SUBSTITUENT AND COORDINATION EFFECTS IN SINGLET REACTIONS OF 3-DIAZO-3H-1,2,4-TRIAZOLES WITH SUBSTITUTED BENZENES AND NITRO COMPOUNDS

Article abstract of DOI:10.1016/S0040-4039(00)95476-5

3-Diazo-3H-1,2,4-triazoles convert to singlet 3H-1,2,4-triazol-3-ylidenes which (1) effect directed electrophilic substitutions of benzenes and (2) coordinate with benzenoid substituents and nitro compounds to give decomposition or rearrangement products.