反应详情

Suspended 3,4-Dimethoxy-N-[3-(1,2,3,4-tetrahydro-isoquinolin-7-ylcarbamoyl)-benzyl]-benzamide hydrochloride (50.0 mg, 0.104 mmol) in 2 mL of THF. To this was added AcOH (0.06 mL, 1.0 mmol) and benzaldehyde (0.016 mL, 0.150 mmol). The mixture stirred for 1 h. To this was added NaBH(OAc)3 (63.3 mg, 0.300 mmol). The mixture stirred for 50 h. LC-MS analysis indicated the desired product. Concentrated the mixture to dryness. Redissolved in CH2Cl2/MeOH and applied to a SiO2 prep plate. Eluted with (10% MeOH/1% NH3/CH2Cl2) to give 40.6 mg of N-[3-(2-Benzyl-1,2,3,4-tetrahydro-isoquinolin-7-ylcarbamoyl)-benzyl]-3,4-dimethoxy-benzamide. MS, electrospray 536.4 (M+H).

1. stirringThe mixture stirred for 50 h