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偶氮苯

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This work mainly studies on the photochemical reaction of benzylideneaniline and azobenzene derivatives, we also studies on the pharmaceutical chemistry of the product from our new reaction.

本篇论文主要是在研究苯亚甲基苯胺与对位烃基偶氮苯衍生物的光化学反应,以及所得到之产物在药性上之应用。

This new power stems from one kind of named azobenzene the organic compound, its systematic name is called the diphenyl two nitrogen alkene.

这个新动力源于一种叫做"偶氮苯"的有机化合物,它学名叫"二苯基二氮烯"。

The deoxygenation and reduction of some organic substrates with samarium diiodide were investigated.

本文研究了二碘化钐对一些有机化合物的脱氧反应,以及它在醇存在下对α-卤代酮、偶氮苯和苯醌的还原反应。

A new series of the ligands of liquid crystal polymers with T-shaped two-dimensionl mesogens was synthesied by solution condensation polymerization by using 4,4'-(α,ω-alkylenedioyloxy)-dibenzol dichlorids with 2,4-dihydroxy-4 '-alkoxyl azobenzene as the monomers.

摘 要 以4,4′-二苯甲氯和2,4-二羟基-4′-烷氧基偶氮苯为单体,通过溶液聚合,合成了一系列新的含T-型二维液晶基元的液晶高分子配体。

A new series of the ligands of liquid crystal polymers with T-shaped two-dimensionl mesogens was synthesied by solution condensation polymerization by using 4,4'-(,-alkylenedioyloxy)-dibenzol dichlorids with 2,4-dihydroxy-4'-alkoxyl azobenzene as the monomers.

以4,4′-二苯甲酰氯和2,4-二羟基-4′-烷氧基偶氮苯为单体,通过溶液聚合,合成了一系列新的含T-型二维液晶基元的液晶高分子配体。

The value of current density and the apparent active energy of electroreduction of substituted nitrobenzene depend on the electronic effect of substituted group and space resistance. o,m,p-chloronitrobenzene will be electroreduced to azoxy compounds by taking three electrons, o,m-nitrotoulene and o,m-nitrobenzoic acid will be reduced to phenol compounds by taking four electrons, and p-nitrotoulene will be reduced to the aniline by taking six electrons. According to these results, the electroreduction mechanism of the substituted aryl nitro-compounds was studied in detail.

在电还原过程中,还原峰电流和表观活化能的大小均与取代基的电子效应和空间位阻相关,同时取代硝基氯苯得3个电子将还原生成氧化偶氮苯类化合物:邻、间硝基甲苯、硝基苯甲酸得4个电子将还原生成酚类化合物;对硝基甲苯得6个电子将还原生成胺类化合物,在此基础上,探讨了各芳族硝基化合物的电还原机理。

In this dissertation, electrophilic reactions of Nitrosonium with imines, aza-Diels-Alder reactions of N-arylimines with a variety of electron rich olefinic compounds induced by NO~+, and photoreactions of N-nitrosodiphenylamine with aromatic amines were studied.

本文研究了:(1)NO~+与亚胺双健发生的亲电反应;(2)NO~+引发的芳香亚胺和富电子碳碳双键作为亲二烯体的氮杂Diels-Alder反应,高选择性地得到了一系列四氢喹啉的衍生物;(3)N—亚硝基二苯胺与芳香胺发生光化学反应得到了一系列偶氮苯类化合物。

The charges on the substituents affected OWF〓 greatly for some azobenzene derivatives, pyridone derivatives, nitrodiphenylamine derivatives, some reactive dyes and 1, 4-diamino anthraquinone derivatives, in this instance, OWF〓 changed linearly with the change of the charges.

2给电子取代基或吸电子取代基的电荷对OWF〓有较大的影响,OWF〓随电荷的变化而线性变化,如某些偶氮苯衍生物、吡啶酮类染料母体、硝基二苯胺类化合物、偶合组分和重氮组分之间夹角α变化不大的活性染料、1,4—二氨基蒽醌衍生物等。

A new monomer,4-hexanoxyl-4′-undecylene-[10]-acyloxyazobenzene was synthesized using the main materials:phenol,underlenic acid,1-bromo- n -hexane, p -nitrophenol,thionyl chloride,by the substitution,reduction,couping and diazotization methods.A new polymer was prepared by hydrosilation reaction of poly (methylhy-drosiloxane) with the monomer.

以苯酚、十一烯酸、正溴己烷、对硝基苯酚和二氯亚砜为主要原料,通过取代、还原、重氮化和偶合等反应,合成了一种新的液晶单体 4-己氧基-4′-十一烯-[10]-酰氧基偶氮苯,并与聚通过硅氢加成生成一种新的高分子液晶。

Using free radical 4-hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxyl as catalyst, the phase transfer catalyzed method of oxidation of anilines to 15 symmetrical azobenzenes with a saturated solution of potassium ferricyanide in 2N aqueous potassium hydroxide and dichloromethane was described for the first time.

用2,2,6,6-四甲基-4-羟基-1-哌啶氮氧自由基为催化剂,芳胺类化合物在饱和铁氰化钾的氢氧化钾溶液和二氯甲烷的两相转移催化下合成了15 个对称取代偶氮苯

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I can not make it blossom and suits me

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When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

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