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Chapter two: Using 5-(4-aminophenyl)-10,15,20-triphenylporphyrin as thestarting compound, the classical diazotization of aniline and the resulting reaction ofdiazo salts were applied to porphyrin for the first time, and a series of asymmetriclysubstituted meso-tetraarylporphyrins including 5-(4-chlorophenyl)-10,15,20-triphenylporphyrin, 5-(4-iodinphenyl)-10,15,20-triphenylporphyrin, 5-(4-cyanophenyl)-10,15,20-triphenylporphyrin, 5-(4-bisphenyl)-10,15,20-triphenylporphyrin and 5-(4-hydroxylphenyl)-10,15,20-triphenylporphyrin were synthesized.

第二章：在已合成的5-(4-氨基苯基)-10，15，20-三苯基卟啉基础上，首次将芳胺的重氮化及重氮盐反应应用于卟啉，合成了5-(4-氯苯基)-10，15，20-三苯基卟啉、5-(4-碘基苯基)-10，15，20-三苯基卟啉、5-(4-氰基苯基)-10，15，20-三苯基卟啉、5-(4-联苯基)-10，15，20-三苯基卟啉和5-(4-羟基苯基)-10，15，20-三苯基卟啉等一系列不对称取代的meso-四芳基卟啉。

Thenew route has some advantages such as simple operation, inexpensive materials andbetter yield compare to other synthesis routes.The synthesis route is showed as follows. First,-2-chloro-3-phenylpropionic acid is synthesized from L-phenylalanine by diazotization.

在参考大量文献的基础上，我们设计了一条新的合成路线，和其它合成路线相比较本路线具有操作简单、原料易得、收率较高等优点。

According to concerned papers ,we have chosen the way in which diquat dibromide is synthesized from 2,2-bipyridyls and ethylene dibromide. This paper makes further research into its technology, thus obtaining better synthesizing conditions.

本文在查阅大量文献的基础上，采用以2，2'-联吡啶和1，2-二溴乙烷为原料合成敌草快二溴盐的合成路线，并对其合成工艺进行了深入的研究，筛选出较佳的工艺条件。

The dual-site phase-transfer catalyst, 1,4-bisbenzene dibromide, was synthesized in toluene solution at 70℃ from p-xylylene dibromide and tributylamine.

双活性基相间转移触媒是由二溴对二甲苯与三丁胺以甲苯为溶剂在70℃下反应生成溴化1，4-二苯。

Two bispyrazolylimine nickel complexes [bis-N-(phenyl-1,3,5-dimethylpyrazolylmethylene) phenylimine nickel dibromide] (Cat.1) and [bis-4-methoxy-N-(phenyl-1,3,5-dimethylpyrazolylmethylene) phenylimine nickel dibromide] (Cat.2) were synthesized.

合成了两种双吡唑亚胺镍配合物：双－N-（苯基－1-3，5-二甲基吡唑基亚甲基）苯基亚胺二溴化镍Cat.1）和双－4-甲氧基－N-（苯基－1-3，5-二甲基吡唑基亚甲基）苯基亚胺二溴化镍

54 2 Have been synthesized by the reaction of di(p-chlorbenzyl)tin dichloride with sodium dithiocarbamate .

利用二二氯化锡和吗啉氨荒酸钠、N， N-二乙基氨荒酸钠反应，合成了二锡双吗啉氨荒酸酯C24H28Cl2N2O2S4Sn Mr = 694。

We synthesized the dienophile 62 from L-malic acid and then heated together with diene 73 afforded the cycloaddition product.

我们由L-苹果酸出发合成了亲双烯体62，并实现了底物诱导的Diels-Alder反应。

It can be synthesized in the liver, but is a dietary requirement.

它可以在肝脏中合成的，但需要在饮食上有要求

It was found that the synthesized polymer of BDME can dissolve the low boiling point impregnant system which could settle the problem both the diffluence of BMI and the consistence of BMI and EP.

结果表明：合成的BDME共聚物可溶于低沸点溶剂体系，解决了双马来酰亚胺聚合物的溶解以及与环氧树脂共混时的相容性问题。

In this paper, on the basis of predecessor research,β-diketone derivative ligand, Pyrazolyl ligand and their eight transition metal complexes were synthesized.

本论文是在前人研究的基础上选择合成并表征了一种β-二酮类配体和一种多吡唑类配体及其八个过渡金属配合物，并解析了它们的单晶结构，进行了元素分析、红外光谱、紫外光谱等表征，并研究了它们的发光性能和热稳定性能。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。