硝基物经铁粉还原成3-氨基苄基哌嗪;
The nitro-compound was reduced by Fe powder to 3-amino-benzyl-piperazine.
本文概述了胺硝基物选择氧化还原羰基化生成脲的新工艺路线。
A new process for the synthesis of ureas based on the selective REDOX carbonylation of amine and nitro compounds was described.
本论文首次应用过渡金属催化的CO选择性还原含硫烷基的芳香硝基物合成芳胺。
Here in this paper, the CO selective reduction of nitroarenes was firstly introduced to reduce the alkylthio nitroarenes.
讨论了温度、催化剂用量、硝基物浓度等因素对反应的影响,产品收率可达84%。
The factors such as temperature, the dosage of the catalyst and the concentration of nitro compound which influence the reaction are discussed. On the optimum conditions, the yield is about 84 %.
通过正交试验,找出了二硝基物生成量的变化规律,并进一步摸索出间二甲苯混酸硝化制一硝基间二甲苯较适宜的硝化条件。
The change regularity of dinitride's resultant quantity was discovered in the nitrification ofm dimethyl benzene, and the optimal conditions were investigated.
本文综述了由卤代芳硝基物还原制备卤代芳胺的三种方法,并对几种还原方法的优缺点进行了对比和讨论,得出水合肼还原具有很好的应用前景。
This article reviews three kinds of methods for manufacture halogenated aromatic amine, and the strong and weak points of the three reduction methods are pointed out.
具体来说,在这项研究里,人们训练蜜蜂,以让它们蜂拥到一个具有2 4-二硝基甲苯气味的位置,很多不同种类的炸弹都会留下这种化学残余物。
This study trained them to swarm around the location of the scent of 2, 4-dinitrotoluene, a chemical residue left by several different types of bombs.
不建议使用于强酸、硝基烃、酯类、氯仿及酮类的化学物之中。
Not recommended for use in chemical acid, nitro hydrocarbons, esters, ketones and compounds in chloroform.
最常见的例子是有机化合物,亚硝酸盐类的同分异构体,其中一个碳原子以共价键与硝基中的氮原子结合。
The most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a covalent bond to the nitro group's nitrogen atom.
硝基苯类化合物是一类高毒性的有机污染物,它们性质稳定,极难生化降解。
Nitrobenzene compounds, a highly toxic compound, is very difficult to be degraded and its chemistry property is very stabilizing.
回顾了硝基芳香化合物和偶氮化合物在厌氧条件下的生物脱毒、转化和矿化作用的研究成果。
These former papers show that nitroaromatics and azo dyes are strong electron attracting, which make them difficult to be biodegraded in aerobic conditions.
绝大多数的芳胺都来自相应的硝基化合物。
And most of the aromatic amines come from corresponding nitro compounds.
本文介绍了二级胺、一级胺和4 -氨基吡啶为共试剂的硝基化合物的羰基化反应情况。
In this paper carbonylation of nitro compounds with co-reagent based on secondary amine, primary amine and 4-aminopyridine is detailed.
阐述了电化学或电化学与其他方法联合使用处理硝基化合物的机理和方法。
The mechanism and the methods of electrochemistry or combined electrochemistry and other technology to degenerate Nitro compound were introduced in this paper.
此外,它除了还原双键以外可以用来还原各种不同的有机化合物,如:硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。
Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.
研究N-甲基羟胺与O-甲基羟胺对不饱和硝基化合物的加成反应。
To study the nucleophilic addition of N-methylhydroxylamine and O-methylhydroxylamine to unsaturated nitro compounds.
合成了十个对硝基苯胺衍生物,其中4个化合物含有手性原子。
Nitroaniline derivatives have been synthesized and there are 4 compounds having chiral atom in them.
芳香族硝基化合物是一类重要的高能化合物。
Nitro derivatives of Aromatic compounds is an important category of energetic compounds.
制造芳香族硝基化合物的硝化器为铁制的容器。
The nitrators used in the manufacturing of aromatic nitrocompounds consist of iron vessels.
这种酯或其混合物,也可由硝基苯,硝基甲苯,二硝基甲苯或三硝基苯等附加物来改性。
Such esters, or mixtures thereof may also be modified by additives such as nitrobenzene, nitrotoluence, dinitrotoluene or trinitrololuene .
方法:利用乳酸环丙沙星与2 .4 二硝基酚产生反应,可形成电荷转移络合物,以分光光度法测定。
METHOD:To utilize the reaction of ciprofloxacin lactate and 2.4 dinitroresorcinol to form the charge transfer complex compound that was measured by UV spectrophotometry.
综述了硝基化合物还原制备氨基化合物的主要方法。
The main reduction methods of nitro-compounds to prepare amino-compounds were reviewed.
本文简要说明了这种仪器的原理、结构和特征,并给出了制备分离甾族反应混合物、吲哚类植物激素、二硝基苯氨基酸的应用结果。
In this paper, the results of preparative separations of steroid reaction pro-ducts, indole auxins, and DNP amino acid mixture with suitable two-phasesolvent systems is introduced.
为提高芳香族硝基化合物氢化催化剂的性能,在单铜催化剂中引入稀土元素。
Rare earths were introduced into mono-copper catalyst to improve the performance of hydrogenation catalyst for aromatic nitro-compounds.
目的采用反相高效液相色谱(RP-HPLC)法测定氯霉素滴眼液中氯霉素的含量及有关物质中二醇物和对硝基苯甲醛的含量。
Objective To develop a quantitative method for the determination of chlorampenicol and related substances, such as glycols and p-nitrobenzaldehyde, in chlorampenicol eye drops by RP-HPLC.
在离体实验条件下,测定了14种硝基芳烃化合物对鲤鱼肝脏过氧化氢酶的半抑制浓度ec50值。
EC50 values of 14 nitroaromatic compounds to the enzymic activity of catalase of carp liver were measured in vitro.
本文研究了经施用硝基腐植酸与丙烯酸、丙烯酰胺三元接枝共聚物的赤红壤中钾离子的吸附和解吸的影响。
This paper studied the effect amended Lateritic Red soil using graft copolymer of nitro-humic acid with acrylic acid and acrylamide on the adsorption and desorption of potassium ion in soil.
本文研究了经施用硝基腐植酸与丙烯酸、丙烯酰胺三元接枝共聚物的赤红壤中钾离子的吸附和解吸的影响。
This paper studied the effect amended Lateritic Red soil using graft copolymer of nitro-humic acid with acrylic acid and acrylamide on the adsorption and desorption of potassium ion in soil.
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