Question

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What is Etard reaction,Gatterman – Koch reaction,Clemmensen Reduction and Wolff Kishner Reduction

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Answer 1

What is Etard reaction=DescriptionThe Étard reaction is a chemical reaction that involves the direct oxidation of an aromatic or heterocyclic bound methyl group to an aldehyde using chromyl chloride. For example, toluene can be oxidized to benzaldehyde,

Koch reaction =The Koch reaction is an organic reaction for the synthesis of tertiary carboxylic acids from alcohols or alkenes. The reaction is a strongly acid-catalyzed carbonylation using carbon monoxide, and typically occurs at high pressures ranging from 50 to 5,000 kPa,

Clemmensen reduction =DescriptionClemmensen reduction is a chemical reaction described as a reduction of ketones to alkanes using zinc amalgam and concentrated hydrochloric acid. This reaction is named after Erik Christian Clemmensen, a Danish chemist.

The Wolff Kishner reduction = this is a reaction used in organic chemistry to convert carbonyl functionalities into methylene groups. In the context of complex molecule synthesis, it is most frequently employed to remove a carbonyl group after it has served its synthetic purpose of activating an intermediate in a preceding step

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