rac-4-(1H-indazol-5-yl)-2-methyl-6-(trifluoromethyl)-1,4-dihydropyridine-3,5-dicarbonitrile 在
chiral silica gel phase based on the selector poly(N-methacryloyl-L-leucine-tert-butylamide) 作用下,
以
2-甲基戊烷 、
乙酸乙酯 为溶剂,
生成 4-(1H-indazol-5-yl)-2-methyl-6-(trifluoromethyl)-1,4-dihydropyridine-3,5-dicarbonitrile 、 4-(1H-indazol-5-yl)-2-methyl-6-(trifluoromethyl)-1,4-dihydropyridine-3,5-dicarbonitrile