4-(2-Chloro-phenyl)-6-methyl-1-(2,2,2-trifluoro-ethyl)-1,4-dihydro-pyridine-2,3,5-tricarboxylic acid 5-isopropyl ester 2,3-dimethyl ester 在
sodium hydroxide 作用下,
以
1,4-二氧六环 为溶剂,
生成 4-(2-Chloro-phenyl)-6-methyl-1-(2,2,2-trifluoro-ethyl)-1,4-dihydro-pyridine-2,3,5-tricarboxylic acid 5-isopropyl ester