2-(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yloxy)benzoic acid 、
[Amino-(4-bromo-phenyl)-methyl]-phosphonic acid diethyl ester 在
N,N'-二环己基碳二亚胺 作用下,
以
氯仿 为溶剂,
以88%的产率得到O,O-diethyl N-[2-(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yloxy)benzoxyl]-1-amino-1-(4-bromophenyl)methyl phosphonate