反应详情

A solution of (R)-2-(3-oxo-1-tosyl-1,2,3,4-tetrahydropyrazin-2-yl)acetic acid (1.55 g, 5.0 mmol), crude 2-(5-amino-5,6,7,8-tetrahydroquinazolin-2-yl)ethanol (966 mg, 5.0 mmol), HOBT (676 mg, 5.0 mmol) and EDCI (959 mg, 5.0 mmol) in 2.5 mL of DMF was stirred overnight at room temperature. After quenching with sat. NaHCO3 solution, the reaction mixture was extracted with EtOAc. The combined organic phase was washed brine, dried over Na2SO4, and evaporated in vacuo. Flash chomatography (SiO2, EtOAc/MeOH=100:15 to 100:20 to 100:25 to 100:30) gave the desired product as a white solid. MS: 486.2 (M+1).

1. customAfter quenching with sat. NaHCO3 solution
2. extractionthe reaction mixture was extracted with EtOAc
3. washThe combined organic phase was washed brine
4. dry with materialdried over Na2SO4
5. customevaporated in vacuo