包容性极强的NO2(硝基)还原为NH2(氨基)方法 硝基还原是制备脂肪胺和芳香胺最常用的方法之一,最经典的方法是金属如Pd/C, PtO2, Raney Ni等催化的氢化还原反应,此外转移氢化也是比较常用的条件。除此之外,Zn粉,Fe粉等参与的硝基还原反应也很常用。尽管方法很多,寻找更加绿色,无金属参与以及高官能团包容性的还原方法...
包容性极强的NO2(硝基)还原为NH2(氨基)方法 硝基还原是制备脂肪胺和芳香胺最常用的方法之一,最经典的方法是金属如Pd/C, PtO2, Raney Ni等催化的氢化还原反应,此外转移氢化也是比较常用的条件。除此之外,Zn粉,Fe粉等参与的硝基还原反应也很常用。尽管方法很多,寻找更加绿色,无金属参与以及高官能团包容性的还原方法...
1. The -NO2 group can be reduced to the -NH2 group through a hydrogenation reaction, typically conducted in the presence of iron powder and hydrochloric acid (FeCl2).2. Under acidic conditions, the cyano group -CN can be hydrolyzed, resulting in the formation of the carboxyl gro...
Glarborg P,Dam-Johansen K,Miller J A.The reaction of ammonia with nitrogen dioxide in a flow reactor:Implication for the NH2+NO2reaction. International Journal of Chemical Kinetics . 1995Glarborg, P.; Dam-Johansen, K.; Miller, J. A. The Reaction of Ammonia with Nitrogen Dioxide in a ...
The overall rate coefficient and the branching ratio of the NH2 + NO2 reaction were determined in shock tube experiments. Benzylamine (C6H5CH2NH2) was used as a thermal source of the NH2 radical. To obtain the overall rate coefficient, the NH2 mole fraction was measured using frequency-modula...
NH3 和 SiCl4 的反应是一种重要的化学反应。在该反应中,氨气和 四氯化硅可以结合形成氨基硅烷化合物(通常命名为氨基硅烷或硅氨 烷),其化学式为 SiH3NH2。反应方程式如下: SiCl4 + 4NH3 → SiH3NH2 + 4HCl 这个反应方程式描述的是,当四氯化硅与氨气反应时,四氯化硅 中的氯离子和氨气中的氢离子结合形成氯化...
To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. The balanced equation will appear above. Use uppercase for the first character in the element and lowercase for the second character. Examples: Fe, Au, Co, Br, C, O, N, F. Ionic char...
C6H5NO2+ H → C6H5NH2+ H2O 复合系数摩尔质量摩尔(克/摩尔)重量(克) 反应物 烟酸氢 C6H5NO21123.1094 H61.00794 产品 苯胺水 C6H5NH2193.12648 H2O218.01528 这个计算器将确定反应的限制试剂。 Instructions To calculate the limiting reagent, enter an equation of a chemical reaction and press the Star...
3. CHEMICAL REACTION By reacting with o-Toluidine, Nitroso-o-Toluidine(dyestuff)is produced. 4. CALIBRATION OF THE TUBE PERMEATION TUBE METHOD 5. INTERFERENCE AND CROSS SENSITIVITY 117SB NITROGEN DIOXIDE Substance Interference ppm Coexistence
Room-temperature rate constants of (1.21 ± 0.14) × 10−10, (1.81 ± 0.12) × 10−11, and (2.11 ± 0.18) × 10−11 cm3 molecule−1 s−1 were obtained for the reactions of NH2 with N, NO and NO2, respectively. The production of NH in the reaction of NH2 with N was ...