反应详情

To a solution of 1-(7-(3,4-dimethoxyphenylamino)thiazolo[5,4-d]pyrimidin-5-yl)piperidine-3-carboxylic acid (80 mg, 0.19 mmol) and methyl 4-amino-2-hydroxybenzoate (32 mg, 0.19 mmol) in dichloromethane (15 mL) were added the solution of 1-methyl-1H-imidazole (63 mg, 0.76 mmol) and EDCI (147 mg, 0.76 mmol) in dichloromethane (5 mL), the reaction mixture was stirred at room temperature for 24 hours, the solvent was removed in vacuo, methanol (5 mL) was added, the precipitate was collected by filtration to afford methyl4-(1-(7-(3,4-dimethoxyphenylamino)thiazolo[5,4-d]pyrimidin-5-yl)piperidine-3-carboxamido)-2-hydroxybenzoate (110 mg, crude) which was used directly in the next step without further purification. LC-MS: tR=565 [M+H]+, 1.64 min.

1. customthe solvent was removed in vacuo, methanol (5 mL)
2. additionwas added
3. filtrationthe precipitate was collected by filtration