[(2,4-Dichloro-phenyl)-(2-{[(2,4-dichloro-phenyl)-(diethoxy-phosphoryl)-methyl]-amino}-ethylamino)-methyl]-phosphonic acid diethyl ester 、
异氰酸异丙酯 在
三乙胺 作用下,
以
甲苯 为溶剂,
反应 3.0h,
以44%的产率得到{(2,4-Dichloro-phenyl)-[1-(2-{1-[(2,4-dichloro-phenyl)-(diethoxy-phosphoryl)-methyl]-3-isopropyl-ureido}-ethyl)-3-isopropyl-ureido]-methyl}-phosphonic acid diethyl ester