反应详情

2,3,4,9-Tetrahydro-1H-carbazol-1-one was prepared from aniline (2.9 g, 31 mmol) and 2-(hydroxymethylene)cyclohexanone (3.5 g, 28 mmol) in a similar manner as described above to give 2.5 g (49%). of a brown solid. 1H-NMR (DMSO-d6): δ 11.6 (s, 1H), 7.66 (d, 1H), 7.38 (d, 1H), 7.30 (t, 1H), 7.07 (t, 1H), 2.90 (t, 2H), 2.56 (t, 2H), 2.15 (m, 2H); MS m/z 186 (M+1).

1. customto give 2.5 g (49%)