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Aldehydes, Ketones and Carboxylic Acids
Reduction, Dehydration and Wurtz-Fittig Reaction Sequence
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Concepts tested
- multi-step reaction sequence
All Questions
2023 1 question
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Identify the final product [D] obtained in the following sequence of reactions,
LiAlH4 reduces the carbonyl to an alcohol, H2SO4 dehydrates it, HBr adds, and Wurtz-Fittig coupling gives D.
$CH_3-CHO\xrightarrow{LiAlH_4}CH_3CH_2OH\xrightarrow{H_2SO_4}CH_2=CH_2\xrightarrow{HBr}CH_3CH_2Br$ (C) Wurtz-Fittig reaction gives (D). [add image] $LiAlH_4$ used for reduction of carbonyl group into alcohol and $H_2SO_4$ used for dehydration of alcohol.