A new general route to N-protonated azomethine ylides from N-(silylmethyl)amidines and -thioamides. Cycloaddition of synthetic equivalents of nitrile ylides
A new general route to N-protonated azomethine ylides from N-(silylmethyl)amidines and -thioamides. Cycloaddition of synthetic equivalents of nitrile ylides