N-Methylidene[bis(trimethylsilyl)methyl]amine: the first isolable and stable monomeric methanimine allowing thermal [2 + 2] cycloadditions with ketenes
N-Methylidene[bis(trimethylsilyl)methyl]amine: the first isolable and stable monomeric methanimine allowing thermal [2 + 2] cycloadditions with ketenes