Fig. 3
Reaction scope for the formation of 3-benzazocinones 2. Reaction conditions: 1 (0.2 mmol), HOTf (0.001 mmol), PhCl (4 mL), 80 °C, 4 h, in vials; yields are those for the isolated products. a1 mol% of HOTf was used. bUsing 10 mol% of Zn(OTf)2 as catalyst and 5 Å molecular sieve (MS) as additive. c100 °C, 60 h. d100 °C, 4 h
