It has been found that the substitution occurs at 7-position of 8-substituted dibenzo-1,3a,6a-triazapentalene in the electrophilic reactions. This is compatible with the results of HMO and SCF-MO calculations.
No takes yet. Share an insight, caveat, or question.
Tsuge et al. (1973) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: