反应详情

According to the procedure of Preparation 13 (c), except substituting 4-chloro-1-methyl-1H-indole-3-carboxaldehyde for the 1,3-dimethyl-1H-indole-2-carboxaldehyde, the title compound (1.75 g, 78%) was obtained as a yellow solid: MS (ES) m/e 209.0 (M+H)+.