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Firstly, a series of organic molecules which use phthalimido group as electron acceptor, N as electron donor, COO~- as eletrofugal group were synthesized based on SET-promoted photocyclization processes. These compounds were irradiated by 500 W ultraviolet under nitrogen atmosphere in room temperature. After filtration of the photochemical character of these molecules, substrate S1 and S2 were selected as appropriate model reactants. Secondly, the monosubstituted derivatives at the 6-position ofβ-cyclodextrin were synthesized as chiral template of photocyclization.

首先,以单电子转移机理为指导,设计了一系列以邻苯二甲酰亚胺基为电子受体、N为电子给体、羧基为离去基团的光环合反应底物,这些化合物在氮气保护下以500瓦紫外光室温下进行光照反应,对这一系列的分子的反应情况进行了研究与筛选,最终选择底物S1和S2作为研究光环合反应中立体控制方法的模型底物;其次,又合成了一系列6-位单取代β-环糊精,以此作为光环合反应的手性模板。

In this project, a series of novel polypyridine ligands and their ruthenium complexes were synthesized. The scope of this work is focused on the construction of multinuclear complexes, the controlling of electron and energy transfer in polynuclear complexes, NLO materials and molecular recognition, The results should be of value in further understanding the properties of the Ru complex, as well as laying the foundation for the rational design of Molecular devices based on Ru complexes.

本课题的主要目的是应用化学手段,设计合成出一系列结构新颖的多吡啶配体及其钌配合物,在多核配合物的构筑、电子和能量转移调控、非线性光学材料和分子识别等方面进行重点研究,旨在进一步丰富和发展钌多吡啶配合物化学。

Further study of the interaction between NodD and naringenin by FRET technology is underway.

通过对naringenin分子上六个不同位点,不同性质,长度连接链以及母体和荧光团之间两种连接方式的11个荧光标记物的合成以及生物活性评价,我们找到了一个荧光标记物,它保留了野生型naringenin约20%的活性,并将其用于根瘤菌固氮过程的研究,发现该荧光标记物能够顺利进入根瘤菌活细胞中,为下一步通过FRET技术研究naringenin和NodD蛋白之间的相互作用打下了基础。

Most of the substances in the deposit were the nonsticky calcium carbonate and fines that could adhere to the sticky contaminants and deposit together, resulting in a great deal of the deposit.

对福建南平纸厂网前压力筛处的胶粘物进行分离和分析发现,以聚醋酸乙烯酯和聚丙烯酸酯为代表的人工合成聚合物以及机械浆中的木材树脂是产生胶粘物的根本来源,但它们在胶粘物沉积中的含量只有5%左右。

The copolymer of N isopropylacrylamide and acrylamido azobenzene was synthesized for the study of the effect of the photoisomerization of a water soluble copolymer containing azobenzene groups on the photocontrolled release behavior of liposomes.

为了研究侧链含有偶氮苯基的水溶性共聚物的光异构化对脂质体内包容物的光控释放的影响,设计合成了N-异丙基丙烯酰胺和丙烯酰胺基偶氮苯的共聚物。

Two organosulfonate complexes, [M22]·H2O (M=Cd 1, M=Pb 2), were obtained from the reaction of 1,10-phenanthroline, sodium 4-aminonaphthalene-1-sulfonate tetrahydrate and Cd2·2H2O or Pb (NO3)2 in a mixed solvent of water and methanol at 25 ℃. The compounds were characterized by elemental analysis, IR, and X-ray diffraction single crystal structure analyses.

合成了2个新型有机磺酸配合物,[Cd22]·H2O(1)和[Pb22]·H2O(2)(phen=1,10-邻菲咯啉,ans=4-氨基-1-萘磺酸根),通过元素分析、红外光谱等对配合物进了表征,用X-射线单晶衍射方法测定了配合物的单晶结构。

Finally, two tetranuclear Cu~(2+) complexes were constructed from a new salen ligand with alkoxo groups. The two complexes were obtained by the reaction of the same ligand with Cu~(2+) in different solvents, i.e., a stage tetranuclear complex and a pseudo-cubane tetranuclear complex in MeOH and THF, respectively.

最后,本文以Schiff碱类过渡金属配合物发展应用为研究背景,设计并合成了一种新型Schiff碱及其两种构型的Cu金属配合物,发现所设计的具有和三个Schiff碱配体,与Cu_2在不同的反应溶剂中进行配位反应时,可以得到不同结构的配合物。

A series of lanthanide complexes (Ln = Er, Nd, Yb) with infrared emission properties were designed and synthesized by using different anionic ligands [1 -phenyl-3-methyl-4-(4-tertbutylbenzoyl)-5-pyrazolone and l-phenyl-3-methyl-4--5-pyrazolone and 2-naphtoyl trifluoroacetone] and netural ligands (2,2-dipyridine, phenanthroline, triphenylphosphine oxide and water). Three crystal structures of these complexes were obtained and structure studied, and the properties of photoluminescence and fluorescent lifetime were studied in detail.

我们通过选用不同的第一配体[1-苯基-3-甲基-4-(4-异丁酰基)-5-吡唑酮,1-苯基-3-甲基-4-(4-叔丁基苯甲酰基)-5-吡唑酮和2-萘基三氟乙酰丙酮]和第二配体(2,2-联吡啶,邻菲啰啉,三苯基氧膦)合成了16个稀土红外配合物(Ln=Er,Nd,Yb),获得了其中三个配合物的单晶结构,研究了这些稀土红外配合物的光致发光和荧光寿命等性质。

In order to investigate the relation between the ligands and rare earth ions, in this dissertation, two new polyaza cryptands, two new tripyrazolone ligands, a macrobicyclic rare earth cryptates, a tripyrazolone and a tripodal ligands rare earth complexes have been synthesized.

为了进一步研究和探讨穴醚、吡唑啉酮、三脚架化合物配体对稀土元素的配位作用,论文首次报道了两个新氮杂穴醚配体、两个新三脚架吡唑啉酮结构配体、一个系列大二环新型的稀土配合物、一个系列三脚架吡唑啉酮结构配合物、一个系列三脚架结构三酸配合物的合成。

In order to investigate the relationship between the open-chain ligands and metal ions, and the possibility of the metal complexes used as electroluminescent materials, a new naphthol schiff base ligand which is a open-chain crown and its four transition metal complexes, a new amide type tripodal ligand containing heterocyclic ring, two tripodal ligands (H〓L〓 and H〓L〓) containing phenol schiff bases and their rare earth complexes were synthesized and characterized.

为了进一步研究和探讨开链配体与金属离子的配位作用,以及金属配合物作为电致发光材料的可能性,我们设计合成了含萘酚环的Schiff碱开链冠醚H〓L〓及四种过渡金属(Zn、Ni、Co、Cu)配合物,两个含酚羟基的Schiff碱三足配体H〓L〓和H〓L〓及稀土配合物,一个含杂环的酰胺型三足配体L〓,培养了配体L〓的单晶,确定了其晶体结构。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。