(R)-4-(1-((3-(difluoromethyl)-1-methyl-1H-pyrazol-4-yl)sulfonyl)-1-fluoroethyl)piperidine 、 3-Aminoisoxazole phenyl carbamate 在
silica gel 作用下,
以
乙腈 为溶剂,
反应 16.08h,
以to give the desired product as a white solid (25.6 g, 96% yield)的产率得到(R)-4-(1-((3-(difluoromethyl)-1-methyl-1H-pyrazol-4-yl)sulfonyl)-1-fluoroethyl)-N-(isoxazol-3-yl)piperidine-1-carboxamide