反应详情

温度

80 °C

A 20 mL vial is charged with 5-(6-chloroimidazo[1,2-a]pyrazin-2-yl)-2-(trifluoromethyl)aniline (0.813 g, 2.6 mmol), acetonitrile (14 mL) and pyridine (0.420 mL). The mixture is added trimethylacetyl chloride (0.640 mL, 5.2 mmol) and stirred for 20 min at 80° C. The acetonitrile solution is concentrated onto celite and purified by silica gel chromatography (0-100% EtOAc in Hexanes) to give the title compound (256 mg, 25% yield). LCMS m/z=397.5 [M+H]+, tR=2.62 min. (compound same as Example 85)

1. concentrationThe acetonitrile solution is concentrated onto celite
2. custompurified by silica gel chromatography (0-100% EtOAc in Hexanes)