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- Tetrabutyl ammonium bromide is considered as the best phase transfer catalyst, with 85.7% yield. 實(shí)驗結果表明:以四丁基溴化銨為相轉移催化劑,氧化反應的收率可提高到85.;7%25。
- The parameters, such as concentration of methanol and tetrabutyl ammonium bromide,were optimized. 對影響汞化合物吸收強度和保留時(shí)間的因素如甲醇和四丁基溴化銨的濃度進(jìn)行了優(yōu)化。
- Sulfadiazine-polylactide,a tumor targeting drug carrier,was successfully synthesized by the phase transfer catalysis(PTC)with tetrabutyl ammonium chloride hydroxide as catalyst. 采用相轉移催化法以四丁基氯化銨為催化劑合成了端基含磺胺嘧啶的聚乳酸,將腫瘤導向基團引入了可生物降解藥物載體。
- This paper investigates the catalytic effects of tetrabutyl ammonium bromide (TBAB) and polyethylene glycol (PEG 600) as phase transfer catalyst synthesized plasticizer BBP in anhydrous Na 2CO 3 and NaOH solution. 考察了四丁基溴化銨 ( TBAB)和聚乙二醇 ( PEG6 0 0 )為催化劑 ,在無(wú)水 Na2 CO3 和 Na OH水溶液中進(jìn)行相轉移催化合成增塑劑鄰苯二甲酸丁芐酯 ( BBP)的催化效果。
- Then,2-methyl-2-hydroxy-1-phenyl-1-pentanone was prepared by chlorination and hydrolysis with 2-methyl-1-phenyl-1-pentanone in the presence of NaOH and CCl4 as chlorinating agent and tetrabutyl ammonium bromide as the phase transfer catalyst. 最后在氫氧化鈉水溶液中,以四氯化碳為氯化試劑,四丁基溴化銨作相轉移催化劑,2-甲基-1-苯基-1-戊酮直接氯代和水解制得2-甲基-2-羥基-1-苯基-1-戊酮。
- Tetrabutyl ammonium bromide;TBAB; 四丁基溴化銨;
- Keywords Phase-transfer catalysis;iso-octyl thioglycolate;tetrabutyl ammonium chloride; 相轉移催化;巰基乙酸異辛酯;四丁基氯化銨;
- Keywords reversed phase ion pair chromatography;tetrabutyl ammonium hydroxide;nitrite; 反相離子對色譜;四丁基氫氧化銨;亞硝酸鹽;
- Keywords nwehutyl ether;phase transfer catalysis;synthpsis;tetrabutyl ammonium bromide; 正丁醚;相轉移催化;合成;溴化四丁基銨;
- Keywords tetrabutyl ammonium chloride;phase transfer catalysis;benzoicacid;oxidation;optimization of process; 四丁基氯化銨;相轉移催化;苯甲酸;氧化反應;優(yōu)化工藝條件;
- Keywords cetane number improver;methyl dinitropentanoate;phase transfer catalyst;tetrabutyl ammonium chloride; 十六烷值增進(jìn)劑;二硝基戊酸甲酯;相轉移催化劑;四丁基氯化銨;
- Keywords Indirect photometric;chromatography;Inorganic anions;Ion-pairing reagant;Tetrabutyl ammonium hydyoxide; 間接光度色譜法;無(wú)機陰離子;對離子試劑;四丁基氫氧化銨;
- Keywords spectrophotometry;eosin Y;ethyl eosin;cetylpyridinium bromide;cetyl trimethyl ammonium bromide;tetraethyl ammonium bromide;tetrabutyl ammonium bromide; 分光光度法;曙紅Y;乙基曙紅;溴化十六烷基吡啶;溴化十六烷基三甲基銨;溴化四乙基銨;溴化四丁基銨;
- A highly explosive mixture of ammonium nitrate and trinitrotoluene. 阿馬托炸藥一種由硝酸銨和三硝基甲苯組成的烈性混合炸藥
- tetrabutyl ammonium 四丁基銨
- It is compatible with ammonium compounds. 它可與氨化合物混用。
- Manufacturing sales : Yean, ammonium bicarbonate. 制造銷(xiāo)售:液氨、碳酸氫銨。
- Impregnation with ammonia or an ammonium compound. 氨化作用用氨或氨化物浸滲
- Tetrabutyl ammonium chloride 四丁基氯化銨
- tetrabutyl ammonium hydroxide 四丁基氫氧化銨