(±)-3'-[6-amino-5-cyano-3-methyl-4-isopropyl-2,4-dihydropyrano[2,3-c]pyrazol-4-yl]-N-benzyl-N-methyl-5'-(trifluoromethyl)(1,1’-biphenyl)-4-sulfonamide 在
Chiralpak-IA 作用下,
以
氯仿 、
乙酸乙酯 为溶剂,
生成 4-[3-[(4~{S})-6-azanyl-5-cyano-3-methyl-4-propan-2-yl-2~{H}-pyrano[2,3-c]pyrazol-4-yl]-5-(trifluoromethyl)phenyl]-~{N}-methyl-~{N}-(phenylmethyl)benzenesulfonamide 、