查询词典 p-dimethylaminoazo-benzene
- 与 p-dimethylaminoazo-benzene 相关的网络例句 [注:此内容来源于网络,仅供参考]
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B3LYP/aug-cc-pvDZ level of theory is applied to study the geometric structures, hyperconjugation and exchange repulsion of 13 isoelectronic equivalents of benzene obtained by successive replacement of CH groups by nitrogen atoms in benzene.
采用密度泛函理论的B3LYP方法在aug-cc-pvDZ基组上研究了13种苯及其含氮等电子体化合物的分子结构、能量和异构体相对稳定性,重点考察了含氮量对化合物含能性质的影响。
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The long-term inhalation lf harmful gas such as formaldehyde,benzene,xylene given off from the coatings may harm the immune system and cause leucocythemia,They are especially sensitive to women and children,Pregnant women inhaling benzene may cause malformed baby or abortion .
涂料中的甲醛、苯、二甲醛等释放出的有毒气体,长期吸入人体会损害人体免疫功能,导致白血病,尤其妇女、儿童最为敏感,而孕妇吸入苯会导致胎儿畸形或流产。
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Goal compound synthesis namely: Take the vanillic acid as outset raw material, obtains 4- hydroxyl - 3- anisole methyl formate with the methyl alcohol reflux conditions, then after the etherification, the nitration, the return to original state, the ring closure response obtains 6- methoxy - 7- animal pen oxygen radical kui zuo lin - 4- alkone, then passes through the chlorination, the substitution aniline, to escape responses again and so on animal pen oxygen radical, etherification to obtain the goal compound; The goal compound and the diethylamine had the amine substitution reaction to obtain TM1, namely 4- benzene amino - 6- methoxy - 7- [2- hydroxyl - 3-(N, N- two ethyl aminos) third oxygen radical] kui zuo lin; Through zuo has the etherification with the Austria niter to respond obtains TM2, namely 4- benzene amino - 6- methoxy - 7- [2- hydroxyl - 3-(2- methyl - 5- nitryl imidazole) third oxygen radical] kui zuo lin.
目标化合物的合成即:以香草酸为起始原料,与甲醇回流条件下得到4-羟基-3-甲氧基苯甲酸甲酯,然后经过醚化、硝化、还原、环合反应得到6-甲氧基-7-苄氧基喹唑啉-4-酮,然后再经氯化、取代苯胺、脱苄氧基、醚化等反应得到目标化合物;目标化合物与二乙胺发生胺取代反应得到了TM1,即4-苯氨基-6-甲氧基-7-[2-羟基-3-丙氧基]喹唑啉;通过与奥硝唑发生醚化反应得到TM2,即4-苯氨基-6-甲氧基-7-[2-羟基-3-(2-甲基-5-硝基咪唑)丙氧基]喹唑啉。
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The results showed that the amorphous iron oxide has highly catalytic activity. The intermediate products are pyrocatechin, hydroquinone, benzoquinone and low-grade fatty acid. The mechanism of catalyst oxidation is assumed that the free radical OH attacks benzene cycle at the adjacent position and para-position of OH on phenol so that the benzene cycle is opened and low-grade fatty acid is produced and transformed into CO2 and H2O.
结果表明,非晶铁氧化物催化剂在催化氧化降解苯酚时具有较高的催化活性,苯酚降解的中间产物有:对苯二酚、邻苯二酚、苯醌和低级脂肪酸,其降解机理是羟基自由基攻击苯环上OH的部位或对位而使苯环开环,生成低级脂肪酸,并最终转化成二氧化碳和水,从而使苯酚得以降解。
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Synthesis of target compounds namely: to vanillic acid as the starting material with methanol under reflux conditions for 4 - hydroxy -3 - p-methyl, then ether, and nitration, reduction, cyclization reaction 6 - methoxy -7 - benzyloxy-quinazoline -4 - one, and then by the chloride in place of aniline, benzyloxy-off, such as etherification reaction of the target compounds; target compounds with the second and third occurrence of substitution reactions of amines by the TM1, that is, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(N, N-diethyl amino) oxy c] quinazoline; with ether occurred Ornidazole reaction of TM2, namely, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(2 - methyl -5 - nitroimidazole) C oxy] quinazoline.
本论文以嘌呤类似物喹唑啉为母核,分别在其4位和7位引入结构多样的取代苯氨基和柔性侧链,设计了一系列4-取代苯胺基-6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉类化合物。目标化合物的合成即:以香草酸为起始原料,与甲醇回流条件下得到4-羟基-3-甲氧基苯甲酸甲酯,然后经过醚化、硝化、还原、环合反应得到6-甲氧基-7-苄氧基喹唑啉-4-酮,然后再经氯化、取代苯胺、脱苄氧基、醚化等反应得到目标化合物;目标化合物与二乙胺发生胺取代反应得到了TM1,即4-苯氨基-6-甲氧基-7-[2-羟基-3-丙氧基]喹唑啉;通过与奥硝唑发生醚化反应得到TM2,即4-苯氨基-6-甲氧基-7-[2-羟基-3-(2-甲基-5-硝基咪唑)丙氧基]喹唑啉。
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Results show that hydroxyl group existing in benzene ring, sulfanilamide being adjacent to hydroxyl group and benzene ring itself are main active sites of this kind of compounds probably. Orbit energy distributing on groups and the number of net charge of N atom determine compounds' insecticidal activity directly.
计算结果表明,该类化合物中苯环上的羟基、羟基相邻的磺胺基团以及与该苯环的组合很可能是该类化合物的主要活性部位,分布在基团上的前线轨道以及N原子的净电荷的多少直接决定化合物的杀虫活性。
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Production of dye intermediates oxidation products have Anthraquinone, refined anthracene, carbazole, 1 - aminoanthraquinone refined benzene around anthrone, anthrone-bromo-benzene series around.
企业生产的染料中间体系列产品有氧化蒽醌、精蒽、咔唑、1--氨基蒽醌、精制苯绕蒽酮、溴代苯绕蒽酮系列等。
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Bis-(4-bromobenzoyl) benzene as the monomer of poly was synthesized by Friedel-Crafts benzoylation reaction. Poly-Ⅱ synthesized via palladium-catalyzed aryl amination reaction using 1, 4-bis-(4-bromo-benzoyl) benzene and 4, 4'-diaminodiphenyl ether as monomers.
通过傅-克酰基化反应合成了1,4-双-(4'-溴苯酰基)苯,以1,4-双-(4'-溴苯酰基)苯和4'4-二氨基二苯醚为单体,通过钯催化的胺基化缩聚反应合成了高性能聚合物-聚亚胺酮-Ⅱ。
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Methyl-2,3,5,6-tetrafluoro-benzene methanol was synthesized by chlorination, acylation, fluorination, esterifica- tion, reduction, bromization, reduction from terephthalic acid. Tefluthrin was obtained from-(1RS,3RS)-3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl cycolpropa-necarboxylate acid by reacting with 4-methyl-2,3,5,6-tetrafluoro-benzene methanol.
以对苯二甲酸为原料,经氯化、酰氯化、氟化、酯化、还原、溴化、还原七步反应合成了4-甲基-2,3,5,6-四氟苄醇,甲基苄醇与-(1RS,3RS)-3-(2-氯-3,3,3-三氟丙-1-丙烯基)-2,2-二甲基环丙甲酸一步酯化合成了七氟菊酯。
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At last, the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles are studied by constructing the grey inhibition model of the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles.
通过对2—苯基丁腈缓蚀性能的理论预测和试验验证,认为利用某一类苯腈类化合物的缓蚀性能与分子结构关系,从理论上预测同类型苯腈类化合物的缓蚀性能是可能和合理的。灰色理论研究结果表明,苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀性能与分子结构参数的关系,可用GM(0,3)模型描述。
- 推荐网络例句
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Vishnu entered a dark fourth dimensional dream that did not support his field or continued life.
毗瑟挐进入了一个第四密度的黑暗梦想,那里并不支持他的能量场或继续生命。
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Leaders and decision-making persons use it to collect the data, including the information of unit work, handing in fee, oweing fee, prepaying fee,changing and afterpaying and account transfering of joining-insurance employee, and account paying of all kinds of insurances from hospitalization insurance institutions.The collected data is picked up, organized, switched and showed to user.
该子系统主要面向各级领导、决策分析人员;从各个医疗保险经办机构和定点医疗机构采集数据,包括在各个医疗保险经办机构处理的单位办公信息,单位缴费、欠费、预缴费信息,参保职工变更信息,参保职工增减变动信息,参保职工补缴信息,参保职工帐户划拨信息:包括各定点医疗机构处理的各险种帐户支出信息,各险种的统筹金支付信息等;将采集的数据提取,组织和转换,然后展示给用户。
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BaTan focus on the town in order to speed up the construction of the town as an opportunity to carry first to target in order to handle the project for a breakthrough to achieve industrialization and urbanization as a development engine.
八滩镇以加快重点镇建设为契机,以进位争先为目标,以项目突破为抓手,把实现工业化、城镇化作为发展的重要引擎。