5-(3-methylbenzo[d]isoxazol-6-yl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile 、
硫酸 在
5-(3-methylbenzo[d]isoxazol-6-yl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxamide 作用下,
以
water ice 为溶剂,
反应 4.0h,
以This resulted in 500 mg (67%) of 5-(3-methylbenzo[d]isoxazol-6-yl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxamide as a light yellow solid的产率得到5-(3-methylbenzo[d]isoxazol-6-yl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxamide