反应详情

温度

85 °C

To a mixture of 5-(2-(3-butyramidophenyl)-6-hydroxyquinazolin-4-ylamino)-1H-indazole-1-carboxylate (1.50 g, 2.79 mmol) and potassium carbonate (1.64 g, 11.8 mmol) in anhydrous DMF (5 mL) was added 1-bromo-2-chloroethane (1.6 g, 11.2 mmol) The subsequent mixture was heated at 85° C. for 4 h, upon which it was allowed to cool to RT and it was poured onto ice-water. A solid was precipitated out, which collected via filtration and dried under vacuum. The solid was purified via silica gel column chromatography to give tert-butyl 5-(2-(3-butyramidophenyl)-6-(2-chloroethoxy)-quinazolin-4-ylamino)-1H-indazole-1-carboxylate (0.94 g, 1.56 mmol, 60%). HPLC retention time 7.479.

1. temperatureto cool to RT
2. additionit was poured onto ice-water
3. customA solid was precipitated out
4. filtrationwhich collected via filtration
5. customdried under vacuum
6. customThe solid was purified via silica gel column chromatography