反应详情

Using a procedure similar to Example 8, step (a), 2-chloro-3-methylnitrobenzene (264 mg, 1.53 mmol) was heated to 110° C. overnight in 3 mL of piperidine to afford 128 mg (35%) of the title compound and an undetermined amount of starting material. 1H-NMR (CDCl3; 400 MHz): δ 7.41-7.34 (m, 2H), 7.02 (t, 1H, J=7.7 Hz), 2.96-2.93 (m, 4H), 2.36 (s, 3H), 1.65 (br s, 6H).