N-tert-butyl-5-(4-(5-cyclopropyl-1H-pyrazol-3-ylamino)-5-(3-hydroxypropyl)pyrimidin-2-yl)thiophene-2-sulfonamide 在
potassium carbonate 、
甲醇 、 5-[4-[(5-cyclopropyl-1H-pyrazol-3-yl)amino]-5-(3-hydroxypropyl)pyrimidin-2-yl]thiophene-2-sulfonamide 作用下,
以
三氟乙酸 为溶剂,
反应 1.5h,
以to afford the desired compound 5-(4-(5-cyclopropyl-1H-pyrazol-3-ylamino)-5-(3-hydroxy propyl)pyrimidin-2-yl)thiophene-2-sulfonamide (Compound 311) (6 mg, 66.7%, two step)的产率得到5-[4-[(5-cyclopropyl-1H-pyrazol-3-yl)amino]-5-(3-hydroxypropyl)pyrimidin-2-yl]thiophene-2-sulfonamide