反应详情

Following the procedure as described in PREPARATION 2A, and making non-critical variations to replace isatin with 4-chloro-1H-indole-2,3-dione, and (2-bromoethyl)cyclopropane with ethyl bromoacetate, the title compound was obtained (95%) as a colorless solid: 1H NMR (300 MHz, CDCl3) δ 7.48 (t, 1H), 7.08 (d, 1H), 6.67 (d, 1H), 4.47 (s, 2H), 4.23 (q, 2H), 1.27 (t, 3H); MS (ES+) m/z 268.6 (M+1).