反应详情

The compound was synthesized starting from benzimidazol-5-amine (2.66 g; 20 mmol; 1 eq.), 4-dimethylaminobenzaldehyd (3.28 g; 22 mmol; 1.1 eq.), NaBH4 (1.14 g; 30 mmol; 1.5 eq.) and 5 N NaOH (20 ml; 100 mmol; 5 eq.) according to method 2; Yield: 3.24 g (61.0%); MS m/z: 166.3; 1H-NMR (500 MHz, DMSO d6): δ 2.83 (s, 6H); 4.13 (s, 2H); 5.83 (br s, 1H); 6.53 (br s, 1H); 6.60 (dd, 1H, 4J=2.1 Hz, 3J=8.5 Hz); 6.66-6.68 (m, 2H); 7.17-7.20 (m, 2H); 7.25-7.26 (m, 1H); 7.83 (s, 1H); 11.86 (br s, 1H)

1. customThe compound was synthesized