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Rosenmund Reaction

Rosenmund Reduction: Introduction

Reaction principle

The synthesis of aldehydes from acyl halides can be carried out in two ways. The first method employs catalytic hydrogenation with a metallic catalyst, for example platinum. This reaction is referred to as Rosenmund reduction. Alternatively, acyl halides can be reduced to aldehydes with complex metal hydrides. Mild reducing agents, such as sodium borohydride and lithium tri-tert-butoxyaluminum hydride, have to be used to stop the reaction at the aldehyde stage.


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