亚胺
- 与 亚胺 相关的网络例句 [注:此内容来源于网络,仅供参考]
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New contributions of this work are as follows:(1). Preparation of Spherical MgCl_2-Supported Late-Transition Metal Catalysts for Ethylene PolymerizationFacile and effective immobilization of late-transition metal catalysts. 2,3-bis-(2,6-diisopropylphenyl) butane diimine nickel dibromide (1) and 2,6-bis-[1-(2,4,6-trimethylphenylimino)ethyl]pyridine iron dichloride (2), for ethylene polymerization has been achieved, using spherical MgCl_2 supports obtained by thermal dealcoholization of MgCl_2·2.56C_2H_5OH, and the effects of dealcoholization temperature on supported late-transition metal catalysts and the properties of resultant polymers were studied, the results indicated that:1.Supports with appropriate mechanical strength, high surface area and high porosity could be prepared by thermal dealcoholization of spherical MgCl_2·2.56C_2H_5OH supports; 2.BET, XRD, IR, SEM, GPC and DSC analyses indicate that the activities of the supported late-transition metal catalysts and the properties of resultant polymers are strongly dependent on the dealcoholization temperature.
本工作的新贡献如下:(1)、球形氯化镁负载后过渡金属催化荆催化乙烯聚合本文将配合物2,3-双(2,6-二异丙基苯亚胺)丁烷二溴化镍(1)和配合物2,6-二[1-(2,4,6-三甲基苯亚胺)乙基]吡啶二氯化铁(2)分别直接负载于经不同热脱醇温度处理的球形氯化镁载体上,研究了氯化镁载体的脱醇温度对负载化后过渡金属催化剂及其聚合物的影响,研究表明:1、通过对球形MgCl_2·2.56C_2H_5OH载体进行热脱醇处理,可以获得合适机械强度、较高比表面积和较高孔隙度的球形氯化镁载体;2、BET,XRD,IR,SEM,GPC和DSC研究表明,脱醇温度极大地影响负载后过渡金属催化剂的活性和聚合物的性能。
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New contributions of this work are as follows:(1). Preparation of Spherical MgCl_2-Supported Late-Transition Metal Catalysts for Ethylene Polymerization Facile and effective immobilization of late-transition metal catalysts. 2,3-bis-(2,6-diisopropylphenyl) butane diimine nickel dibromide (1) and 2,6-bis-[1-(2,4,6-trimethylphenylimino)ethyl]pyridine iron dichloride (2), for ethylene polymerization has been achieved, using spherical MgCl_2 supports obtained by thermal dealcoholization of MgCl_2·2.56C_2H_5OH, and the effects of dealcoholization temperature on supported late-transition metal catalysts and the properties of resultant polymers were studied, the results indicated that: 1.Supports with appropriate mechanical strength, high surface area and high porosity could be prepared by thermal dealcoholization of spherical MgCl_2·2.56C_2H_5OH supports; 2.BET, XRD, IR, SEM, GPC and DSC analyses indicate that the activities of the supported late-transition metal catalysts and the properties of resultant polymers are strongly dependent on the dealcoholization temperature.
本工作的新贡献如下:(1)、球形氯化镁负载后过渡金属催化荆催化乙烯聚合本文将配合物2,3-双(2,6-二异丙基苯亚胺)丁烷二溴化镍(1)和配合物2,6-二[1-(2,4,6-三甲基苯亚胺)乙基]吡啶二氯化铁(2)分别直接负载于经不同热脱醇温度处理的球形氯化镁载体上,研究了氯化镁载体的脱醇温度对负载化后过渡金属催化剂及其聚合物的影响,研究表明: 1、通过对球形MgCl_2·2.56C_2H_5OH载体进行热脱醇处理,可以获得合适机械强度、较高比表面积和较高孔隙度的球形氯化镁载体; 2、BET,XRD,IR,SEM,GPC和DSC研究表明,脱醇温度极大地影响负载后过渡金属催化剂的活性和聚合物的性能。
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Iodine was found to be an efficient catalyst for the imino Diels-Alder reaction of N -arylimine with enol ethers to provide tetrahydroquinolines in good yields.
发现碘能够有效地催化N-芳基亚胺和烯醇醚之间的亚胺Diels-Alder反应,以较高的产率得到四氢喹啉衍生物。
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In addition, ioding was found to be an efficient catalyst for the imino Diels-Alder reaction of N-arylimine and enol ethers and the reaction provided tertrahydroqinolines in good yields. One pot synthesis of tetrahydroqinolines from aldehyde, aniline and enol ethers was also achieved using iodine as the catalyst. The chemical yield of the"one pot"reaction was comparable with that obtained using preformed N-arylimine.
此外我们也发现碘能够有效地催化N-芳基亚胺与烯醇醚的Diels-Alder反应,以很高的化学收率得到了四氢喹啉衍生物,并且发现碘也能够直接催化芳香醛、苯胺、烯醇醚的三组分"一锅"反应,获得的化学产率与使用预制的N-芳基亚胺相当。
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2 New carbonyl functionalized imide derivatives of maleimide were synthesized by the direct reaction of amino acids with maleic anhydride.
用氨基酸与苹果酸酐直接反应,合成了两个含羧基官能团的苹果酰亚胺,为氨基酸氮端的保护以及含羧基官能团的酰亚胺类化合物的合成提供了一种直接、简便的新方法。
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The results of FR-IR demonstrated that different imide time influence imide degree, and different solidifying temperature effecte thermal endurance.
通过红外光谱FT-IR分析亚胺化时间不同对亚胺化程度的影响;不同固化温度,对耐热性的影响,从而确定最佳合成工艺。
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In this thesis, we have studied a series of new types of imine involved cascade reactions and liquid phase syntheses.
本论文在全面综述了亚胺参与的各种加成反应的基础上,研究了一系列亚胺参与的新型串联反应和液相平行合成方法,主要内容和结果如下:1。
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Ni compounds are excellent catalysts for the reduction of nitroaromatics and SiO_2 is a commonly-utilized catalyst for imine formation.
镍类催化剂是硝基还原的优秀催化剂,SiO_2是亚胺合成的常用促进剂,因而Ni/SiO_2很有可能是从芳香族硝基化合物和醛一锅合成亚胺的优良多功能催化剂。
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Besides,through Arbuzov reaction,Vilsmer-Haack Hydroformylation,Wittig-Horner reaction,nitryl hydrogenation deoxidize,and imidization five steps synthesized another compound which included hole-transporting,electron-transporting and luminescence materials.
此外,又通过Arbuzov反应、Vilsmer-Haack甲酰化反应、Wittig-Horner反应生成二苯乙烯、硝基加氢还原、酰亚胺化5步反应合成了一种集空穴传输-电子传输-发射三位一体的新型苝酰亚胺化合物。
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In order to obtained the six-membered ring compound and a thorough assignment of the spectra, and further to prove that the six-membered ring compound was formed from the hydrogen transfer, the compound N-butyl-4-(N-methylphenylamino)-5-amino- 1, 8-naphthalimide 6 was designed to obtained with N-butyl-4-bromo-5-amino-1, 8-naphthalimide and N-methyl phenylamine as the starting material. However it was difficult to obtain the desired product as the different solvent giving the different products except the desired product.
为了能够得到六元环化合物作为定标的物质及其确切的谱图分析结果,并且为了进一步证明由五元环产物通过氢转移得到六元环产物的正确性,设计用N-丁基4-溴-5-氨基-1,8-萘酰亚胺与N-甲基苯胺反应生成N-丁基-4--5-氨基-1,8-萘酰亚胺6,结果发现这种方法很难实现,选择不同的溶剂会生成不同的产物,却都不是目标产物。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力