反应详情

The title compound was obtained following procedure described for Intermediate 1 step 2 but starting from 3-methylsulfonylbenzonitrile (3.03 g; 16.72 mmol) to give the title compound as a white powder (2.69 g, 75%). 1H NMR (DMSO-d6, 300 MHz) δ 9.88 (s, 1H), 8.21 (t, J=1.68 Hz, 1H), 8.00 (dt, J=1.44, 7.93 Hz, 1H), 7.91 (dt, J=1.49, 7.80 Hz, 1H), 7.66 (t, J=7.84 Hz, 1H), 6.03 (s, 2H), 3.23 (s, 3H).