Table 1. Scope of aryl carbamic chlorides with different substituents ^a .

^aReaction conditions: 1a (0.2 mmol), 2 (0.4 mmol), Pd(OAc)₂ (0.02 mmol), PPh₃ (0.04 mmol), NBE (0.2 mmol), and Cs₂CO₃ (0.8 mmol) in DCE (2 mL) at 95 °C for 6 h.

^bRegioselectivity ratio (the major isomer is substituted at the 3-position as drawn).

^cThe reaction was conducted in toluene.