ethyl 4-phenylisoxazole-3-carboxylate 、
N-叔丁氧羰基-1,2-乙二胺 在
silica gel 、
二氯甲烷 、
乙酸乙酯 、
ethyl acetate n-hexane 作用下,
反应 2.0h,
以In this manner there were obtained 5.0 g (84%) of t-butyl [2-(4-phenyl-3-isoxazolecarboxamido)ethyl]carbamate as white crystals, melting point 170°-171°的产率得到t-butyl [2-(4-phenyl-3-isoxazolecarboxamido)ethyl]carbamate