反应详情

The title compound was prepared by a method analogous to that described in Steps 3-4 of Intermediate 20, using 7-(ethoxycarbonyl)quinoline 1-oxide. 1H NMR (400 MHz, DMSO-d6, δ): 8.08 (s, 1H), 7.90 (d, 1H), 7.71-7.62 (m, 2H), 7.21 (s, 1H), 6.84 (d, 1H), 2.91 (d, 3H).