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On the basis of the previous research of Annonaceous Acetogenins in ourgroup, the doctoral dissertation describes the design and synthesis of analogs of bis-THF AA such as Isochermolin and Membranacin.The study on these analogs andthe natural product Annonacin complex with metal ion by NMR has been carriedout.

本论文是在我们小组进行番荔枝内酯类似物的基础上,设计合成了一系列双四氢呋喃环番荔枝内酯类似物,并通过核磁共振等手段研究了类似物和天然产物Annonacin与钙离子的络合特性。

Part 7 is the conclusion of this paper.The main research in this paper includes:1 The 22 mixed ligand complexes were synthesized in which bipyridine-, phenanthroline 5-nitrophenanthroline , phenanthroline- 5,6-dikentone and biquinoline are the first ligand and chlorine ion phenylalanine, tyosine asparagic radical 2.6-diaminocaproic radical tryptophan , histidine malonate(mal2-) benzyl malonate (bmal2-) phenethtyl malonate (pmal2-) are the second ligand.

本文具体研究内容包括四部分:一、合成了以联吡啶、邻菲啰啉、5—硝基邻菲啰啉、邻菲啰啉-5,6-二酮、联喹啉为第一配体,以Cl~-、苯丙氨酸根、酪氨酸根、天冬氨酸根asp~(2-、赖氨酸根、色氨酸根、组氨酸根、丙二酸根mal~(2-、苄基丙二酸根bmal~(2-和苯乙基丙二酸根pmal~(2-为第二配体的共22个混配配合物,制备了其中6个混配配合物和1个单配体配合物单晶,用X-射线单晶衍射法测定了晶体结构。

The novel complex (1) in which both benzylic nitrogens and heteroaromatic ones to the same metal ion with the rigid ligand imposed by the large heteroaromatic moiety first time was synthesized; a 2: 1 (ligand: metal ions) type complex which has steric resistance and strong thermochemical driving force was obtained. The crystal structures of characteristic ligand (LA4) and complexes (4, 7, 10), in which one cell includes two moieties: there exist minute difference in coordinated bonds and angles despite the same metal ions with the same ligand, were obtained. It shows that several stable conformation in one complex cell.

首次合成了含邻菲罗啉的具有较大刚性的四氮配体中四个氮原子全部与同一金属离子配位的配合物的晶体结构;得到了一个在空间上存在位阻作用的配体与金属离子2:1结构的晶体;解析了具有特色的一个配体(LA4)和三个配合物(4、7和10)的晶体结构,其中的配体与金属离子的配位作用显示出细微的差异,表明在同一金属配合物的晶胞中,可以同时存在着多个稳定的构象。

New ruthenium benzylidene complexes benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-diphenylphosphinoacetato] monochlororuthenium (46), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene][k~2-3-propionato]monochlororuthenium (47), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-2-benzonato]monochlororuthenium (48) featured five-membered, flexible six-membered and rigidsix-membered chelating rings respectively are prepared by reactions of complex 41 withcorresponding sodium phosphino-carboxylates. It is confirmed by X-ray crystallographicanalysis that the coordination geometries of complexes 46 and 47 are distorted squarepyramids with phosphino-carboxylate ligands chelating to ruthenium, and the coordinationbetween ruthenium and benzylidene ligands are strengthened.

用二苯基瞵乙酸盐、二苯基膦丙酸盐、二苯基膦苯甲酸盐与钌卡宾配合物41反应合成了三个新的钌卡宾配合物:含五元膦-氧螯合环的1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基1-苯亚甲基--一氯合钌(46)、含六元柔性膦-氧螯合环的[1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基1-苯亚甲基--一氯合钌(47)及含六元刚性膦-氧螯合环的[1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基]-苯亚甲基--一氯合钌(48)。X射线单晶衍射分析证明,配合物46、47都为变形的四方锥构型,膦-氧与钌形成螯合配位,其中苯亚甲基与钌的配位得以加强。

In this paper,many achievements of studying on the synthesis,thermal decomposition properties and characteristics of the energetic complexes based on high-energetic compounds containing many nitrogen atoms such as carbohydrazide and 5-nitro-2,4-dihydro-3H-1,2,4-triazol-3-one as well as tetrazole,etc.

概述了以高能多氮直链化合物如碳酰肼,富氮杂环化合物如三唑、四唑类为配体的配合物的合成、热行为以及性能的研究情况,同时简要地从分子或原子结构描述了一些其他多氮含能配体如肼、肼基甲酸甲酯等所形成的配合物的晶体结构以及热分解行为,并对含能配合物的发展方向进行了展望。

With the molar ratio of cobaltous nitrate, phenanthroline and Pyridine-3,4-dicarboxylic acid is 1∶2∶1,under the condition of pH=5,heating at 50-60℃ and stirring,the ternary complex of cobalt is synthesized in the methanol solution.

将硝酸钴、邻菲罗啉和3,4-二羧基吡啶按1∶2∶1物质的量比计量,在pH=5和50-60℃加热搅拌的条件下,在甲醇溶液中合成了钴的三元配合物,用元素分析、红外光谱、紫外光谱、热重分析和摩尔电导率对配合物进行表征,结果表明该配合物为1∶1型电解质,其组成为[CoⅢ2]NO3.H2O,其中Pydc=

Attributed to the lubricant-effect of flexible LCPB,cold crystallization was observed in stereoblock PB.Bd-Ip block copolymersHTPB-b-PI,C-(PI-b-HTPBn,C-n,and PI-b-HTPB -b-PI and Bd-St block copolymersHTPB-b-PS,C-(PS-b-HTPBn,C-n, and PS-b-HTPB-b-PS containing crystallizable HTPB were well synthesized,the microstructures and properties of the copolymers were investigated in detail.

通过与异戊二烯或者苯乙烯共聚,合成了含高反式聚丁二烯的丁二烯-异戊二烯嵌段共聚物包括HTPB-b-PI,C-(PI-b-HTPBn,C-n和PI-b-HTPB-b-PI和丁二烯-苯乙烯嵌段共聚物包括HTPB-b-PS,C-(PS-b-HTPBn,C-n和PS-b-HTPB-b-PS,对嵌段共聚物的结构和性能进行了系统的研究。

Attributed to the lubricant-effect of flexible LCPB,cold crystallization was observed in stereoblock PB.Bd-Ip block copolymersHTPB-b-PI,C-(PI-b-HTPBn,C-n,and PI-b-HTPB -b-PI and Bd-St block copolymersHTPB-b-PS,C-(PS-b-HTPBn,C-n, and PS-b-HTPB-b-PS containing crystallizable HTPB were well synthesized,the microstructures and properties of the copolymers were investigated in detail.

加热器通过与异戊二烯或者苯乙烯共聚,合成了含高反式聚丁二烯的丁二烯-异戊二烯嵌段共聚物包括HTPB-b-PI,C-(PI-b-HTPBn,C-n和PI-b-HTPB-b-PI和丁二烯-苯乙烯嵌段共聚物包括HTPB-b-PS,C-(PS-b-HTPBn,C-n和PS-b-HTPB-b-PS,对嵌段共聚物的结构和性能进行了系统的研究。

The charge transfer salts with second order nonlinear optical properties have been synthesized based on hexamethylenamine and the heteropoly acids,H 3PMo 12 O 40 ·nH 2O,H 4SiMo 12 O 40 ·nH 2O and H 4GeMo 12 O 40 ·nH 2O and characterized by elemental analysis,IR spectra and UV spectra.

本文研究了一系列不同富硫有机配体的配合物以及富硫有机分子修饰的硫化物;合成了两个系列的7个富硫配合物和2个电荷转移盐,运用元素分析、红外、紫外-可见光谱对配合物进行了表征,并且通过单晶四圆X-衍射测定了C_5H_6S_5CuI(1)、(C_5H_6S_5)2PdI_2(6)、C_(10H_(10)S_8[(C_4H_4S_4)AuCl_2](8)、C_(10H_(10)S_8Hg_2Cl_6(9)四个化合物的晶体结构。

Organosilicon high-boiling components was by-product from direct synthesis of methylchlorosilanes,The routes for production of monosilane,silicone oil,organosilicon water-proof agent,defoaming reagent,ceramics,organosilicon resin from the high-boiling components and their technical features were outlined,and some suggestions on development direction of catalysis cracking were put forward.

有机硅高沸物是合成甲基氯硅烷单体的副产物,作者简述了利用有机硅高沸物制备单硅烷、硅油、有机硅防水剂、消泡剂、陶瓷和有机硅树脂等产品的生产方法及技术特点,并对高沸物催化裂解产业化的发展方向提出了建议。

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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。