Borylated cyclobutanes via thermal [2 + 2]-cycloaddition.
Kateryna PrysiazhniukOleksandr PolishchukStanislav ShulhaKyrylo GudzikevychOleksandr P DatsenkoVladimir KubyshkinPavel K MykhailiukPublished in: Chemical science (2024)
A one-step approach to borylated cyclobutanes from amides of carboxylic acids and vinyl boronates is elaborated. The reaction proceeds via the thermal [2 + 2]-cycloaddition of in situ -generated keteniminium salts.
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