2-(3-{[6-amino-5-(trifluoroacetyl)pyridin-2-yl]amino}piperidin-1-yl)-6-(2,4-dichlorophenyl)pyridine-3-carbonitrile 在
Daicel Chiralpak AS-H, 5 μm, 250 mm×20 mm column 作用下,
以
2-甲基戊烷 、
异丙醇 为溶剂,
生成 (S)-2-(3-{[6-amino-5-(trifluoroacetyl)pyridin-2-yl]amino}piperidin-1-yl)-6-(2,4-dichlorophenyl)pyridine-3-carbonitrile 、 (R)-2-(3-{[6-amino-5-(trifluoroacetyl)pyridin-2-yl]amino}piperidin-1-yl)-6-(2,4-dichlorophenyl)pyridine-3-carbonitrile