膦酸二乙酯

N，N-二（2-羟乙基）氨甲基膦酸二乙酯的合成

Synthesis of N , N-Bis ( 2 - hydroxyethyl ) aminomethyl Phosphonic Acid Diethyl Ester

改进了非卤反应型阻燃剂N，N-二（2-羟基乙基）氨甲基膦酸二乙酯（BHAPE）的合成方法。

The synthetic method for N , N-bis ( 2-hydroxyethyl ) aminomethyl phosphonic acid diethyl ester ( BHAPE ), a halogen-free reactive flame retardant , was improved .

亚甲基二膦酸二乙酯（DEMDP）是当今核医学领域应用最广泛的骨显像剂亚甲基二膦酸（MDP）的类似物。

Diethyl Methylenebisphosphnate ( DEMDP ) is an analogue of Methylene Diphosphonate ( MDP ), which is currently in wide use as bone imaging agent in nuclear medicine .

以D-核糖为起始原料，用两种不同的方法保护羟基，通过Wadsworth-Emmons反应合成1-膦酸二乙酯-D-核糖的α、β端头异构体，以达到优化其合成分离方法的目的。

In order to optimize the synthesis and separation of anomers of 1 - ( diethyl ) - 2,5-anhydro-D-ribofuranosyl phosphonate , they were synthesized by Wadsworth-Emmons reactions in which two different protected D-ribose derivatives were used as the starting materials .

甲基膦酸二乙酯分子印迹聚合物的合成与识别特性研究

Study on Synthesis and Recognition Characteristic of Diethyl Methylphosphonate Molecularly Imprinted Polymer

碱性条件下顺（2-乙酰胺基-1-溴-2-（对-甲氧基苯基）乙基）膦酸二乙酯的1,2消除反应

1,2 Elimination of syn Diethyl ( 2-acetylamino-1-bromo-2 - ( p-methoxyphenyl ) ethyl ) phosphonate under Basic Condition

报道了在碱性条件下，顺（2-乙酰胺基-1-溴-2-（对-甲氧基苯基）乙基）膦酸二乙酯进行的是-1,2-消除反应而不是所期望的亲核取代反应。

A preferential 1,2 elimination reaction of syn diethyl ( 2-acetylamino-1-bromo-2 - ( p-methoxy - phenyl ) ethyl ) phosphonate 1 rather than the anticipated nucleophilic substitution reaction under basic conditions is described in the present paper .