C-(Methoxycarbonyl)ketene N-imidoylimine synthesis and rearrangement into methyl 4,6-diazahepta-2,4,6-trienoates. Cycloaddition reactions with isocyanides: preparation of imidazolines
C-(Methoxycarbonyl)ketene N-imidoylimine synthesis and rearrangement into methyl 4,6-diazahepta-2,4,6-trienoates. Cycloaddition reactions with isocyanides: preparation of imidazolines