4-(3,5-dichloro-pyridin-2-yloxy)-1,2-dinitrobenzene 、
二甲基磷酰甲胺 在
乙酸乙酯 、
乙醚 作用下,
以
甲苯 为溶剂,
反应 2.0h,
以There are obtained, in the form of yellow crystals, 4.9 g (84% of theory) of N-[2-nitro-5-(3,5-dichloro-2-pyridyloxy)-phenyl]-P,P-dimethyl-aminomethylphosphine oxide, m.p. 153°-155° C.的产率得到[5-(3,5-Dichloro-pyridin-2-yloxy)-2-nitro-phenyl]-(dimethyl-phosphinoylmethyl)-amine