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Faizan M, Chakraborty M, Bana D, Pawar R. Orbital and free energy landscape expedition towards the unexplored catalytic realm of aromatically modified FLPs for CO 2 sequestration. Phys Chem Chem Phys 2024; 26:23609-23622. [PMID: 39081195 DOI: 10.1039/d4cp01999g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2024]
Abstract
The emergence of frustrated Lewis pairs (FLPs) has created a whole new dimension in the development of metal free catalysts for CO2 sequestration. Efforts have been made to enhance the catalytic activity of the FLPs. The aromatic modulation of the catalytic sites has been successfully demonstrated to enhance the activity towards CO2. Although various aromatically modified geminal FLPs have been investigated for CO2 capture, the catalytic space of these FLPs has not been fully resolved yet. Thus, to fulfil the knowledge gap in the understanding of the catalytic behaviour and to extend the concept of aromatically enhanced FLPs, in the present study all the possible combinations of aromatic and antiaromatic modulations of the acidic and basic sites have been proposed and examined using density functional theory based orbital analysis. Further to verify the results obtained from the orbital analysis and to fully explore the catalytic space of the proposed systems, free energy landscapes have been examined using metadynamics simulations. The detailed intrinsic bond orbital (IBO) and principal interacting orbital (PIO) analyses capture crucial details of the reactions. Furthermore, evolution of anisotropy of induced current density (AICD) along the reaction justifies the effect of aromatic/antiaromatic modulation on the catalytic sites. The results show that highly asynchronous mechanisms have been found due to the aromatic/antiaromatic modulations. The simultaneous favourable aromatic/antiaromatic modification on the acidic and basic sites may greatly reduce the CO2 activation barrier. The enhancement of the acidic character of the B atom in the intramolecular FLPs (IFLPs) leads to a thermodynamically more feasible reaction with stable CO2 adducts. The acidic site has been found to play a major role in controlling the kinetics and thermodynamics of the reaction. This study provides valuable insights into the catalytic realm of the aromatically modified FLPs, which can be utilized to design more efficient and specific next-generation FLPs.
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Affiliation(s)
- Mohmmad Faizan
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal, Telangana 506004, India.
| | - Madhumita Chakraborty
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal, Telangana 506004, India.
| | - Dinesh Bana
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal, Telangana 506004, India.
| | - Ravinder Pawar
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal, Telangana 506004, India.
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Faizan M, Kumar A, Raghasudha M, Pawar R. PIO and IBO analysis to unravel the hidden details of the CO 2 sequestration mechanism of aromatically tempered N/B-based IFLPs. Phys Chem Chem Phys 2023; 25:24809-24818. [PMID: 37671753 DOI: 10.1039/d3cp02928j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Enhancing the catalytic reactivity of Frustrated Lewis Pairs (FLPs) in various activities such as CO2 activation and sequestration has recently gained interest among researchers around the globe. A recent investigation showed the use of aromaticity as a tool to modulate the catalytic behaviour of FLPs, establishing a whole new dimension in this area. In this work, aromatically tempered N/B-based intramolecular frustrated Lewis Pairs (IFLPs) are proposed for CO2 sequestration. Density functional theory (DFT)-based calculations were carried out to probe the reaction mechanism. The detailed mechanistic investigation was carried out using intrinsic reaction coordinate (IRC), principal interacting orbital (PIO), intrinsic bond orbital (IBO) and natural bonding orbital (NBO) analyses. The results show that aromatic gain in the system at the basic sites lowers the activation barrier, whereas the antiaromatic gain results in increased activation energy. The sequestration mechanism was found to be an asynchronous concerted mechanism, and polar solvents result in higher asynchronicity. This work, for the first time, reports asynchronicity in the catalytic behavior of aromatically tempered IFLPs, which can be crucial to designing better IFLPs for CO2 sequestration.
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Affiliation(s)
- Mohmmad Faizan
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal, Telangana-506004, India.
| | - Adarsh Kumar
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal, Telangana-506004, India.
| | - Mucherla Raghasudha
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal, Telangana-506004, India.
| | - Ravinder Pawar
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal, Telangana-506004, India.
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Faizan M, Saini K, Mucherla R, Pawar R. Unprecedented Activation of CO 2 by α-Amino Boronic Acids. J Phys Chem A 2023; 127:7429-7442. [PMID: 37656936 DOI: 10.1021/acs.jpca.3c02508] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/03/2023]
Abstract
Efficient and environmentally benign transformation of carbon dioxide (CO2) into valuable chemicals is mainly obstructed by the lack of suitable catalysts. To date, various catalysts have already been investigated for the conversion of CO2 molecules, but still finding metal-free, simple, and environment-friendly catalysts is a topic of utmost interest among researchers. Thus, in this regard, the present work projects α-amino boronic acids (AABs) as a metal-free and simple catalyst for CO2 activation. The density functional theory (DFT)-based calculations have been carried out to explore the catalytic potential of AABs. The detailed electronic structure analysis of the considered AABs unveils the catalytic similarities with frustrated Lewis pairs (FLPs) in a gas phase. Interestingly, a peculiar catalytic action of AABs has been observed in the presence of solvents. The contrasting catalytic behavior of AABs in solvents has been extensively investigated by employing principal interacting orbital (PIO), intrinsic bond orbital (IBO), and natural bond orbital (NBO) analyses along the reaction paths. The results of the orbital studies provide concrete ground for the observed reaction mechanism. Further, the energetic analysis of the reaction of CO2 with AABs reveals that <5 kcal/mol energy is required for activation in a solvent phase, and the formed adducts are readily active. These observations show that AABs can be considered as an efficient catalyst for CO2 activation.
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Affiliation(s)
- Mohmmad Faizan
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal 506004, Telangana, India
| | - Kajal Saini
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal 506004, Telangana, India
| | - Raghasudha Mucherla
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal 506004, Telangana, India
| | - Ravinder Pawar
- Laboratory of Advanced Computation and Theory for Materials and Chemistry, Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal 506004, Telangana, India
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Faizan M, Pawar R. Novel Insight into the Molecular Frustration of IFLPs Based on Boron-Functionalized Pyrimidines for CO 2 Sequestration. J Phys Chem A 2022; 126:8633-8644. [DOI: 10.1021/acs.jpca.2c05400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Mohmmad Faizan
- Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal506004, Telangana, India
| | - Ravinder Pawar
- Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal506004, Telangana, India
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Antonangelo AR, Hawkins N, Tocci E, Muzzi C, Fuoco A, Carta M. Tröger's Base Network Polymers of Intrinsic Microporosity (TB-PIMs) with Tunable Pore Size for Heterogeneous Catalysis. J Am Chem Soc 2022; 144:15581-15594. [PMID: 35973136 PMCID: PMC9437925 DOI: 10.1021/jacs.2c04739] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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Heterogeneous catalysis plays a pivotal role in the preparation
of value-added chemicals, and it works more efficiently when combined
with porous materials and supports. Because of that, a detailed assessment
of porosity and pore size is essential when evaluating the performance
of new heterogeneous catalysts. Herein, we report the synthesis and
characterization of a series of novel microporous Tröger’s
base polymers and copolymers (TB-PIMs) with tunable pore size. The
basicity of TB sites is exploited to catalyze the Knoevenagel condensation
of benzaldehydes and malononitrile, and the dimension of the pores
can be systematically adjusted with an appropriate selection of monomers
and comonomers. The tunability of the pore size provides the enhanced
accessibility of the catalytic sites for substrates, which leads to
a great improvement in conversions, with the best results achieving
completion in only 20 min. In addition, it enables the use of large
benzaldehydes, which is prevented when using polymers with very small
pores, typical of conventional PIMs. The catalytic reaction is more
efficient than the corresponding homogeneous counterpart and is ultimately
optimized with the addition of a small amount of a solvent, which
facilitates the swelling of the pores and leads to a further improvement
in the performance and to a better carbon economy. Molecular dynamic
modeling of the copolymers’ structures is employed to describe
the swellability of flexible chains, helping the understanding of
the improved performance and demonstrating the great potential of
these novel materials.
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Affiliation(s)
- Ariana R Antonangelo
- Department of Chemistry, Faculty of Science and Engineering, Swansea University, Grove Building, Singleton Park, Swansea SA2 8PP, U.K
| | - Natasha Hawkins
- Department of Chemistry, Faculty of Science and Engineering, Swansea University, Grove Building, Singleton Park, Swansea SA2 8PP, U.K
| | - Elena Tocci
- Institute on Membrane Technology, National Research Council of Italy (CNR-ITM), via P. Bucci 17/C, Rende (CS) 87036, Italy
| | - Chiara Muzzi
- Institute on Membrane Technology, National Research Council of Italy (CNR-ITM), via P. Bucci 17/C, Rende (CS) 87036, Italy
| | - Alessio Fuoco
- Institute on Membrane Technology, National Research Council of Italy (CNR-ITM), via P. Bucci 17/C, Rende (CS) 87036, Italy
| | - Mariolino Carta
- Department of Chemistry, Faculty of Science and Engineering, Swansea University, Grove Building, Singleton Park, Swansea SA2 8PP, U.K
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Faizan M, Pawar R. Boron based intramolecular heterocyclic frustrated Lewis pairs as organocatalysts for CO 2 adsorption and activation. J Comput Chem 2022; 43:1474-1483. [PMID: 35733241 DOI: 10.1002/jcc.26949] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/15/2022] [Accepted: 05/31/2022] [Indexed: 11/09/2022]
Abstract
The massive increase in the amount of carbon dioxide (CO2 ) in the atmosphere has led to serious environmental problems. One of the best ways to tackle this problem is the CO2 capture and its utilization as a C1 carbon source for the production of industrially valuable chemicals. But the thermodynamic stability of the CO2 molecule poses a great challenge in its transformation. Since the last two decades, various metal-based and organic catalysts have been developed for the adsorption and activation of CO2 . Among all the catalysts the Frustrated Lewis pairs (FLPs) have been shown great potential in CO2 capture and conversion. Thus, in the present work, Intramolecular Frustrated Lewis pairs (IFLP) based on N-Heterocycles with boron group functionalization at the α-position to N has been theoretically investigated for CO2 activation. Thorough orbital analysis has been carried out to investigate the reactivity of the proposed catalytic systems. The result shows that the considered IFLPs are capable of activating CO2 with minimum energy requirements. The CO2 activation energy range between 8 and 14 kcal/mol. The non-polar solvent was found to be the suitable medium for the reaction. Also, the reversibility of the adducts formed with the IFLPs can be controlled by appropriate substitution at B atom in the IFLPs.
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Affiliation(s)
- Mohmmad Faizan
- Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal, Telangana, India
| | - Ravinder Pawar
- Department of Chemistry, National Institute of Technology Warangal (NITW), Warangal, Telangana, India
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8
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Jiang B, Liu J, Yang G, Zhang Z. Efficient conversion of CO2 into cyclic carbonates under atmospheric by halogen and metal-free Poly (ionic liquid)s. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.05.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Faizan M, Srivastav N, Pawar R. Azaboratrane as an exceptionally potential organocatalyst for the activation of CO2 and coupling with epoxide. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112201] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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10
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Antonangelo AR, Hawkins N, Carta M. Polymers of intrinsic microporosity (PIMs) for catalysis: a perspective. Curr Opin Chem Eng 2022. [DOI: 10.1016/j.coche.2021.100766] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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11
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Dhameliya TM, Nagar PR, Bhakhar KA, Jivani HR, Shah BJ, Patel KM, Patel VS, Soni AH, Joshi LP, Gajjar ND. Recent advancements in applications of ionic liquids in synthetic construction of heterocyclic scaffolds: A spotlight. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118329] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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12
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Mixed Matrix Membranes Containing a Biphenyl-Based Knitting Aryl Polymer and Gas Separation Performance. MEMBRANES 2021; 11:membranes11120914. [PMID: 34940415 PMCID: PMC8704184 DOI: 10.3390/membranes11120914] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/15/2021] [Accepted: 11/18/2021] [Indexed: 11/17/2022]
Abstract
Novel mixed matrix membranes (MMMs) were prepared using Matrimid (M), polysulfone (PSF) or polyphenylene oxide (PPO) as the continuous phase and a porous biphenyl-based knitting aryl polymer as a filler, synthesized through the Friedel–Craft reaction. The filler had little influence on the thermal and morphological properties of the membranes but affected the mechanical and gas transport properties, which were different depending on the type of matrix. Thus, in the case of MMMs based on Matrimid, the filler increased considerably the permeability to all gases, although no improvements in selectivity were achieved. A PSF-based MMM showed minor permeability increases, but not in all gases, while the selectivity was particularly improved for hydrogen separations. A PPO-based MMM did not exhibit variation in permeability nor in permselectivity with the addition of the filler.
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Catalytic conversion of CO2: Electrochemically to ethanol and thermochemically to cyclic carbonates using nanoporous polytriazine. J CO2 UTIL 2021. [DOI: 10.1016/j.jcou.2021.101676] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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14
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Li Z, Zhi Y, Ni Y, Su H, Miao Y, Shan S. Novel melamine-based porous organic materials as metal-free catalysts for copolymerization of SO2 with epoxide. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123434] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Effect of porous organic polymers in gas separation properties of polycarbonate based mixed matrix membranes. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118795] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Valverde-González A, Guan LZ, Ferrer ML, Iglesias M, Maya EM. Iron Phthalocyanine-Knitted Polymers as Electrocatalysts for the Oxygen Reduction Reaction. ACS APPLIED MATERIALS & INTERFACES 2020; 12:32681-32688. [PMID: 32578975 DOI: 10.1021/acsami.0c07412] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Knitted iron phthalocyanine-based porous polymer networks (K-FePcs) were prepared in a single step using solvent-knitting strategies with commercial iron phthalocyanine as a building monomer. The incorporation of different aryl comonomers (biphenyl and 1,2,4,5-tetraphenylbenzene) to FePc allowed quantitative yields, high porosities, and excellent ORR activity. The reversible Fe(III)/Fe(II) redox potential of FeN4 centers of the knitted polymer networks in N2-saturated electrolyte solution (i.e., ∼0.8 V vs RHE) were shown as good descriptors of their ORR activity. K-FePc2Ph presented the highest amount of FeN4 active sites and an adequate degree of steric hindrance to maintain the isolation between catalytically active sites. Moreover, it displayed comparable current density limits and superior mass activity and half-wave potential (i.e., 0.88 V vs RHE) than those of 20% Pt/C benchmark catalyst, while keeping higher stability toward methanol oxidation. K-FePc2Ph can be an interesting alternative to Pt-based ORR electrocatalysts.
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Highly efficient cycloaddition of diluted and waste CO2 into cyclic carbonates catalyzed by porous ionic copolymers. J CO2 UTIL 2020. [DOI: 10.1016/j.jcou.2019.11.003] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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18
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Recent Advances in the Chemical Fixation of Carbon Dioxide: A Green Route to Carbonylated Heterocycle Synthesis. Catalysts 2019. [DOI: 10.3390/catal9060511] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Carbon dioxide produced by human activities is one of the main contributions responsible for the greenhouse effect, which is modifying the Earth’s climate. Therefore, post-combustion CO2 capture and its conversion into high value-added chemicals are integral parts of today’s green industry. On the other hand, carbon dioxide is a ubiquitous, cheap, abundant, non-toxic, non-flammable and renewable C1 source. Among CO2 usages, this review aims to summarize and discuss the advances in the reaction of CO2, in the synthesis of cyclic carbonates, carbamates, and ureas appeared in the literature since 2017.
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Sanz-Pérez E, Rodríguez-Jardón L, Arencibia A, Sanz R, Iglesias M, Maya E. Bromine pre-functionalized porous polyphenylenes: New platforms for one-step grafting and applications in reversible CO2 capture. J CO2 UTIL 2019. [DOI: 10.1016/j.jcou.2019.02.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Dai W, Mao J, Liu Y, Mao P, Luo X, Zou J. Commercial Polymer Microsphere Grafted TBD-Based Ionic Liquids as Efficient and Low-Cost Catalyst for the Cycloaddition of CO2 with Epoxides. Catal Letters 2019. [DOI: 10.1007/s10562-018-02650-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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21
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Jin T, Dong F, Liu Y, Hu YL. Novel and effective strategy of dual bis(trifluoromethylsulfonyl)imide imidazolium ionic liquid immobilized on periodic mesoporous organosilica for greener cycloaddition of carbon dioxide to epoxides. NEW J CHEM 2019. [DOI: 10.1039/c8nj05273e] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Novel periodic mesoporous organosilica supported ionic liquids were prepared, characterized and evaluated as catalysts for cycloaddition of CO2 to epoxides.
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Affiliation(s)
- Tan Jin
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang 443002
- P. R. China
| | - Fang Dong
- College of Chemistry and Environmental Engineering
- Yancheng Teachers University
- Yancheng 224002
- P. R. China
| | - Yang Liu
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang 443002
- P. R. China
| | - Yu Lin Hu
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang 443002
- P. R. China
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Mesías-Salazar Á, Martínez J, Rojas RS, Carrillo-Hermosilla F, Ramos A, Fernández-Galán R, Antiñolo A. Aromatic guanidines as highly active binary catalytic systems for the fixation of CO2 into cyclic carbonates under mild conditions. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00667b] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The formation of hydrogen bonding causes a considerable decrease in the reaction temperature and CO2 pressure used in this process.
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Affiliation(s)
- Ángela Mesías-Salazar
- Laboratorio de Química Inorgánica
- Facultad de Química
- Universidad Católica de Chile
- Santiago 22 6094411
- Chile
| | - Javier Martínez
- Laboratorio de Química Inorgánica
- Facultad de Química
- Universidad Católica de Chile
- Santiago 22 6094411
- Chile
| | - René S. Rojas
- Laboratorio de Química Inorgánica
- Facultad de Química
- Universidad Católica de Chile
- Santiago 22 6094411
- Chile
| | - Fernando Carrillo-Hermosilla
- Departamento de Química Inorgánica
- Orgánica y Bioquímica-Centro de Innovación en Química Avanzada
- Universidad de Castilla-La Mancha
- Ciudad Real
- Spain
| | - Alberto Ramos
- Departamento de Química Inorgánica
- Orgánica y Bioquímica-Centro de Innovación en Química Avanzada
- Universidad de Castilla-La Mancha
- Ciudad Real
- Spain
| | - Rafael Fernández-Galán
- Departamento de Química Inorgánica
- Orgánica y Bioquímica-Centro de Innovación en Química Avanzada
- Universidad de Castilla-La Mancha
- Ciudad Real
- Spain
| | - Antonio Antiñolo
- Departamento de Química Inorgánica
- Orgánica y Bioquímica-Centro de Innovación en Química Avanzada
- Universidad de Castilla-La Mancha
- Ciudad Real
- Spain
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Maya EM, Verde-Sesto E, Mantione D, Iglesias M, Mecerreyes D. New poly(ionic liquid)s based on poly(azomethine-pyridinium) salts and its use as heterogeneous catalysts for CO2 conversion. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2018.07.030] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Valverde-González A, Marchal G, Maya EM, Iglesias M. A step forward in solvent knitting strategies: ruthenium and gold phosphine complex polymerization results in effective heterogenized catalysts. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00776h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A knitting strategy has been applied to obtain metal–phosphine porous organic polymers (Kphos(M)), resulting in effective heterogenized catalysts for different reactions.
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Affiliation(s)
| | | | - Eva M. Maya
- Instituto de Ciencia de Materiales de Madrid
- CSIC
- Cantoblanco
- Spain
| | - Marta Iglesias
- Instituto de Ciencia de Materiales de Madrid
- CSIC
- Cantoblanco
- Spain
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Chistyakov EM, Buzin MI, Aksenov SM, Tupikov AS, Kireev VV. Thermal polycondensation of hexakis(p-acetylphenoxy)-cyclotriphosphazene. MENDELEEV COMMUNICATIONS 2019. [DOI: 10.1016/j.mencom.2019.01.034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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