苯甲酸乙酯

  • 网络ethyl benzoate;EDAB
苯甲酸乙酯苯甲酸乙酯
  1. 单模聚焦微波合成苯甲酸乙酯的研究

    Study on the synthesis of ethyl benzoate under single-mode focused microwave

  2. 苯甲酸乙酯皂化反应的溶剂效应和活化热力学性质研究

    Study on Solvent Effect and Activation Thermodynamics of Saponification of Ethyl Benzoate

  3. HPLC测定龙血竭中对羟基苯甲酸乙酯的含量

    HPLC determination of ethyl p-hydroxybenzoate in Dragon 's Blood

  4. 固体超强酸S2O8~(2-)/ZrO2-A12O3催化合成对羟基苯甲酸乙酯

    Catalytic Synthesis of Ethyl p-Hydroxybenzoate With the Solid Superacid S_2O_8 ~ ( 2 - ) / ZrO_2-Al_2O_3

  5. TiO2/SO4~2-Al2O3催化合成对硝基苯甲酸乙酯的研究

    Study on Synthesis of Ethyl p-Nitrobenzoate With the Composite Solid Superacid TiO_2 / SO_4 ~ 2-Al_2O_3 Catalyst

  6. 对氨基苯甲酸乙酯与苯乙酮和芳香醛的Mannich反应

    The Mannich reaction of 4 Aminobenzoate with acetophenone and aromatic aldehydes

  7. CuCo2O4催化酯化苯甲酸到苯甲酸乙酯

    Catalytic Esterification of Benzoic Acid to Ethyl Benzoate using CuCo_2O_4 as Catalyst

  8. 对甲氧基苯酚或对羟基苯甲酸乙酯在碱催化下与环氧氯丙烷反应生成环氧化物,然后再与各种胺反应得到胺基异丙醇衍生物,它们的结构经1HNMR、质谱和IR确证;

    P-methoxyphenol or ethyl p-hydroxybenzoate reacted with epichlorohydrin in the presence of base ( NaOH ), the obtained epoxy was then treated with different amines to give 2-propanol derivatives , their structures were determined by 1H NMR , mass spectrum and IR ;

  9. 以异丙基硫杂蒽酮(ITX)/对(二甲基氨基)苯甲酸乙酯(EDAB)为复配引发剂,研究了光引发丙烯酸溶液聚合动力学。

    A kinetic study on the photo induced polymerization of acrylic acid with ITX / EDAB as photo initiator was carried out .

  10. 以苯作为起始原料,经过Friedel-Crafts酰基化反应、黄鸣龙还原、皂化和酯化等合成了其关键中间体4-(4-乙氧基-4-氧正丁基)苯甲酸乙酯(6),收率为36.6%。

    The key intermediate , Ethyl 4 - ( 4-ethoxy - 4-oxobutyl ) benzoate ( 6 ), was obtained from benzene via Friedel-Crafts acylation , Huang reduction , saponification followed by acidification and esterification in 36.6 % yield .

  11. 方法以ODS为固定相,羟苯甲酸乙酯为内标物,以0.2%碳酸铵溶液-乙腈-四氢呋喃(42∶39∶19)为流动相,检测波长为238nm,流速1.0mL·min-1。

    Method The column was packed with ODS , using ethyl parahydroxybenzoate as internal standard . The mobile phase was a mixture of 0.2 % ammonium carbonate-acetonitrile-tetrahydrofuran ( 42 ∶ 39 ∶ 19 ) . Chromatography was performed with ultraviolet detector at 238 nm .

  12. 方法以009mol乙醇和003mol对硝基苯甲酸为原料,06g硫酸氢钠为催化剂,在反应温度78~80℃,反应时间3h条件下合成对硝基苯甲酸乙酯。

    Methods : Ethyl p-nitrobenzoate was synthesized with alcohol 0.09 mol and p-nitrobenzoate acid 0.03 mol as the raw materials , sodium bisulfate 0.6 g acted as the catalyst , with the temperature of reaction at 78 ~ 80 ℃, and the time of reaction for 3 h.

  13. 考察2-乙氧基-5-乙酰氨基苯甲酸乙酯(6)的氯甲基化反应,结果表明,N-氯甲基化反应的产物是主要产物。

    The chloromethylation of ethyl 2-ethoxy-5-acetylamino benzoate gave ethyl 2-ethoxy-5-N-chloromethyl-acetylamino benzoate .

  14. 方法:以对-羟基苯甲酸乙酯为内标,采用反相高效液相色谱法,二极管阵列检测器检测。

    Methods : Using ethyl p-hydroxybenzoate as the internal standard .

  15. 本文还进一步考察了JK008催化剂的使用寿命,研究了合成对羟基苯甲酸乙酯的最佳反应条件。

    The optimum reaction conditions and the catalyst lifetime were also studied .

  16. 酯化反应研究(Ⅱ)&混合催化剂催化苯甲酸乙酯的快速合成

    Studies on ester reaction (ⅱ)── rapid synthes of ethyl benzoate with a mixed catalyst

  17. 研究了用颗粒状活性炭固载对甲苯磺酸作催化剂合成对硝基苯甲酸乙酯。

    Synthesis ofp-nitro-ethylbenzoate catalyzed by p-toluenesulfonic acid supported on granule activated carbon was studied .

  18. 对羟基苯甲酸乙酯合成的新方法

    New Method of Synthesis for Ethyl p-Hydroxybenzoate

  19. 无机高分子Ru-M双金属络合物在苯甲酸乙酯氢化生成环已基甲醇反应中的催化作用

    Catalytic Behavior of Inorganic Polymer-Ru-M Dimetallic Complexes for the Hydrogenation of Ethyl Benzoate to Cyclohexylcarbinol

  20. 均匀设计研究对硝基苯甲酸乙酯的合成

    Synthesis of p-Nitro-ethyl Benzoate with Homogenous Design

  21. 2-乙氧基-5-乙酰氨基苯甲酸乙酯的氯甲基化反应

    Studies on Chloromethylation of Ethyl 2-Ethoxy-5-Acetylamino Benzoate

  22. 以溴代环己烷和苯甲酸乙酯为原料,经过两步反应合成了甲基丙烯酸二环己基苯甲酯。

    With bromocyclohexane and ethyl benzoate as raw materials , dicyclohexylphenylmethyl methacrylate was synthesized by two steps .

  23. 目的建立测定龙血竭中对羟基苯甲酸乙酯含量的方法。

    Object To establish a HPLC method for determination of ethyl p hydroxybenzoate in Dragon 's Blood .

  24. 氯化亚砜滴加到邻氯苯甲酸和乙醇混合物中,反应生成邻氯苯甲酸乙酯。

    Thionylchloride was added to a solution consisting of ethanol and o-chlorobenzoic acid to affore o-chlorobenzoic ester .

  25. 以对羟基苯甲酸乙酯和3,5二硝基苯甲酸为原料,经多步反应合成了1种新的化合物4-(3,5-二氨基苯甲酰氧基)苯甲酸乙酯。

    From 3 , 5-dinitrobenzoic acid and ethyl 4-hydroxybenzoate , a novel bi-Schiff base compound is prepared .

  26. 钛酸酯催化剂的制备及其对酯交换催化性能研究(Ⅰ)&苯甲酸乙酯与异戊醇的酯交换反应

    Preparation of titanates catalysts and their catalytic behavoirs to transesterification (ⅰ): ester exchange reaction of ethyl benzoate with isoamylol

  27. 结果对硝基苯甲酸乙酯收率达98%,硫酸氢钠绝大部分以固体形式存在。

    Results : The yield was over 98 % , and most of the sodium bisulfate was in the solid form .

  28. 研究了以对羟基苯甲酸、乙醇为原料、对甲苯磺酸铜为催化剂、合成对羟基苯甲酸乙酯,并讨论了催化酯化的影响因素。

    The preparation of ethyl p-hydroxybenzoate by the catalytic reaction ofp-hydroxybenzoic acid with ethanol with copper p-toluene sulfonate as catalyst had been studied .

  29. 超分子络合物β-环糊精-苯甲醚/苯甲酸乙酯/间甲酚的核磁共振氢谱分析相转移催化合成对硝基苯甲醚的反应动力学研究

    ~ 1HNMR Investigations of Supramolecular Complexes Between β - Cyclodextrin and Anisole , Ethyl Benzoate , m-Cresol A KINETIC STUDY ON THE SYNTHESIS OF p-NITROANISOLE BY PHASE TRANSFER CATALYST

  30. 本文研究了温度和紫外光对食品防腐剂山梨酸、对羟基苯甲酸乙酯的稳定性和防霉效果的影响。

    In this paper , the affects of temperature and ultraviolet light on the stability and mildewproof effect of sorbic acid and ethyl-p-hydroxybenzoate used as food preserving agent , was studied .