反应详情

A mixture of 1-(7-(3,4-dimethoxyphenylamino)thiazolo[5,4-d]pyrimidin-5-yl)pyrrolidine-3-carboxylic acid (95 mg, 0.236 mmol), tert-butyl 4-aminobenzoate (59 mg, 0.306 mmol), HATU (116 mg, 0.306 mmol) and DIEA (91 mg, 0.708 mmol) in 10 mL of DMF was stirred at room temperature for 72 hours. The solvent was evaporated at 80° C. at reduced pressure and the residue was purified by silica gel chromatography (silica gel 200-300 mesh, eluting with a mixture of ethyl acetate and petroleum ether (1:1)) to give tert-butyl 4-(1-(7-(3,4-dimethoxyphenylamino)thiazolo[5,4-d]pyrimidin-5-yl)pyrrolidine-3-carboxamido)benzoate (105 mg, 77%) as a solid. LC-MS: 577.2 [M+H]+, tR=1.69 min

1. customThe solvent was evaporated at 80° C. at reduced pressure
2. customthe residue was purified by silica gel chromatography (silica gel 200-300 mesh
3. washeluting with a mixture of ethyl acetate and petroleum ether (1:1))