1-[1-(4-fluorophenyl)ethyl]-3-[N-hydroxy-C-[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]carbonimidoyl]piperidin-2-one 在
phosphorus pentoxide 作用下,
以
乙醇 为溶剂,
以29%的产率得到7-[1-(4-fluorophenyl)ethyl]-3-[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]-5,6-dihydro-4H-[1,2]oxazolo[5,4-b]pyridine