Chem Sci 2024, 15 (9), 3249-3254
DOI: 10.1039/d3sc06600b
Prysiazhniuk K.; Polishchuk O.; Shulha S.; Gudzikevych K.; Datsenko O.; Kubyshkin V.; Mykhailiuk P.
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.