High acidity cellulose sulfuric acid from sulfur trioxide: a highly efficient catalyst for the one step synthesis of xanthene and dihydroquinazolinone derivatives

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High acidity cellulose sulfuric acid from sulfur trioxide: a highly efficient catalyst for the one step synthesis of xanthene and dihydroquinazolinone derivatives

机译：来自三氧化硫的高酸度纤维素硫酸：一种高效的催化剂，用于X吨和二氢喹唑啉酮衍生物的一步合成

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A cellulose sulfonate catalyst (HS-cellulose sulfonate) with high stability, excellent catalytic activity and high acidity value (about 1.55 mmol g(-1)) was successfully prepared by SO3 gas phase sulfonation. The basic morphology and nanostructure of the catalyst were determined by HRTEM, XRD, IR, TG, etc. In addition, the catalyst was applied to the catalytic reaction of a dihydroquinazolinone derivative and a xanthene compound, and very valuable results were obtained. The development and preparation of cellulose sulfonate catalysts provide a good approach for the development and application of cellulose, and also an important application of green organic catalytic synthesis methodology.

机译：通过SO 3气相磺化成功地制备了高稳定性，优异的催化活性和高酸度值（约1.55mmolg（-1））的纤维素磺酸酯（HS-纤维素磺酸盐）。通过HRTEM，XRD，IR，Tg等测定催化剂的基本形态和纳米结构，另外，将催化剂施加到二氢喹唑啉酮衍生物和X吨化合物的催化反应中，得到非常有价值的结果。磺酸纤维素催化剂的开发和制备提供了纤维素的开发和应用的良好方法，以及绿色有机催化合成方法的重要应用。

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《RSC Advances》 |2019年第49期|共6页
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1. High acidity cellulose sulfuric acid from sulfur trioxide: a highly efficient catalyst for the one step synthesis of xanthene and dihydroquinazolinone derivatives [J] . RSC Advances . 2019,第49期

机译：来自三氧化硫的高酸度纤维素硫酸：一种高效的催化剂，用于X吨和二氢喹唑啉酮衍生物的一步合成
2. Cellulose sulfuric acid: an efficient biopolymer-based catalyst for the synthesis of 5H-dibenzo[b,i]xanthene-tetraones and spiro[dibenzo[b,i]xanthene-13,3'-indoline]-pentaones under solvent free conditions [J] . Seyyedeh Cobra Azimi, Hassan Kefayati Iranian Journal of Catalysis . 2013,第3期

机译：纤维素硫酸：一种高效的基于生物聚合物的催化剂，可在无溶剂条件下合成5H-二苯并[b，i] x吨-四酮和螺[di苯并[b，i] x吨-13,3'-二氢吲哚]-戊酮
3. Nanoparticle silica supported sulfuric acid (NPs SiO _2-H _2SO _4): A solid phase acidic catalyst for the one-pot synthesis of benzo[a]xanthene-11-one derivatives [J] . Sadeghi B., Hassanabadi A., Taghvatalab E. Journal of chemical research: reviews and research papers from all branches of chemistry . 2011,第12期

机译：纳米二氧化硅负载的硫酸（NPs SiO _2-H _2SO _4）：一锅合成苯并[a]氧杂蒽-11-one衍生物的固相酸性催化剂
4. Surface Acidity of Sulfuric Acid Activated Maredan Clay Catalysts with Boehm Titration Method and Pyridine Adsorption-FTIR [C] . M Vifttaria, Nurhayati, S Anita Universitas Riau International Conference on Science and Environment . 2020

机译：硫酸活性玛德丹粘土催化剂的表面酸度和吡啶吸附 - FTIR
5. Oxidation of sulfur dioxide to sulfur trioxide over supported vanadia catalysts. [D] . Dunn, Joseph Patrick. 1998

机译：在负载的钒催化剂上将二氧化硫氧化为三氧化硫。
6. Sulfonic acid-functionalized polyallylamine (sevelamer) as an efficient reusable strong solid acid catalyst for the synthesis of xanthenes derivatives [O] . Xian-Liang Zhao, Makombe Shelton, Ke-Fang Yang 2019

机译：磺酸官能化的聚烯丙胺（司维拉姆）是一种有效的可重用的强固酸催化剂用于合成黄嘌呤衍生物
7. High acidity cellulose sulfuric acid from sulfur trioxide: a highly efficient catalyst for the one step synthesis of xanthene and dihydroquinazolinone derivatives [O] . Xiaofei Yue, Zhiqiang Wu, Gang Wang, 2019

机译：来自三氧化硫的高酸度纤维素硫酸：一种高效的催化剂，用于X吨和二氢喹唑啉酮衍生物的一步合成

High acidity cellulose sulfuric acid from sulfur trioxide: a highly efficient catalyst for the one step synthesis of xanthene and dihydroquinazolinone derivatives

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