4-(4-chlorophenyl)-5-(1,5-dimethyl-6-oxo-1,6-dihydropyridin-3-yl)-3-methyl-1-(1-methyl-1H-pyrazol-5-yl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one 在
Chiralpak AD-H 作用下,
以
甲醇 、
二氧化碳 为溶剂,
以40%的产率得到(R)-4-(4-chlorophenyl)-5-(1,5-dimethyl-6-oxo-1,6-dihydropyridin-3-yl)-3-methyl-1-(1-methyl-1H-pyrazol-5-yl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one