对甲苯磺酸

  • 网络p-Toluenesulfonic acid;PTSA;TsOH;p-TsOH
对甲苯磺酸对甲苯磺酸
  1. 以纯硅MCM-48为模板、对甲苯磺酸为催化剂、糠醇为碳源成功制备了高度有序的中孔炭分子筛。

    Ordered mesoporous carbon was successfully prepared using siliceous MCM-48 as template , p-toluenesulfonic acid ( PTSA ) as catalyst , and furfuryl alcohol as carbon source .

  2. 究其原因,笔者认为是由于对甲苯磺酸的负载量较少所导致的,所以磺酸-纤维素复合功能材料的合成条件有待优化。

    I believed that the reason was due to a small amount of p-toluenesulfonic acid loading . Therefore , the synthesis conditions of p-toluenesulfonic acid-cellulose composite functional material need to be optimized .

  3. SAM对甲苯磺酸硫酸双盐收率为87.5%。

    The yield of SAM · p-toluenesulfonate sulphate reached 87.5 % .

  4. 以油酸和季戊四醇(PE)为原料,对甲苯磺酸为催化剂,通过直接酯化的方法合成了季戊四醇油酸酯。

    Pentaerythritol oleic acid ester was prepared through the esterification of oleic acid and pentaerythritol with p-toluene sulfonic acid as catalyst .

  5. 聚酯丙烯酸UV树脂的合成在110~120℃进行,甲苯为共沸溶剂,催化剂为对甲苯磺酸。

    The synthesis temperature of polyester acrylic acid UV-curing resin was 110 ~ 120 ℃, azeotropic solvent was toluene , catalyzer was p-toluene sulfonic acid .

  6. 在45℃的条件下,30天后,SAM硫酸盐中有效成分降解了61.0%,而在SAM对甲苯磺酸硫酸双盐中,仅降解了18.4%。

    Under the condition of 45 ℃, the active composition in SAM sulphate reduced by 61.0 % while 18.4 in SAM · p-toluenesulfonate sulphate after 30 days .

  7. 采用有机反相沉淀的方法制备SAM硫酸盐,并在此基础上优化SAM对甲苯磺酸硫酸双盐的制备工艺,解决了以往稳定盐制备中结晶收率低,纯度低的问题。

    The reversal phase precipitation method was involved in the preparation of SAM sulphate and SAM · p-toluenesulfonate sulphate which improved the crystallization yield and product purity .

  8. 以萘为单体、三聚甲醛为交联剂,可在对甲苯磺酸、浓硫酸或氯磺酸的催化下,在150~160℃下反应得到未交联的缩合多核芳香烃树脂(B-树脂)。

    Uncross linked condensed polynuclear aromatics ( COPNA ) resins ( B resins ) were prepared at 150 ℃~ 160 ℃ in the presence of an acid catalyst such as p toluene sulfonic acid , sulfuric acid or chlorosulfonic acid .

  9. 在对甲苯磺酸和硫酸铜复合催化剂存在下,以正辛醛(A)和乙醇(B)为原料经脱水缩合合成了新型香料2-庚基-1,3二口恶戊烷。

    The perfume 2-heptyl-1,3-dioxolane was synthesized by the condensation reaction of n - octyl aldehyde ( A ) with ethylene glycol ( B ) in the presence of a composite catalyst which is composed of p - methyl benzene sulfonic acid and cupric sulfate .

  10. 以水为溶剂、对甲苯磺酸钠为支持电解质,在不锈钢电极上用电化学法合成了聚吡咯膜(PPY膜),发现苯磺酸的存在能更有效地提高PPY膜的电导率。

    This paper deals with electrochemical synthetic polypyrrole ( PPY ) fims prepared by utilizing supporting electrolyte of sodium p_ toluenesulfonate in aqueous solution on stainless steel electrodes .

  11. 在115℃的条件下,以PEG-400为溶剂,对甲苯磺酸能够有效地催化酮肟生成相应的酰胺。

    115 ℃ in the conditions , the PEG-400 as the solvent , p-toluenesulfonic acid catalysis can effectively generate the corresponding oxime amide .

  12. 本文以没食子酸、正丙醇、正丁醇和十二醇为原料,对甲苯磺酸为催化剂,4A分子筛作干燥剂在微波辐射下先后合成了没食子酸丙酯、没食子酸正丁酯与没食子酸月桂酯。

    The Propyl Gallate Butyl Gallate and Dodecyl Gallate were synthesized by gallic acid with propyl alcohol butyl alcohol and dodecanol catalyzed by p-toluenesulfonic acid dehydration by molecular sieves 4A under microwave irradiation .

  13. 以柠檬酸和正丁醇为原料,对甲苯磺酸为酯化催化剂合成柠檬酸三丁酯(TBC)。

    Tri - n - butyl citrate ( TBC ) was synthesized with citric acid and n - butanol as raw materials and p - toluene sulfonic acid as esterification catalyst .

  14. 用含氟醇8.4g、丙烯酸1.5g对甲苯磺酸0.4g在N2气保护下于80~85℃进行酯化反应6~7h,制成含氟丙烯酸酯。

    The fluoro-acrylate was prepared by esterifying from 8.4g fluoro-alcohol , 1.5g acrylic acid and 0 . 4g toluene - p - sulfonic acid at 80-85 ℃ and shielding N2 gas for 6-7 h.

  15. 以3-羟基丁酸和乙醇为原料,在对甲苯磺酸的催化下分别以氧化钙、3A分子筛、无水硫酸镁为脱水剂,采用索氏提取器进行回流脱水合成3-羟基丁酸乙酯。

    Preparation of ethyl 3-hydroxybutyrate from 3-hydroxybutyric acid and ethanol was studied . Reaction was carried out in a Soxhlet extracting set , with paratoluenesulfonic acid as catalyst and CaO , molecular sieve type 3A or MgSO_4 as dehydrating agent .

  16. 以DMSO为溶剂、对甲苯磺酸或浓硫酸作催化剂,由聚乙烯醇和香草醛制备了聚乙烯醇缩香草醛,其缩醛度可达55%。

    The preparation of a polyvinyl acetal by the reaction of polyvinyl alcohol with vanillin is reported . The acetalization is accomplished in a solvent of DMSO with p-toluene sulfonic acid or sulfuric acid as catalysts . The degree of acetalization may attain to 55 % .

  17. 再以对甲苯磺酸为催化剂,用微波辐射技术,经酯化反应得对甲氧基肉桂酸2-乙基己酯,微波功率320W~400W,辐射40min,产率为85%。

    Then 2-ethylhexyl p-methoxy cinnamate was synthesized by esterification under microwave irradiation with p-toluene sulphonic acid as catalyst , while microwave power was 320 ~ 400W and time of irradiation was 40 min , the yield was 85 % .

  18. 在微波辐射下以对甲苯磺酸(p-TsOH)为催化剂,鸟嘌呤和乙酐为原料合成了药物中间体N~2,9-二乙酰基鸟嘌呤(Ⅲ),产率为91.5%且后处理简便。

    Under microwave irradiation , the important pharmaceutical intermediate , N ~ 2,9-Diacetyl guanine was synthesized from guanine and acetic anhydride using p-toluenesulfonic acid ( p-TsOH ) as catalyst with the yield of 91.5 % .

  19. 本文研究新型无机固体超强酸SO4~(2-)/TiO2-ZrO2的制备方法,并用它代替通用的硫酸、对甲苯磺酸作为合成马来酸二正丁酯的催化剂,取得了较理想的结果。

    The methods of preparing a new type inorganic solid superacid SO_4 ~ ( 2 - ) / TiO ) 2-ZrO_2 are studied in this paper and we use it to replace the commonly used sulfuric acid or p-toluene sulfonie acid as the catalyst for the synthesis of di-n-butyl maleat .

  20. 对甲苯磺酸催化合成邻硝基苯甲酸正丁酯

    Catalytic synthesis of butyl o nitrobenzoate with p toluene sulphonic acid

  21. 对甲苯磺酸催化合成醋酸异丙酯

    Catalytic Synthesis of Iso Propyl Acetate with P Toluene Sulfonic Acid

  22. 随着催化剂用量的增加,酯收率随之增大,1%的对甲苯磺酸为适宜的催化剂用量。

    As the amount of catalyst increases , Ester yields increased .

  23. 组合化学方法研究对甲苯磺酸乳酸乙酯的合成工艺

    Process Study of Ethyl ( p-tosylate ) lactate with Combinatorial Strategy

  24. 对甲苯磺酸催化合成肉桂酸环己酯的方法改进

    Improvement on synthesis of cyclohexyl cinnamate with p-toluenesulfonic acid as catalyst

  25. 对甲苯磺酸钠生产过程技术改造

    The Technology Innovation in the Commercial Manufacture of Sodium P-toluene Sulfuric Acid

  26. 对甲苯磺酸催化合成丁酸异戊酯的工艺研究

    Study on Synthesis Technology of Isoamyl Butyrate Catalyzed by p-Toluene Sulphonic Acid

  27. 肾上腺素在对甲苯磺酸修饰电极上的电化学行为

    Electrochemical behavior of epinephrine on a P-toluenesulfonic acid modified glassy carbon electrode

  28. 活性炭固载对甲苯磺酸催化合成尼泊金丙酯

    The synthesis of propyl p-hydroxybenzoate catalyzed by activated carbon supported para-toluenesulfonic acid

  29. 同时简述了对甲苯磺酸的精制和分析方法。

    The paths of purification and analytical approach are described .

  30. 活性炭负载对甲苯磺酸催化合成乙酸对甲酚酯

    Catalytic synthesis of p-cresylic acetate with p-toluene sulphonic acid supported on active carbon