4-[5-(3-{[2-(difluoromethoxy)phenyl](hydroxy)methyl}-2-methylimidazo[1,2-a]pyrazin-6-yl)pyrimidin-2-yl]piperazin-2-one 在
Chiralcel OD-H 作用下,
以
甲醇 为溶剂,
生成 (R)-4-[5-(3-{[2-(difluoromethoxy)phenyl](hydroxy)methyl}-2-methylimidazo[1,2-a]pyrazin-6-yl)pyrimidin-2-yl]piperazin-2-one 、 (S)-4-[5-(3-{[2-(difluoromethoxy)phenyl](hydroxy)methyl}-2-methylimidazo[1,2-a]pyrazin-6-yl)pyrimidin-2-yl]piperazin-2-one