Novel ionic liquid [2-Eim] HSO4 as a dual catalytic-solvent system for preparation of hexahydroquinolines under green conditions

Ghorbani M.; Noura S.; Oftadeh M.; Gholami E.; Zolfigol M. A.

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Novel ionic liquid [2-Eim] HSO4 as a dual catalytic-solvent system for preparation of hexahydroquinolines under green conditions

机译：新型离子液体[2-EIM] HSO4作为双催化溶剂体系，用于在绿色条件下制备六羟基喹啉

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A novel Bronsted acidic ionic liquid 2-ethylimidazolium hydrogen sulfate, [2-Eim] HSO4, was synthesized. Its structure was investigated using FT-IR, H-1 NMR, C-13 NMR, UV, TGA and DTA spectroscopy. This ionic liquid was utilized as a highly efficient and homogeneous catalyst for the promotion of hexahydroquinolines via one-pot multi-component condensation of aromatic aldehydes, dimedone, ethyl acetoacetate, and ammonium acetate at room temperature and neat conditions. Also, optimization of the reaction conditions was investigated using the response surface method (Central Composite Design (CCD)). This new method consistently has the advantages of excellent yields and short reaction times. Furthermore, the catalyst could be reused and recovered at least four times without appreciable loss of activity.

机译：合成了一种新型的伪造酸性离子液2-乙基咪唑硫酸氢硫酸氢硫酸氢硫酸氢，[2-EIM] HSO4。使用FT-IR，H-1 NMR，C-13 NMR，UV，TGA和DTA光谱研究其结构。该离子液体作为高效均匀的催化剂，用于通过芳族醛，亚硝基，乙基乙酸乙酯和乙酸铵在室温和整洁条件下促进六碳喹啉催化剂。此外，使用响应面法研究了反应条件的优化（中央复合设计（CCD））。这种新方法始终如一的优点，优异的产量和反应时间短。此外，催化剂可以重复使用并至少四次回收，而不会明显丧失活性。

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《RSC Advances》 |2015年第68期|共10页
作者
Ghorbani M.; Noura S.; Oftadeh M.; Gholami E.; Zolfigol M. A.;
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作者单位

Payame Noor Univ Dept Chem Tehran 193954697 Iran;

Payame Noor Univ Dept Chem Tehran 193954697 Iran;

Payame Noor Univ Dept Chem Tehran 193954697 Iran;

Payame Noor Univ Dept Chem Tehran 193954697 Iran;

Bu Ali Sina Univ Fac Chem Hamadan 6517838683 Iran;

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正文语种 eng
中图分类化学;
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1. Novel ionic liquid [2-Eim] HSO4 as a dual catalytic-solvent system for preparation of hexahydroquinolines under green conditions [J] . Ghorbani M., Noura S., Oftadeh M., RSC Advances . 2015,第68期

机译：新型离子液体[2-EIM] HSO4作为双催化溶剂体系，用于在绿色条件下制备六羟基喹啉
2. Greener approach: Ionic liquid [Et3NH][HSO4]-catalyzed multicomponent synthesis of 4-arylidene-2-phenyl-5(4H)oxazolones under solvent-free condition [J] . Jadhav Santosh A., Sarkate Aniket P., Farooqui Mazahar, Synthetic Communications . 2017,第17a20期

机译：更环保的方法：离子液体[ET3NH] [HSO4] - 在无溶剂条件下催化4-亚亚亚亚苯基-5（4H）恶唑酮的多组分合成
3. Green syntheses of levulinate esters using ionic liquid 1-Methyl imidazolium hydrogen sulphate [MIM][HSO4] in solvent free system [J] . Kalghatgi Saurabh G., Bhanage Bhalchandra M. Journal of Molecular Liquids . 2019,第期

机译：利用离子液体1-甲基咪唑硫酸铵[MIM] [HSO4]在溶剂自由系统中的绿色合成
4. Green synthesis of liquid crystal intermediates the preparation of phenylacetylenes in ionic liquids [C] . Bao-You Liu, Hui-Long Yang, Yi-Ping Wang International Symposium on Liquid Crystal Science and Technology . 2010

机译：液晶的绿色合成中间体在离子液体中制备苯乙烯的制备
5. Ionic liquids as lubricants of metal -polymer contacts. Preparation and properties of the first dispersions of ionic liquids and nanoparticles in polymers [D] . Sanes Molina, Jose 2008

机译：离子液体作为金属-聚合物触点的润滑剂。离子液体和纳米粒子在聚合物中的第一分散液的制备和性能
6. Comparison of HSO4− Cl− and MeCO2− as anions in pretreatment of aspen and spruce with imidazolium-based ionic liquids [O] . Zhao Wang, John Gräsvik, Leif J. Jönsson, 2017

机译：咪唑基离子液体预处理白杨木和云杉中作为阴离子的HSO4-Cl-和MeCO2-的比较
7. Comparison of [HSO4](-), [Cl](-) and [MeCO2](-) as anions in pretreatment of aspen and spruce with imidazolium-based ionic liquids [O] . Wang, Zhao, Gräsvik, John, Jönsson, Leif J., 2017

机译：咪唑基离子液体预处理白杨木和云杉中作为阴离子的[HSO4]（-），[Cl]（-）和[MeCO2]（-）的比较

Novel ionic liquid [2-Eim] HSO4 as a dual catalytic-solvent system for preparation of hexahydroquinolines under green conditions

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