芳香族硝基化合物(Aromatic nitro-compounds)一、硝基苯、二硝基苯、一硝基氯苯、二硝基氯苯、一硝基甲苯、二硝基甲苯、 …www.chinacdc.cn|基于33个网页 例句 释义: 全部,芳香族硝基化合物 更多例句筛选 1. Reduction of Aromatic Nitro Compounds with Hydrazine Hydrate Catalyzed by Iron Oxide Hydroxide in Wat...
2) aromatic nitro compound 芳香硝基化合物 1. It's found that the aromatic dinitro compounds can be monoreduced to nitroanilines in high selectivity,aromatic nitro compounds and muti. 本文旨在探索一种具有先进性和创造性的催化方法,利用一氧化碳在温和的条件下高选择性地还原芳香硝基化合物制备芳胺。
Gerald, Booth. "Nitro Compounds, Aromatic" Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim; (b) Olah, G. A.; Malhotra, R.; Narang, S. C. Nitration: Methods and Mechanism; VCH: New York, 1989.Booth, G. 2007. Nitro compounds, aromatic. In Ullmann's ...
Aromatic nitro compounds are the usual starting materials for commercial applications, but aliphatic compounds exhibit a greater diversity of chemical behavior under reducing conditions.1–4 Nitroso compounds, hydroxylamines, oximes, amines, nitrones, ketones and silyl nitronates are frequently encoun...
1) aromatic nitro compounds 香硝基化合物 1. Progress in the preparation of aromatic amine and derivatives from aromatic nitro compounds through catalytic hydrogenation was reviewed. 综述了催化加氢还原芳香硝基化合物制备芳胺及其衍生物的近况,讨论了影响催化加氢反应的主要因素和工艺条件,并展望了催化加氢法...
Nitro-benzene 23.1.1StructureofNitrobenzene sp2 ONO147pm121pm127 Ar ONO极限式ONO共振式 NO2 ONO离域式ONO 23.1.2Preparationof Nitrobenzene Wehavealreadyseenmanyexamplesofthepreparationofaromaticnitrocompounds.Byfarthemostimportantroutetosuchcompoundsiselectrophilicaromaticnitrationwithnitricacid.NO2CH3CH3HNO3...
tic nitro compounds Aromatische nitroverbindungen Aromatic nitro compoundsAromatische nitroverbindungen Aromatic nitro compoundsJerald Clyde HinshawRichard Paul Henzel
In the reaction of aromatic compounds with nitrating acids comprising HNOand, if appropriate, HSOand/or HO and/or HPOto form aromatic nitro compounds, according to the invention an amount of from 0.5 to 20,000 ppm of one or more surface-active substances from the group of the anionic, ...
Under the same conditions,a few ofaromatic nitro compoundswere reduced to the corresponding anilines in 97. 在相同的条件下,Ni(Ⅱ)树脂催化NaBH4还原几种芳香族硝基化合物得到相应的芳胺,收率97。 更多例句>> 4) aromatic polynitro compounds 芳香族多硝基化合物 ...
Selenium-Catalyzed Reduction of Aromatic Nitro Compounds to Amines by CO/H2O in the Presence of Triethylamine The reduction of aromatic nitro compounds with sodium borohydride in the polar aprotic solvents, DMSO and sulfolane, has been investigated. The reactions involve initial production of azoxy comp...