反应详情

5-Benzoyl-6-(bromomethyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione (Intermediate A Step 3) (1.342 g, 3.98 mmol), (S)-methyl 3-amino-2-(((benzyloxy)carbonyl)amino)propanoate (1.207 g, 4.18 mmol) and triethylamine (1.665 ml, 11.94 mmol) were suspended in methanol (20 ml). The mixture was heated to reflux for 16 hours then cooled to room temperature and filtered. The residue was rinsed with methanol (20 ml) to afford the title compound.

1. temperatureThe mixture was heated
2. temperatureto reflux for 16 hours
3. filtrationfiltered
4. washThe residue was rinsed with methanol (20 ml)