6-{[(2S)-2-cyclopentyl-2-{4-[(5-oxo-2-phenyl-5,6-dihydro-4H-1,3,4-oxadiazin-4-yl)methyl]phenyl}-acetyl]amino}heptanoic acid 在
Daicel Chiralpak OJ-H 作用下,
以
乙醇 、
2-甲基戊烷 为溶剂,
生成 6-{[(2S)-2-cyclopentyl-2-{4-[(5-oxo-2-phenyl-5,6-dihydro-4H-1,3,4-oxadiazin-4-yl)methyl]phenyl}-acetyl]amino}heptanoic acid 、 6-{[(2S)-2-cyclopentyl-2-{4-[(5-oxo-2-phenyl-5,6-dihydro-4H-1,3,4-oxadiazin-4-yl)methyl]phenyl}-acetyl]amino}heptanoic acid