5-(2-ethyl-8-methoxyquinolin-5-yl)-2-[4-[2-fluoro-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenoxy]butyl]-4,4-dimethyl-2,4-dihydro-pyrazol-3-one 在
Daicel Chiralpak AS-H column 作用下,
以
乙醇 为溶剂,
生成 (+)-5-(2-ethyl-8-methoxyquinolin-5-yl)-2-[4-[2-fluoro-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenoxy]butyl]-4,4-dimethyl-2,4-dihydro-pyrazol-3-one 、 (+)-5-(2-ethyl-8-methoxyquinolin-5-yl)-2-[4-[2-fluoro-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenoxy]butyl]-4,4-dimethyl-2,4-dihydro-pyrazol-3-one