\
\phantom{.........}|\phantom{.........}|\phantom{..........}\\
\phantom{..........}\underset{\text{2-Ethoxy-3-methylpentane}}{\ce{CH3}\phantom{....}\ce{CH3}}\phantom{.......}
\end{array}\]
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संबंधित प्रश्न
How do you convert the following :
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Ethoxybenzene
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1-Methoxyethane
How is 1-propoxypropane synthesised from propan-1-ol? Write mechanism of this reaction.
Explain the following with an example.
Williamson ether synthesis
Williamson's synthesis of preparing dimethyl ether is a/an ____________.
Dehydration of alcohol to ethers is catalysed by:
Explain why low molecular mass alcohols are soluble in water.
Identify the following named reaction
\[\ce{C2H5Br ->[NaOCH3] C2H5OCH3}\]
Name the suitable alcohol and reagent, from which 2-Chloro-2-methyl propane can be prepared.
Write the mechanism of the following reaction:
\[\ce{2CH3CH2OH ->[H^+][413 K] CH3-CH2-O-CH2-CH3 + H2O}\]
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
Write the name of reagent and equation for the preparation of the following ethers by Williamson’s synthesis:
2-Methoxy-2-methylpropane
Short Answer Question.
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 reagent and equation for the preparation of the following ether by Williamson’s synthesis:
2-Methoxy-2-methylpropane
