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Highly regioselective, ligand-differentiated platinum-catalysed hydrosilylation of propynamides

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E-pub ahead of print
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<mark>Journal publication date</mark>13/08/2025
<mark>Journal</mark>Chemical Communications
Publication StatusE-pub ahead of print
Early online date13/08/25
<mark>Original language</mark>English

Abstract

We present, for the first time, a highly regio- and stereoselective ligand-divergent hydrosilylation reaction. The methodology produces diverse amido-vinyl silanes from readily available propynamides. Employing platinum catalysis utilizing commercially available ligands, silyl-α,β-unsaturated amides are produced in synthetically useful yields (up to 91%). This methodology allows, for the first time, an unprecedented ligand differentiated hydrosilylation methodology to form β-(E)-silyl-α,β-unsaturated amides in high regioselectivity and α-silyl-α,β-unsaturated amides with complete regioselective control (>99 : 1).