三乙胺
- 网络triethylamine;triethyl amine;tea;Et3N;NEt3
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在Na2SO3存在下,三乙胺对树脂亦有类似的保护作用。
In the presence ofNa_2SO_3 , TEA had a similar protection action on resin .
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结果:最优流动相组成为甲醇乙腈水三乙胺(16∶6∶78∶0.4),用磷酸调节pH为2.5。
RESULTS The optimun composition of the mobile phase was : MeOH ACN H 2O TEA ( 16 ∶ 6 ∶ 78 ∶ 0.4 ), pH was 2.5 ( adjusted by phosphoric acid ) .
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三乙胺催化合成维生素E乙酸酯的研究
Study on the catalytic synthesis of Vitamin E acetate by triethy lamine
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不同链长尾式卟啉&三乙胺和吡啶季铵盐的~1HNMR研究
1H NMR studies of different chain length tail porphyrin triethylamine and pyridyl quaternary ammonium salts
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几种醌类化合物与三乙胺电子转移反应过程的ESR研究
Electron spin resonance study on the electron transfer from triethylamine to Quinones
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反应中产生的HCl用三乙胺来吸收。
The HCl yielded from the reaction is assimilated by triethylamine .
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若选择(H3PO4)n作催化剂,三乙胺(TEA)为助催化剂,产率87.5%。
If the ( H3PO4 ) - 4 is chosen as catalytic promoter and triethylamine ( TEA ) added , a higher yield will be obtained .
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对二苯酮(BP)/三乙胺(TEA)/氧体系光敏引发甲基丙炜酸甲酯聚合反应动力学进行了研究。
Kinetic studies were carried out on the polymerization of MMA photo-initiated by benzophenone / triethylamine / oxygen ( BP / TBA / O2 ) system .
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用硒作催化剂,三乙胺为助催化剂,CO为羰基化试剂,通过氧化还原羰基化的方法,将邻硝基苯胺类化合物在分子内羰基化成环,反应生成相应的一系列环脲类物质。
O Nitroaniline and its derivatives may produce a series of cyclic ureas by applying the method of selenium catalyzed CO oxidative and reductive carbonylation .
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研究了二苯酮(BP)/三乙胺(TEA)/氧体系引发MMA聚合反应中氧的加速作用。
The accelerating effect of oxygen in the benzophenone / triethylamine / oxygen ( BP / TEA / O2 ) system was studied .
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羰基铁-硫醇-三乙胺反应体系的研究&铁硫磷簇合物(μ-PhClP)(μ-RS)Fe2(CO)6的合成及结构
Study on Reaction System of Iron Carbonyls-mercaptans-Et_3 N & Synthesis and Structures of Iron-phosphorus-sulfur Clusters (μ - PhCIP )(μ - RS ) Fe_2 ( CO ) _6
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流动相为甲醇-水-三乙胺-磷酸(700∶300∶5∶1.5),用磷酸(1→10)调pH至7.3±0.1;
The mobile phase was consisted of methanol-water-triethylamine-phosphoric acid ( 700 ∶ 300 ∶ 5 ∶ 1.5 ), with the pH of 7.3 ± 0.1 adjusted with phosphoric acid .
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通过加入三乙胺,自组装纳米反应器中制备的CdS量子点将从氯仿相转移至水相。
By the addition of excess triethylamine , CdS QDs formed in the self-assembly nanoreactors were transferred from organic phase into aqueous phase .
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以三乙胺和甲醇钠为活性碱组分,以A,X和Y型分子筛及硅胶和有机高聚物担体为载体制备了负载型碱性催化剂。
The supported alkaline catalysts were prepared using triethylamine and sodium methoxide as active components and using A , X and Y type molecular sieves , silica and organic polymer carriers as supports .
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二乙醇胺和对甲苯磺酰氯在三乙胺存在下,反应生成N,0,O′-三(对甲苯磺酰基)双(2-羟乙基)胺,产率93%。
In the presence of triethylamine , N , O , O ' - tris ( p-toluenesulfonyl ) his ( 2-hydroxyethyl ) amine was prepared in 93 % yield by tosylation of diethanolamine with p-toluenesulfonyl chloride .
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实验以盐酸三乙胺-三氯化铝离子液体(IL)为催化剂,催化水杨酰胺(SA)与乙酰氯进行傅克酰基化反应合成5乙酰水杨酰胺。
Friedel-Crafts acetylation of salicylamide ( SA ) with acetyl chloride to5-acetylsalicylamide using triethylammonium chloroaluminate ionic liquid ( IL ) as both catalyst and solvent was investigated .
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在超声条件下三乙胺替代三甲胺合成醚化剂GTA
Synthesis of Ether GTA from Triethylamine Instead of Trimethylamine under Ultrasonic Condition
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AKD生产中三乙胺的回收和利用
Recycle of Triethylamine in Producing AKD
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再以D-脯氨酸为原料,先后与乙酰氯、三乙胺和(BOC)2O反应,最后与苯基溴化镁反应,经乙酸乙酯萃取制得目标产物R-二苯基脯氨醇。
Finally the title compound diphenyl [ ( R ) - pyrrolidin-2-yl ] methanol was obtained through reaction with phenyl magnesium bromide and extracting by ethyl acetate .
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采用ESR技术对甲基紫精(MV2+)在三乙胺与C60的电子转移反应中的催化作用进行了研究。
The catalytic role of MV 2 + in the electron transfer reaction between C 60 and Et 3N was directly proved by means of ESR technique .
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本文研究了硫杂蒽酮(TX)/三乙胺(TEA)/氧体系引发甲基丙烯酸甲酯(MMA)光聚合的动力学及影响聚合速度的各种因素。
Photopolymerization of MMA was studied Kinetically using thioxanthone ( TX ) / triethylamine ( TEA ) / oxygen system as initiator . The various factors influencing the polymerization rate were studied .
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三乙胺与2-氯-5-甲氧基对苯醌光电子转移反应的CIDNP研究
Photo-CIDNP Study of Electron Transfer Reaction of Triethylamine with 2-Chloro-5-methoxy-p-benzoquinone
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以三乙胺为模板剂,用水热晶化法,首次在非酸性介质中合成了SAPO-5、SAPO-34型分子筛。
The molecular sieves SAPO-5 and SAPO-34 have been synthesized hydrothermally in the presence of triethylamine templates in non-acid medium .
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UNIQUAC缔合溶液模型成功地描述了乙酸、苯和三乙胺的液液二相平衡。
The UNIQUAC associated-solution model successfully represented the liquid-liquid equilibria of acetic acid , benzene and triethylamine .
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化合物2再在三乙胺作用下与2mol的甲烷磺酰氯反应制成甲磺酸酯(3);
The compound 2 then reacted with 2 equiv. of methylsulfonyl chloride and 3 equiv.
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分别以磷酸、拟薄水铝石和硅溶胶为磷源、铝源和硅源,吗啉和三乙胺为模板剂,采用气相晶化法在不同条件下合成了SAPO-34分子筛。
SAPO-34 molecular sieve was synthesized from phosphoric acid , AlO ( OH )· 3H2O and silica sol with triethylamine or morpholine as templates by gas-phase crystallization .
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较佳反应条件为:第一步反应中,甲醛、异丁醛、三乙胺的用量分别是2.9,2.7,0.07mol,反应时间6h,反应温度70℃;
The optimum reaction conditions were : in the first stage , amount of formaldehyde , isobutyl aldehyde , and triethylamine respectively 2.9,2.7 , and 0.07 mol , reaction time 6 h , reaction temperature 70 ℃;
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利用水热法合成了五硼酸三乙胺[HN(C2H5)3][B5O6(OH)4],并利用单晶X射线衍射技术解析了其结构,同时利用傅立叶红外分析、元素分析及热分析技术加以佐证。
Triethylamine pentaborate , [ HN ( C2H5 ) 3 ] [ B5O6 ( OH ) 4 ] ( 1 ), was hydrothermally synthesized and characterized by single crystal X-ray diffraction , FTIR , elemental analysis , and thermogravimetric analysis .
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流动相:0.5%醋酸溶液和0.25%三乙胺溶液(1∶1)-乙腈(78∶22);检测波长210nm~400nm(3D),268nm(2D);
Mobile phase of 0.5 % acetic acid and 0.25 % triethylamine ( 1 ∶ 1 ) - acetonitrile ( 78 ∶ 22 ) with detection wavelength at 210nm ~ 400nm ( 3D ), and 268nm ( 2D );
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以氯化螺环磷酸酯和双酚A为原料,乙腈为溶剂,三乙胺为缚酸剂和催化剂,在回流条件下反应6h合成了氯化螺环磷酸酯-双酚A共聚物,收率833%。
Flame retardant of copolymer was synthesized in 83.3 % yield by the reaction of spirocyclic pentaerythritol di ( phosphate monochloride ) with bisphenol A using acetonitrile as solvent and triethylamine as catalyst and acid acceptor under refluxing for 6 h.