反应详情

A mixture of 5-chloro-1-(4-hydroxyphenyl)-2-methyl-1H-indole-3-carbaldehyde (0.63 g, 2.2 mmol), hydroxylamine hydrochloride (0.30 g, 4.3 mmol), methanol (25 mL) and pyridine (1 mL) was reacted according to the procedure used in Example 4 to afford a white solid (68%): mp 212-213° C.; 1H NMR (DMSO-d6): δ 2.29 (3H, s), 6.96 (3H, d, J=8.7 Hz), 7.12 (1H, dd, J=2.2 Hz, J=8.7 Hz), 7.24 (2H, d, J=8.7 Hz), 8.03 (1H, d, J=2.1 Hz), 8.40 (1H, s), 9.93 (1H, s), 10.75 (1H, s); MS m/Z (M+H)+ 301/303 (1 Cl). Anal. for C16H13ClN2O2: Calc'd: C, 63.90; H, 4.36 N, 9.31. Found: C, 63.63; H, 4.12; N, 9.17.

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