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Question
Write the structure of main compounds A and B in the following reaction:
\[\ce{CH3CH2CN->[CH3MgBRH/3O+]A->[LiAIH4]B}\]
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Solution
\[\begin{array}{cc}
\phantom{.........}\ce{O}\\
\phantom{.........}||\\
\ce{CH3CH2CN->[CH3MgBr/H3O+] CH3-C\underset{\text{A}}{H2}-C-CH3->[LiAIH4]CH3CH2\underset{\text{B}}{C}HCH3}
\end{array}\]
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