(R)-3-hydroxy-2-methoxy-7,8,9,10-tetrahydrobenzo[e]pyrido[1,2-a][1,4]diazepin-12(6aH)-one 、
1-(4-(2-(3,5-bis(bromomethyl)phenoxy)ethoxy)phenyl)ethanone 在
caesium carbonate 、 potassium iodide 作用下,
以
丙酮 为溶剂,
以61%的产率得到(6aR,6a'R)-3,3'-(5-(2-(4-acetylphenoxy)ethoxy)-1,3-phenylene)bis(methylene)bis(oxy)bis(2-methoxy-7,8,9,10-tetrahydrobenzo[e]pyrido[1,2-a][1,4]diazepin-12(6aH)-one)