Selectivity in cycloadditions to vinylheterocumulenes. [2 + 2] and [4 + 2] Cycloaddition of (diethylamino)propyne to vinyl isocyanate and vinyl isothiocyanate
Selectivity in cycloadditions to vinylheterocumulenes. [2 + 2] and [4 + 2] Cycloaddition of (diethylamino)propyne to vinyl isocyanate and vinyl isothiocyanate