O,O-diethyl-1-(2-cyanoguanidino)-1-methylpropylphosphonate 、
hexafluoroacetone ethoxycarbonylimine 以
乙醚 为溶剂,
反应 6.0h,
以56%的产率得到{1-[N'-(6-Ethoxy-4,4-bis-trifluoromethyl-4H-[1,3,5]oxadiazin-2-yl)-guanidino]-1-methyl-propyl}-phosphonic acid diethyl ester