羟乙基乙二胺

以N－β－羟乙基乙二胺为原料合成哌嗪，研制出一种高活性和选择性铜／载体型催化剂，并探讨了催化剂组成等因素对反应的影响。

This paper is concerned about the catalyst for the synthesis of piperazine with N (β hydroxyl ethyl ) ethylenediamine ( HEDA ) as raw material . A new supported copper catalyst with high reactivity and selectivity was developed .

聚羟基脂肪酸酯产生菌筛选及其在E.coli工程菌中表达与代谢机理研究以脂肪酸、-羟乙基乙二胺、酸按不同比例分别合成了四种脂肪酸咪唑啉硼酸单酯和三酯。

Isolation and Identification of Polyhydroxyalkanoates Producing Bacteria , Relevant Gene Expression in E.coli and Research of Its Metabolic Mechanism ; Four imidazoline borates were synthesized with two kinds of fatty acid , N-hydroxyethyl-ethylenediamine , boric acid according to the different ratio of reaction materials .

以甲苯为溶剂可显著提高β羟乙基乙二胺环合生成哌嗪的选择性。

Toluene was employed as solvent to increase the reaction selectivity .

连续法合成N-β-羟乙基乙二胺的研究

A method of N - β - Hydroxyethyl-ethylenediamine continuous synthesis

N-β-羟乙基乙二胺的合成研究

Study on the synthesis of n - (β - hydroxyethyl ) ethylenediamine

N-羟乙基乙二胺三醋酸（有机螯合剂）

HEDTA ( N-hydroxyethyl ethylene diamine triacetic acid )

塔式精馏反应器在羟乙基乙二胺合成中的应用

The Application of Distillation Column Reactor to Synthesis of N - β - Hydroxyethylenediamine

羟乙基乙二胺合成的宏观动力学研究

Macrokinetics Study of Synthesizing N-Hydroxyethyl-ethylenediamine

本文简要介绍了N-β-羟乙基乙二胺的物理化学性质、生产状况以及相关用途。

The paper has reviewed physical and chemical properties , production status and related uses of N-B - Hydroxyethyl - ethylenediamine .

以脂肪酸、-羟乙基乙二胺、酸按不同比例分别合成了四种脂肪酸咪唑啉硼酸单酯和三酯。

Four imidazoline borates were synthesized with two kinds of fatty acid , N-hydroxyethyl-ethylenediamine , boric acid according to the different ratio of reaction materials .

采用适合该反应的塔式精馏反应器，可使N-β-羟乙基乙二胺的收率达到86%，产品纯度达99%。

EO temperature 30 ℃ . The yield of N - β - Hydroxyethyl-ethylenediamine can be increased to 86 % and the purity of product can be increased to 99 % through the special gas-liquid distillation column reactor which is suitable for this kind of reaction .

以尿素和N-（羟乙基）乙二胺作为起始原料，通过缩合、氯代反应，制得1-（2-氯乙基）-2-咪唑烷酮，总收率可达88.7%。

A new method of 1 - ( 2-Chloroethyl ) - 2-imidazolidinone was synthesized from urea and N - ( hydroxyethyl ) ethylenediamine as raw material by condensation and chlorination reactions . The total yield of it was reached 88.7 % .