二羧基的
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This dissertation divides into seven chapters and the main contents and conclusions are listed as following:1. Three series binuclear lanthanide carboxylate coordination polymers 1~7 have been synthesized under hydrothermal conditions by altering the length of carbon chains between carboxyl group and phenyl ring on ligands, which are isophthalic acid, 1,3-phenylenediacetic acid and 1,3-phenoxydiacetic acid, and lanthanide ions such as Pr~(3+), Eu~(3+)and Ho~(3+).
论文共分七章,主要研究内容和结论如下:1、通过改变间苯二甲酸配体的羧基和苯环之间的碳链长度,从间苯二甲酸、间苯二乙酸到间苯二氧乙酸,以及改变稀土离子半径Pr~(3+、Eu~(3+)和Ho~(3+)出发,在水热条件下制备了三个系列双核金属单元的稀土羧酸二维配位聚合物1~7。
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The surface hydroxyl group onto magnetic polyvinyl acetate nanoparticles can be obtained by saponification reaction on their surface.
结果表明,磁性聚苯乙烯颗粒与丁二酸酐发生Freidel-Crafts酰基化反应,可以在颗粒表面引入少量羧基;磁性聚甲基丙烯酸甲酯颗粒分别与乙二醇、二缩三乙二醇、聚乙二醇等发生醇-酯交换反应,可以在颗粒表面接枝不同分子链长度的末端羟基;磁性聚醋酸乙烯酯颗粒经过醇解或皂化反应可以获得表面羟基;磁性聚丙烯酸甲酯颗粒通过乙二胺或1,6己二胺的胺解反应可以得到表面氨基,继而与一氯乙酸反应可以引入亚胺二乙酸基团。
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Ferrocenecarboxylic-ssdeoxyribonucleic acid probe was made by chemically bounding FCA to terminal 5'-amino of oligonucleotide in the presence of a water-soluble carbodiimide. The hybridization reaction was conducted by immersing the immobilized-ssDNA electrode in FCA-ssDNA probe solution.
在偶联活化剂碳二亚胺的存在下,通过羧基二茂铁上的羧基与DNA分子上的氨基共价键合,将FCA标记在氨基修饰的寡聚核苷酸片段上,制备成FCA-ssDNA探针。
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This dissertation is mainly focused on the reactivity of methylenecyclopropanes and comprises six parts. 1 The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2 The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3 The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes. 4 The gold-catalyzed domino ring-opening and ring-closing hydroamination of methylenecyclopropanes with sulfonamides; 5 The Lewis acid-catalyzed reactions of mono-aryl group substituted methylenecyclopropanes with diethyl ketomalonate in the presence of water; 6 The iodobenzene diacetate mediated novel 1,3-dipolar cycloaddition of methylenecyclopropanes, vinylidenecyclopropanes, and methylenecyclobutane with phthalhydrazine.
本论文主要研究了亚甲基环丙烷类化合物的一些化学反应性能,共由以下六部分组成:1、亚甲基环丙烷类化合物与苯硫氯、苯硒氯及二苯基二硒的反应;2、亚甲基环丙烷类化合物开环产物的偶联反应;3、单芳基取代的亚甲基环丙烷类化合物在钯催化剂作用下的扩环反应;4、金化合物催化磺酰胺对亚甲基环丙烷类化合物的串联开环关环氨氢化反应;5、路易斯酸催化亚甲基环丙烷类化合物与丙酮二羧酸二乙酯在有水存在下的反应;6、醋酸碘苯促进的亚甲基环丙烷类化合物、亚乙烯基环丙烷类化合物及亚甲基环丁烷类化合物与邻苯二甲酰肼的新型1,3-偶极环加成反应。
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SM6 and SM7 of uncrystal were analyzed through GC-MS, the results showedthat SM6 main contained unsaturated fatty aldehyde with fragrance, i.e.-2,4-decadienal(58%), tetradecanoic acid (55.78%), 2-decenal(50%), Phthalic acid isobutylundecyl ester(47%), 2, 4-Decadienal(41%), 2-Undecenal (31%), 2-Methyl-Z,Z-3, 13-octadecadi-enol(18.84%), and SM7 contained saturation alkanes, i.e. 1, 2-Benzenedicarboxylic acid, butyl cyclohexyl ester(23.90%), Triacontane(22.63%),Nonacosane(21.04%), Heptadecane(18.84%), Octacosane(13.58%). Toxicological experiments were done to insure the pigment safety.
并对紫红丝膜菌色素非晶体部分的黄色油状物SM6和紫色粉末物SM7作了GC-MS分析,结果显示SM6中主要为具有香气成分的不饱和脂肪醛,其中含量较高的依次为:-2,4-癸二烯醛(58%)、十四烷酸(55.78%)、2-癸烯醛(50%)、邻苯二甲酸异丁基十一烷酯(47%)、2,4-癸二烯(41%)、2-十一碳烯醛(31%)、2-甲基-Z,Z-3,13-十八碳二烯酸(18.45%)等;SM7中主要为饱和直链烷烃,其中含量较高的依次为:1,2-苯二羧酸丁基环己酯(23.90%)、三十烷(22.63%)、二十九烷(21.04%)、十七烷(18.84%)、二十八烷(13.58%)。
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One class is CAAX-mimetic compounds with an imidazolyl residue on one end and a carboxylic group on the other connected by benzodiazepine scaffold at different positions.
连有咪唑基的苯并二氮杂草化合物,以苯并二氮杂草-2-酮为分子骨架,7位连接含有咪唑基的侧链,1位或3位连接含羧基或酯基的侧链。此类化合物模拟了CAAX配体。
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The SERS spectra of isoquinoline and its six derivates 3 -isoquinolinecarboxylic hydrate (Ⅱ, 1-isoquinolinecarboxylic acid, methyl 3-isoquinolinecarboxylate, isocarbostyril, 5-hydroxy-isoquinoline and 1, 5-isoquinolinediol were obtained by mixing the chemicals with silver colloid.
应用SERS技术,我们获得了异喹啉及其六种衍生物3-羧基异喹啉(Ⅱ,1-基异喹啉,甲基-3-羧基异喹啉酸酯,1-羟基异喹啉,5-羟基异喹啉和1,5-二羟基异喹啉的喇曼光谱。
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Several types of ligand reactions observed under hydrothermal condition were summed up:(1) hydrolysis of pyridine nitrile, aldehyde and ester in mixed water and alcohol into pyridine-carboxylate;(2) replacement of carboxylate group with sulfonic group;(3) coupling of phenanthroline by dehydrogen;(4) oxidative coupling of methanol into oxalic acid;(5) hydroxylation of isophthalate.
总结了以往在水热条件下观察到的几类配体反应:(1)吡啶腈、醛和酯在醇和水混合溶液中水解成吡啶羧酸;(2)磺基取代羧基反应;(3)邻菲啰啉的脱氢的聚合:(4)甲醇被氧化偶合生成草酸:(5)间苯二甲酸的羟基化反应。
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Disclosed is a polyimide resin having a glass transition temperature of 200-320 DEG C and containing a siloxane diamine residue, a fluorene diamine residue and a specific tetracarboxylic acid dianhydride residue at certain ratios.
本发明提供玻璃化转变温度为200~320℃,以特定比例含有硅氧烷系二胺残基、芴系二胺残基和特定四羧酸二酐残基的聚酰亚胺树脂。
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Poly(aryl ether sulfone ether ketone ketone) with side carboxyl attached to the main chain was synthesized by Friedel-Crafts polycondensation of 4,4′-diphenyoxyl diphenyl sulfone with trimellitic anhydride chloride.
以4,4′-二苯氧基二苯砜,偏苯三酸酐酰氯为单体通过Friedel-Crafts亲电反应合成了主链芳环上带有羧基侧基的聚芳醚砜醚酮酮树脂。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。