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- Sulfadiazine-polylactide,a tumor targeting drug carrier,was successfully synthesized by the phase transfer catalysis(PTC)with tetrabutyl ammonium chloride hydroxide as catalyst. 采用相转移催化法以四丁基氯化铵为催化剂合成了端基含磺胺嘧啶的聚乳酸,将肿瘤导向基团引入了可生物降解药物载体。
- Keywords Phase-transfer catalysis;iso-octyl thioglycolate;tetrabutyl ammonium chloride; 相转移催化;巯基乙酸异辛酯;四丁基氯化铵;
- Keywords tetrabutyl ammonium chloride;phase transfer catalysis;benzoicacid;oxidation;optimization of process; 四丁基氯化铵;相转移催化;苯甲酸;氧化反应;优化工艺条件;
- Keywords cetane number improver;methyl dinitropentanoate;phase transfer catalyst;tetrabutyl ammonium chloride; 十六烷值增进剂;二硝基戊酸甲酯;相转移催化剂;四丁基氯化铵;
- Tetrabutyl ammonium chloride 四丁基氯化铵
- Tetrabutyl ammonium bromide is considered as the best phase transfer catalyst, with 85.7% yield. 实验结果表明:以四丁基溴化铵为相转移催化剂,氧化反应的收率可提高到85.;7%25。
- The parameters, such as concentration of methanol and tetrabutyl ammonium bromide,were optimized. 对影响汞化合物吸收强度和保留时间的因素如甲醇和四丁基溴化铵的浓度进行了优化。
- Methyl trioctyl ammonium chloride (MTAC),a cationic-type surfactant,was... 超浓盐酸反胶束微水池中出现未电离的氯化氢分子。
- Ammonium chloride under thermal dissociation forms ammonia and hydrogen chloride gases. 氯化铵在热力分解作用下形成氨和氯化氢气体。
- Ammonium chloride vaporizes on heating, and sublimes back to a solid on cooling. 氯化铵受热蒸发,升华,冷却还原为固体。
- 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. 考察了四丁基溴化铵 ( TBAB)和聚乙二醇 ( PEG6 0 0 )为催化剂 ,在无水 Na2 CO3 和 Na OH水溶液中进行相转移催化合成增塑剂邻苯二甲酸丁苄酯 ( 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. 最后在氢氧化钠水溶液中,以四氯化碳为氯化试剂,四丁基溴化铵作相转移催化剂,2-甲基-1-苯基-1-戊酮直接氯代和水解制得2-甲基-2-羟基-1-苯基-1-戊酮。
- The mixture of ammonia and hydrochloric gas can bring nitrogen and ammonium chloride, with white mist being. 把氨气和氯化氢气体混合产生氮气和氯化铵,并且有白雾产生。
- Ingredients:Rose extract,cetearyl alcohol, dimethyl silicone oil, glycerol, octadecyl trimethyl ammonium chloride. 成分:玫瑰提取液,十六十八混合醇,二甲基硅油,甘油,十八烷基三甲基氯化铵。
- Ingredients:olive extract,cetearyl alcohol, dimethyl silicone oil, glycerol, octadecyl trimethyl ammonium chloride. 成分:橄榄提取液,十六十八混合醇,二甲基硅油,甘油,十八烷基三甲基氯化铵。
- The ammonium chloride is neutralized by vaporizing and thickening from mother liquors. 而吸附钼后剩下的母液蒸发、浓缩、结晶出氯化铵,可用作农用化肥。
- The effect of ammonium chloride (NH4Cl) on the growth of micro algae Dunaliella viridis was reported. 报道了氯化铵对绿色杜氏藻增殖的影响情况。
- The nitrification was decreased when the urea or ammonium sulfate was combined with ammonium chloride. 氯化铵与尿素或硫酸铵配合施用能明显降低其氮素的硝化作用。
- Status Black powder, soluble in diluted acid, ammonium chloride, salvolatile, potassium cyanide solution, insoluble in water and alcohol. 性状黑色粉末,溶于稀酸、氯化铵、碳酸铵和氰化钾溶液,不溶于水和醇。
- Tetrabutyl ammonium bromide;TBAB; 四丁基溴化铵;