反应详情

温度

0 °C

Heat a stirred solution of 3-tert-butoxycarbonyl-7-chloro-6-(3-fluoro-4-methoxycarbonylbenzylthio)-2,3,4,5-tetrahydro-1H-benzo[d]azepine (3.56 g, 7.44 mmol) in THF (50 mL) and water (40 mL) overnight at 65° C. in the presence of potassium hydroxide (8.30 g, 148.77 mmol). Cool the mixture to 0° C., add slowly a 1N solution of hydrochloric acid until pH 5. Extract three times with EtOAc, dry over anhydrous Na2SO4 and concentrate in vacuo to provide the desired intermediate as a white solid (3.5 g, 99%).

1. extractionExtract three times with EtOAc
2. dry with materialdry over anhydrous Na2SO4
3. concentrationconcentrate in vacuo