{5-chloro-6-methyl-4-oxo-3-[4-({4-[(trifluoromethyl)oxy]phenyl}oxy)phenyl]-1,4-dihydro-2-pyridinyl}methyl dihydrogen phosphate 、
三羟甲基氨基甲烷 以
丙酮 为溶剂,
反应 5.5h,
以91.7%的产率得到{5-chloro-6-methyl-4-oxo-3-[4-({4-[(trifluoromethyl)oxy]phenyl}oxy)phenyl]-1,4-dihydro-2-pyridinyl}methyl dihydrogen phosphate tromethamine salt