A DFT study of the [4+2] cycloadditions of conjugated ketenes (vinylketene, imidoylketene and formylketene) with formaldimine. The pericyclic or pseudopericyclic character from magnetic properties

1. Peña-Gallego, A.
2. Rodríguez-Otero, J.
3. Cabaleiro-Lago, E.M.