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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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Identify the following named reaction
\[\ce{C2H5Br ->[NaOCH3] C2H5OCH3}\]
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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 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
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 ether 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 reagent and equation for the preparation of the following ether by Williamson’s synthesis:
2-Methoxy-2-methylpropane
Consider the following reaction:
Identify products A and B.
