通过磷酰氯与手性仲胺的亲核取代反应高产率地合成了手性HMPA 类似物。
The chiral HMPA analogues were prepared in high yield by nucleophilic substitution between the chiral secondary amine and phosphoryl chloride.
同时概述了仲胺、二胺、多胺及其衍生物的应用。
Meanwhile the applications of secondary amine, diamine, polyamine and their derivatives were summarized also.
仲胺有机催化剂的催化性能优于叔胺和伯胺的催化性能。
The catalytic performance of the secondary amine catalyst is generally superior to the primary amine and tertiary amine catalyst.
本文叙述了脂肪仲胺的生产方法及反应机理,研究了最佳反应条件。
This paper were introduced the production method and reaction mechanism of fatty secondary amine was studies also on optimum reaction condition.
文章介绍了伯胺、仲胺、叔胺及空间位阻胺溶液反应的机理和动力学。
The reaction mechanism and kinetics of CO2 with primary, secondary, tertiary and steric hindered amines are described.
研究了仲胺7203(简写为7203)萃取铌硫氰酸盐络合物的性能及其机理。
The extraction properties and mechanism of niobium thiocyanate complex with secondary amine 7203 are studied.
以磷酰氯为原料通过与手性仲胺的亲核取代反应高产率地合成了手性HMPA类似物。
The chiral HMPA analogues 1 and 2 were prepared in high yield by nucleophilic substitution between the chiral secondary amine and phosphoryl chloride.
将母体染料的中位氯原子用氨基试剂亲核取代,衍生合成了五个中位仲胺七甲川菁染料。
Five derivative dyes from the parent dyes were obtained by similar nucleophilic substitution reaction in which five primary amines were employed as the nucleophilic reagent.
采用合成氨厂的氨合成气代替纯氢气使脂肪腈加压催化氢化 ,可一步制得双脂肪烃基仲胺。
A new process has been developed to synthesize p-aminophenol methyl ether from p-nitrophenol methyl ether by catalytic hydrogenation, using ammonia synthesis gas instead of pure hydrogen.
由于某些促进剂中含有仲胺,这是亚硝胺的主要来源,因此人们正在考虑使用一类新的促进剂。
Due to secondary amines existed in some accelerants, which is the main source of nitrosamine, so it is considered to use a new type of accelerant.
这些材料包括各种丙烯酸单体和低聚物、伯胺、仲胺和叔胺、酸官能单体和低聚物、硅酮、蜡和弹性体等。
These materials include a variety of acrylic monomers and oligomers, primary, secondary and tertiary amines, acid-functional monomers and oligomers, silicones, waxes and elastomers, among others.
双氢化牛脂基仲胺主要用于除草剂、二氧杂环乙烷聚合物的稳定剂、纤维的防水剂、抗静电剂和柔软剂等方面。
Mainly used in herbicide, two heterocyclic oxygen ethane polymer stabilizers, waterproofing agent, antistatic agent and softening agent of fiber, etc.
本实验采用环氧树脂、有机仲胺、聚酰胺和封闭异氰酸酯为主要原料,合成了固体分在70%的阳离子型环氧聚合物树脂;
An epoxy resin, an organic secondary amine, a polyamide and a blocked isocyanate are selected as main materials to synthesize polymer resin with solid content of 70%.
根据与氮相连结的活性氢原子的多寡与有无,讨论了伯、仲、叔胺类溶剂化能力的强弱。
The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
根据与氮相连结的活性氢原子的多寡与有无,讨论了伯、仲、叔胺类溶剂化能力的强弱。
The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
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