rac-2-(difluoromethyl)-6-methyl-4-(3-methyl-1H-indazol-5-yl)-1,4-dihydropyridine-3,5-dicarbonitrile 、
胆碱碳酸氢盐 在
氩 、
四氢呋喃 作用下,
以
乙醇 为溶剂,
反应 73.0h,
以to yield 56 mg (56% of th.) of the title compound as a yellow solid的产率得到2-hydroxy-N,N,N-trimethylethanaminium 3,5-dicyano-2-methyl-4-(3-methyl-1H-indazol-5-yl)-6-(difluoromethyl)-4H-pyridin-1-ide