反应详情

To a suspension of tert-butyl 5-(2-(3-(2-isopropoxy-2-oxoethoxy)phenyl)quinazolin-4-ylamino)-1H-indazole-1-carboxylate (0.26 mmol) in 1,4-dioxane (0.5 mL) was added a 4M solution of hydrogen chloride in 1,4-dioxane (3 mL) and stirred at RT for 16 h. The reaction mixture was concentrated in vacuo residue was purified using prep HPLC (method 10-35—90 mins) to afford isopropyl 2-(3-(4-(1H-indazol-5-ylamino)quinazolin-2-yl)phenoxy)acetate. (28 mg, 0.062 mmol, 24%)

1. concentrationThe reaction mixture was concentrated in vacuo residue
2. customwas purified