Ma. Zharnikova et al., Nucleophilic substitution in naphthalodinitrile: II. Synthesis and properties of 4-amino-5-nitrophthalodinitrile and its N-acyl derivatives, RUSS J G CH, 69(11), 1999, pp. 1791-1792
Ammonia was reacted with 4-bromo-5-nitrophthalodlinitrile in DMF to obtain
4-amino-5-nitrophthalodinitrile. The product was acylated with acetic anhyd
ride and benzoyl chloride.