methyl 2-(4-{[(benzyloxy)carbonyl]amino}-3-methylphenyl)-4,5-dihydro-1,3-oxazole-4-carboxylate 、
2-bromo-1,1,1-trichloro-ethane 、
1,8-二氮杂双环[5.4.0]十一碳-7-烯 在
silica gel 、
ethyl acetate n-hexane 作用下,
以
二氯甲烷 为溶剂,
以to obtain 0.7 g of the title compound as a colorless solid (49%)的产率得到methyl 2-(4-{[(benzyloxy)carbonyl]amino}-3-methylphenyl)-1,3-oxazole-4-carboxylate