5(4H)-Oxazolone, 2-(4-bromophenyl)-4-(1-ethoxybutylidene)-, (4Z)- 、 (S)-Azetidine-2-carboxylic acid [(S)-1-carbamoyl-2-(4-hydroxy-phenyl)-ethyl]-amide 以
四氢呋喃 、
二甲基亚砜 为溶剂,
生成 (S)-1-{1-[2-(4-Bromo-phenyl)-5-oxo-oxazol-(4Z)-ylidene]-butyl}-azetidine-2-carboxylic acid [(S)-1-carbamoyl-2-(4-hydroxy-phenyl)-ethyl]-amide