3-(3-fluoro-phenyl)-4-hydroxy-4-trifluoromethyl-1,4,5,7-tetrahydro-pyrazolo[3,4-b]pyridin-6-one 以
乙醇 为溶剂,
生成
(R)-3-(3-fluoro-phenyl)-4-hydroxy-4-trifluoromethyl-1,4,5,7-tetrahydro-pyrazolo[3,4-b]pyridin-6-one 、
(S)-3-(3-fluoro-phenyl)-4-hydroxy-4-trifluoromethyl-1,4,5,7-tetrahydro-pyrazolo[3,4-b]pyridin-6-one