二苯酰

Acenaphthene was dehydrogenated to afford acenaphthylene by photochemical reaction with N bromosuccinimide in benzene with the addition of quinoline at room temperature and atmospheric pressure was studied.

在常温常压下，以苯作为溶剂，加入喹啉，使苊与N－溴代丁二酰亚胺发生光化学脱氢反应生成苊烯。

Acridine and body is acetone of synthetic pyridine, acetyl, right among its amino phenol, adjacent benzene the product such as 2 phenol, will be " 95 " the market develops a stress.

医药原料及其中间体合成吡啶、乙酰丙酮、对氨基苯酚，邻苯二酚等产品，将是"九五"市场开发重点。

It is broken down via phenylalanine to give acetyl CoA and fumaric acid.

它通过苯丙氨酸降解出乙酰辅酶 A 和反丁烯二酸。

Ib was synthesized by condensation of phthalic anhydride with 2-methylresorcinol in fused AlCl〓/NaCl (5∶1), followed by selective acetylation, methylation, NBS bromination and condensation with sodium ethoxide.

邻苯二甲酸酐在熔融的三氯化铝-氯化钠(5：1)中和-2，6-二羟基甲苯环合得1，3-二羟基-2-甲基蒽醌〓后经选择性乙酰化、甲基化、NBS溴化、乙醇钠缩合得1-甲氧基-2-乙氧甲基-3-羟基蒽醌。

In this paper, a systematic study on the wetting capacity of sulfate of myristic acid monoethanolamide was made by the canvas sinkking method, through measuring the wetting time of MMS's solution under different concentration, different temperature and different degree of hardwater and comparing with three other surfactants.

对肉豆蔻酸单乙醇酰胺硫酸酯盐的润湿性能进行了系统研究，用帆布沉降法测定了MMS在不同温度、不同质量分数溶液、不同硬水度中的润湿性能，并与其他表面活性剂十二烷基硫酸酯盐、月桂醇醚硫酸酯盐、十二烷基苯磺酸盐进行了比较。

N,N '- ditertbutyl nitroxyl radical, 2, 2,6,6- tetramethyl-4 - hydroxyl piperdinehy droxylamine and its nitroxyl radical, as inhibitors of the BPO- initiated copolymerization of styrene (M 1 ) with acrylonitrile (M2 ), at 60℃,has been studied.

研究了二叔丁基羟胺，二叔丁基氮氧自由基，2，2，6，6－四甲基－4－羟基哌啶羟胺和2，2，6，6－四甲基－4－羟基哌啶－1－氧自由基对过氧化苯甲酰60℃引发的苯乙烯（M1）－丙烯腈（M2）共聚合的阻聚行为。

A series of pyridazino[3,2-c]1,2,4-triazoles were synthesized from hydrazides and 3-aryl-6- chloro pyridazine s (3a～3d), which were obtained from substituted benzene and succinic anhydride by Friedel-Crafts reaction, cyclization with hydrazine hydrate, dehydrogenation and chloro-substitution.

以取代苯和丁二酸酐为起始原料，经Friedel-Crafts反应，肼合环，Br2/HOAc氧化脱氢后得到一系列1，6-二氢-3-芳基-6-哒嗪酮(2a～2d)。然后将2a～2d与PCl5在POCl3中回流，得到相应的氯代产物3a～3d，将其与酰肼作用，合环后得到一系列未见报道的哒嗪并[3，2-c]1，2，4-三唑类化合物。所有化合物结构均经元素分析，IR，1HNMR和MS谱得以证实，并对其波谱性质进行了讨论

Based on 26B4APBN monomer, polyamic acid was obtained by polymerization with pyromellitic dianhydride, and further imidized into polyimide film by heating process.

由二胺单体和均苯四甲酸二酐进行聚合得到26B4APBN/PMDA聚酰胺酸，再经热亚胺化得到聚酰亚胺薄膜；测试了该薄膜的接触角，讨论了单体分子结构对聚合物接触角的影响。

Preferred examples of thermal initiators include persulphates especially sodium and ammonium persulphate, peroxides especially benzoyl peroxide, t-butyl hydroperoxide and lauryl peroxide, and azos, especially azobisisobutyronitrile.

热发起者首选的例子包括硫酸盐，尤其是钠，过硫酸铵的，过氧化物尤其是过氧化苯甲酰的吨丁基过氧化氢和十二烷基过氧化物，和azos，尤其是二异丁腈。

Model compounds were synthesized from benzoyl chloride and diamine Ⅰ or diamine Ⅱ in NMP with anhydrous lithium chloride. Structures of model compounds were measured by melting point, FT-IR, element analysis and 〓H NMR. Reaction mechanism was from model reaction.

二胺Ⅰ和二胺Ⅱ分别与苯甲酰氯在含有LiCl的NMP溶液中合成模型化合物，采用熔点，FT-IR，元素分析，〓H NMR等方法对模型化合物的结构进行了表征，根据模型反应确定反应机理。

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。