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- The key for such a catalytic system was the addition of 1 equivalent of tetrabutylammonium bromide. 反应的关键是向体系中加入1当量四丁基溴化铵。
- The results show that the yield can reach as high as 84.6%by use of tetrabutylammonium bromide andunder the optimum conditions. 结果表明,采用四丁基溴化铵为相转移催化剂。在最佳反应条件下,产率高达84.6%25。
- Six N-substituted phenothiazenes had been sythesized by liquid-liq- uid phase transfer catalytic reaction,tetrabutylammonium bromide being used as the phase transfer catalyst. 本文叙述以四正丁基溴化铵为相转移催化剂,液一液相转移催化合成了六个N-取代吩噻嗪化合物。
- The synthesis of 2-bromoethoxybenzene by the reaction of phenol and 1,2-dibromoethane in the presence of the phase transfer catalyst of tetrabutylammonium bromide was studied. 在四丁基溴化铵相转移催化剂存在下,以苯酚、1,2-二溴乙烷为原料合成2-溴乙氧基苯,分别研究了反应温度、反应时间、原料配比、催化剂用量等条件对合成反应的影响,确定了最佳工艺条件。
- tetrabutylammonium bromide (TBAB) 四丁基溴化胺
- Synthesis of benzyl cinnamate catalyzed tetrabutylammonium bromide by under microwave irradiation 微波辐射四丁基溴化铵催化合成肉桂酸苄酯
- Keywords high performance liquid chromatography;kojic acid;food;tetrabutylammonium bromide; 高效液相色谱法;曲酸;食品;四丁基溴化胺;
- Keywords Au(III);potassium bromide;tetrabutylammonium bromide;flotation separation; 溴化钾;四丁基溴化铵;浮选分离;
- Keywords Benzaldehyde;Benzoic acid;Catalytic oxidation;Tetrabutylammonium bromide;GC-MS Technique; 苯甲醛;催化氧化;苯甲酸;四丁基溴化铵;色质联用;
- Keywords mercury;liquid-liquid extraction system;tetrabutylammonium bromide;(NH4)2SO4; 汞;液液萃取体系;溴化四丁基铵;硫酸铵;
- Keywords ion exchange membrane;sodium polysulfide;tetrabutylammonium bromide(TBAB);redox flow cell; 离子交换膜;多硫化钠;四丁基溴化胺;液流电池;
- Keywords palladium;potassium iodide;tetrabutylammonium bromide;extraction photometric method; 钯;碘化钾;四丁基溴化铵;萃取光度法;
- Keywords tetrabutylammonium bromide;phase transfer catalyst;9;9-bis(methoxymethyl) fluorene;9-bis(hydroxymethyl)fluorene;dimethyl carbonate;electron donor; 四丁基溴化铵;相转移催化剂;9;9-双(甲氧基甲基)芴;9-双羟甲基芴;碳酸二甲酯;给电子体;
- Keywords acrylic rubber containing active chlorine;thermally reversible covalent crosslinking;potassium dicyclopentadiene formate;tetrabutylammonium bromide;mechanical property; 活性氯型丙烯酸酯橡胶;热可逆共价交联;双环戊二烯二甲酸钾;四丁基溴化铵;力学性能;
- tetrabutylammonium bromide 四丁基溴化铵
- Aim To study the synthesis of rocuronium bromide. 摘要目的合成罗库溴铵。
- Run out Output film or bromide from a phototypesetting machine. 从照相排字机输出的菲林或相纸。
- Run out: Output film or bromide from a phototypesetting machine. 曝光片:从照相排字机输出的菲林或相纸。
- Cyclohexylmagnesiu Bromid (18 i Tetrahydrofuran ca 1mo... 询价 环庚基溴化镁(18四氢呋喃);
- Bromide: a binary compound of bromine with another element, such as silver. 溴化物:由溴和另一元素构成的二元化合物,如银。