1: 6-methoxy-2-(2-methyl-1-propenyl)naphthalene With para-dicyanobenzene; ammonia in water; acetonitrile Addition; elimination; 3 h; Irradiation; 2: acetic anhydride Acetylation;

para-dicyanobenzene; ammonia in water; acetonitrile Addition; elimination; 3 h; Irradiation; Title compound not separated from byproducts;