N-tert-butyl-5-(5-chloro-4-cyclopropyl-6-(3-cyclopropyl-1H-pyrazol-5-ylamino)pyrimidin-2-yl)thiophene-2-sulfonamide 在
crude product 、
乙醚 、
5-[5-chloro-4-cyclopropyl-6-[(5-cyclopropyl-2H-pyrazol-3-yl)amino]-pyrimidin-2-yl]thiophene-2-sulfonamide 作用下,
以
三氟乙酸 为溶剂,
反应 0.5h,
以to afford 5-(5-chloro-4-cyclopropyl-6-(3-cyclopropyl-1H-pyrazol-5-ylamino)pyrimidin-2-yl)thiophene-2 sulfonamide (Compound 304) (25 mg, 48%)的产率得到5-[5-chloro-4-cyclopropyl-6-[(5-cyclopropyl-2H-pyrazol-3-yl)amino]-pyrimidin-2-yl]thiophene-2-sulfonamide