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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Part 2. Annulation reaction of 3, 4-dichlorocoumarin (1) and 3, 4-dichloromaleimide (8) by a new general annulation strategy developed in this group with 2-phenylbenzofuran (15), 3-phenylbenzofuran (16), 2, 5-diphenyloxazole (17), 2, 5-diphenylthiazole (18), 2-methyl-4-phenylthiazole (19) and 2, 3-dimethoxy-1, 3-butadiene (40) were investigated.
二。在本课题组前一阶段提出的从二氯代环烯酮与1,1-二芳基乙烯的光化反应以及光化反应中得到的环丁烷产物的连续电环化反应对3,4-二氯马来酰亚胺以及3,4-二氯香豆素进行增环反应的工作基础上,研究了3,4-二氯香豆素(1)和3,4-二氯马来酰亚胺(8)与5个α-苯基取代的环烯烃2-苯基苯并呋喃(15),3-苯基苯并呋喃(16),2,5-二苯基噁唑(17),2,5-二苯基噻唑(18),2-甲基-4-苯基噻唑(19),以及一个丁二烯——2,3-二甲氧基丁二烯(40)进行的芳香族增环反应。
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A series of diazonium salts of 4-(N-methyl-N-phenylamino)-3-amino-1,8-naphthalic anhydride 5a, its naphthalimide derivative 5b, and 5e were designed and synthesized,and it was the first time to discover that aromatic radical-induced intramolecular aromatic 1, 5-hydrogen transfer was also involved in the nitrogen-contianed system during Pschorr cyclization.
实验设计合成了4--3-氨基-1,8-萘酐的重氮盐5a、其衍生物N-丁基-4--3-氨基-1,8-萘酰亚胺的重氮盐5b和N--4--3-氨基-1,8-萘酰亚胺的重氮盐5c,并首次发现了通过普朔尔环化反应以氮甲基化的氮为桥原子的体系存在着芳香自由基诱导的芳香1,5-氢转移。
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Using completely PVD method, successively depositing doffing pellicle twain anhydride and diamine on the polishing glass substrate in the high vacuum environment, and then processing heat treatment in proper surrounding temperature., make sure twain anhydride and diamine form polymeric amic acid, and more ring-imidization.
采用全物理气相沉积方法,在高真空环境中将脱膜剂、二酐和二胺先后沉积于抛光的玻璃衬底上,然后在适当的环境温度中进行热处理,使二酐和二胺形成聚胺酸,并进一步环亚胺化。
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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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The synthetic progress of polysuccinimide using maleic acid as original material was studied by two steps of aminization and polymerization. Changes of reactant and product composition in aminization reaction step was studied by using bromine value analysis method. It was found that amine salt and amide were main products in this step.
对以马来酐为原料合成聚琥珀酰亚胺的两个反应过程进行了研究,通过溴价测定法研究了胺化反应阶段反应物及产物各组分的变化情况,确定胺化反应阶段的产物组分主要是胺盐和酰胺。
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Two kinds of polyaspartic acid derivates, i.e. PEG-g-PAsp and PEG-g-PDEA, were prepared through the ring-opening reaction of polysuccinimide by CH3O-PEG-NH2, followed by alkaline hydrolysis and aminolysis, respectively.
通过胺端基聚乙二醇(CH3O-PEG-NH2)开环聚琥珀酰亚胺,进一步碱解和胺解制备了聚乙二醇接枝聚天冬氨酸和聚乙二醇接枝聚乙二胺基天冬酰胺两种聚天冬氨酸衍生物。
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In route 1, geranylamine was synthesized from geraniol via Mitsunobu reaction and aminolysis. Adamantan-2-amjne was synthesized from adamantan-2-one via reductive imination and catalytic hydrogenation.
第一条路线香叶醇经Mitsunobu反应、胺解反应得到香叶胺;2-金刚烷酮经亚胺化、硼氢化钠还原、催化氢化脱节基得2-金刚烷胺。
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This thesis includes five parts as follows.1. The backgrounds and some relative concepts of this work are briefly introduced. The photochemistry of benzamides and compounds with thiourea functional group is also concisely reviewed.2. Total of fourteen benzamides with different substituted groups have been synthesized and structurally characterized. Better photoreaction time for that kind of compounds at given concentrations is confirmed by tracking its'UV spectrum and GC chromatogram. A representative dibenzophenone photoproduct has been determined by X-ray crystallography. The mechanisms of photoreaction of benzamide have been proposed.3. Total of seven N-chloro(phenylmethylenebenzenamines with different substituted groups and sixty-one thiourea derivatives have been synthesized and structurally characterized.
论文的主要内容如下:1、简要介绍本论文工作的研究背景,并对苯甲酰胺和具有硫脲官能团类化合物的光化学研究进展进行简要的总结。2、合成与表征了14个具有不同取代基的苯甲酰胺类化合物,利用紫外光谱和气相色谱确定了此类化合物较佳光照时间,测定了一个具有代表性光解产物的单晶结构,提出了苯甲酰胺类化合物的光反应机理。3、合成与表征了7个带有不同取代基的氯代苯甲酰亚胺中间体及61个硫脲衍生物,测定了两个具有代表性化合物的单晶结构。
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The copolycondesation type polyamic acid was synthesized by using pyromellitic dianhydride and 3,3',4,4'-benzophenonetetracarboxylic dianhydride as the dianhydride monomers, 4,4'-diamino diphenylmethane and 4,4'-oxydianiline as the diamine monomers under microwave irradiation in dimethylformamide.
在N,N'-二甲基甲酰胺溶剂中,以均苯四甲酸酐和3,3',4,4'-二苯酮羧酸二酐为二酐单体,4,4'-二氨基二苯醚和4,4'-二氨基二苯甲烷为二胺单体,采用微波辐射低温溶液共缩聚,合成了聚酰胺酸预聚体,然后亚胺化脱水、环化,生成共缩聚聚酰亚胺。
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During the research, one of the best stereoselective results was achieved in Streckerreactions on the aliphatic imines and the possible mechanism was proposed.
在研究过程中,我们发现在CsF促进下TMSCN能够对有α-氢的亚磺酰基亚胺进行高非对映选择性的加成反应并取得迄今为止脂肪族亚胺的Strecker反应的最好结果。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。