Novel Brønsted Acidic Ionic Liquid ([CMIM][CF3COO]) Prompted Multicomponent Hantzsch Reaction for the Eco-Friendly Synthesis of Acridinediones: An Efficient and Recyclable Catalyst

Patil, Dayanand; Chandam, Dattatray; Mulik, Abhijeet; Patil, Prasad; Jagadale, S. D.; Kant, Rajni; Gupta, Vivek K.; Deshmukh, M. B.

doi:10.1007/s10562-014-1202-z

Cited by 51 publications

(14 citation statements)

References 45 publications

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“…The acidic nature of Bronsted acidic ionic liquids as catalysts has been exploited for many organic transformations like Pechmann reaction, Koch carbonylation, asymmetric Aldol condensation, Aza-Michael reaction, Beckmann rearrangement, synthesis of chalcones, oxidation reactions and Prin's reaction, synthesis of furfural, biodiesel, Hantzsch reaction, and Mannich reaction to mention a few [78][79][80][81][82][83][84][85][86][87][88][89].…”

Section: As Acid Catalystsmentioning

confidence: 99%

Ionic Liquids: Synthesis and Applications in Catalysis

Rajni

2014

Advances in Chemistry

217

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Ionic liquids have emerged as an environmentally friendly alternative to the volatile organic solvents. Being designer solvents, they can be modulated to suit the reaction conditions, therefore earning the name "task specific ionic liquids. " Though primarily used as solvents, they are now finding applications in various fields like catalysis, electrochemistry, spectroscopy, and material science to mention a few. The present review is aimed at exploring the applications of ionic liquids in catalysis as acid, base, and organocatalysts and as soluble supports for catalysts.

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Section: As Acid Catalystsmentioning

confidence: 99%

Ionic Liquids: Synthesis and Applications in Catalysis

Rajni

2014

Advances in Chemistry

217

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“…Ionic liquids (ILs), as a class of environmental functional materials, which have attracted much more attention due to their structural and chemical diversities and have extensive applications in fields of catalysis and chemical transformation . In spite of their applications as catalysts exhibit good catalytic activities for the Hantzsch reaction, most of them have serious drawbacks in terms of costly ILs separation and recyclability. Obviously, the development of more environmentally benign and efficient ionic liquid‐based heterogeneous catalysts are in great demand.…”

Section: Methodsmentioning

confidence: 99%

Novel and Effective Strategy of Multifunctional Titanium Incorporated Mesoporous Material Supported Ionic Liquid Mediated Reusable Hantzsch Reaction

et al. 2019

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Mesoporous material supported functionalized ionic liquids have been designed and synthesized, characterized and evaluated as novel heterogeneous catalysts for the Hantzsch reaction. The as-fabricated catalysts show good performance in the Hantzsch synthesis of 1,4-dihydropyridines under ambient conditions, especially the titanium incorporated mesoporous material supported ionic liquid Ti-SBA-15@IL-BF 4 , based on a synergetic effect of titanium site of mesoporous material carrier and the acidic sites of ionic liquid. In addition, the heterogeneous catalyst offers simple operation for recovery and the recycling test showed that it could be reused for five times without significant loss of catalytic activity.

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“…Such ionic liquids can perform both as a solvent and a catalyst and have been reported to do so in quite a number of organic reactions. The most striking of these reactions include asymmetric Aldol condensation, Mannich reactions, Aza‐Michael reaction, Pechmann reaction, Beckmann rearrangement, Prin reaction, etc …”

Section: Introductionmentioning

confidence: 99%