反应详情

To a solution of (S)-1,1-diethoxypropan-2-amine (Compound XIV-1) 682 mg (3.55 mmol) in tetrahydrofuran 2 ml, benzaldehyde 337 mg (3.55 mmol) was added and the mixture was stirred at room temperature for 0.5 hour. The reaction mixture was diluted with tetrahydrofuran 3 ml and sodium triacetoxyborohydride 829 mg (3.91 mmol) was added and the mixture was stirred at room temperature for 18 hours. The reaction mixture was diluted with ethyl acetate 50 ml and washed with saturated sodium bicarbonate aq. 50 ml twice, water 50 ml twice and brine 50 ml twice. The organic phase was dried over magnesium sulfate and filtered and the mother solution was concentrated in vacuo to obtain the title compound 826 mg (98%).

1. additionwas added
2. stirringthe mixture was stirred at room temperature for 18 hours
3. washwashed with saturated sodium bicarbonate aq. 50 ml twice
4. dry with materialThe organic phase was dried over magnesium sulfate
5. filtrationfiltered
6. concentrationthe mother solution was concentrated in vacuo