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Baruah MJ, Bora TJ, Gogoi G, Hoque N, Gour NK, Bhargava SK, Guha AK, Nath JK, Das B, Bania KK. Chirally modified cobalt-vanadate grafted on battery waste derived layered reduced graphene oxide for enantioselective photooxidation of 2-naphthol: Asymmetric induction through non-covalent interaction. J Colloid Interface Sci 2022; 608:1526-1542. [PMID: 34742071 DOI: 10.1016/j.jcis.2021.10.091] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/12/2021] [Accepted: 10/16/2021] [Indexed: 12/26/2022]
Abstract
The cobalt oxide-vanadium oxide (Co3O4-V2O5) combined with reduced graphene oxide (rGO) having band gap of ∼ 3.3 eV appeared as a suitable photocatalyst for selective oxidation of 2-naphthol to BINOL. C2-symmetric BINOL was achieved with good yield using hydrogen peroxide as the oxidant under UV-light irradiation. The same catalyst was chirally modified with cinchonidine and a newly synthesized chiral Schiff base ligand having a sigma-hole center. The strong interaction of the chiral modifiers with the cobalt-vanadium oxide was truly evident from various spectroscopic studies and DFT calculations. The chirally modified mixed metal oxide transformed the oxidative CC coupling reaction with high enantioselectivity. High enantiomeric excess upto 92 % of R-BINOL was obtained in acetonitrile solvent and hydrogen peroxide as the oxidant. A significant achievement was the formation of S-BINOL in the case of the cinchonidine modified catalyst and R-BINOL with the Schiff base ligand anchored chiral catalyst. The UV-light induced catalytic reaction was found to involve hydroxyl radical as the active reactive species. The spin trapping ESR and fluorescence experiment provided relevant evidence for the formation of such species through photodecomposition of hydrogen peroxide on the catalyst surface. The chiral induction to the resultant product was found to induce through supramolecular interaction like OH…π, H…Br interaction. The presence of sigma hole center was believed to play significant role in naphtholate ion recognition during the catalytic cycle.
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Affiliation(s)
- Manash J Baruah
- Department of Chemical Sciences, Tezpur University, Assam 784028, India
| | - Tonmoy J Bora
- Department of Chemical Sciences, Tezpur University, Assam 784028, India
| | - Gautam Gogoi
- Department of Chemical Sciences, Tezpur University, Assam 784028, India
| | - Nazimul Hoque
- Department of Chemical Sciences, Tezpur University, Assam 784028, India
| | - Nand K Gour
- Department of Chemical Sciences, Tezpur University, Assam 784028, India
| | - Suresh K Bhargava
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, GPO Box 2476, Melbourne 3001, Australia
| | - Ankur K Guha
- Cotton University, Panbazar, Guwahati, Assam 781001, India
| | - Jayanta K Nath
- Department of Chemistry, S. B. Deorah College, Bora Service, Ulubari, Guwahati 781007, Assam, India
| | - Biraj Das
- Department of Chemistry, Dakha Devi Rasiwasia College, Dibrugarh, Assam 786184, India
| | - Kusum K Bania
- Department of Chemical Sciences, Tezpur University, Assam 784028, India.
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Liu Y, Qin B, Gao H, Ning W, Zhang L, Zheng J, Du Y, Wang Y, Li W, Li R. A core–shell Y zeolite with a mono-crystalline core and a loosely aggregated polycrystalline shell: a hierarchical cracking catalyst for large reactants. Catal Sci Technol 2020. [DOI: 10.1039/c9cy02577d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Increased external surface areas promote the pre-cracking of reactants, and the core–shell structure guarantees that reactants undergo a hierarchical cracking process.
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Affiliation(s)
- Yanchao Liu
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Bo Qin
- Dalian Research Institute of Petroleum & Petrochemicals
- SINOPEC
- Dalian 116045
- China
| | - Hexin Gao
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Weiwei Ning
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Lichen Zhang
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Jiajun Zheng
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Yanze Du
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
- Dalian Research Institute of Petroleum & Petrochemicals
| | - Yan Wang
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Wenlin Li
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Ruifeng Li
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
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3
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Kumari S, Choudhary A, Ray S. The functionality of the hybrid systems driven by molecular dimension of the guest copper Schiff-base complexes entrapped in Zeolite-Y. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4765] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Susheela Kumari
- Birla Institute of Technology and Science; Pilani Rajasthan 333031 India
| | - Archana Choudhary
- Birla Institute of Technology and Science; Pilani Rajasthan 333031 India
| | - Saumi Ray
- Birla Institute of Technology and Science; Pilani Rajasthan 333031 India
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4
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Sharma P, Sharma RK. Electrophilic [N-F] + catalysed asymmetric allylation of (E)-N,1-diphenylmethanimine. Chirality 2018; 31:91-96. [PMID: 30565759 DOI: 10.1002/chir.23039] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 11/01/2018] [Accepted: 11/07/2018] [Indexed: 01/15/2023]
Abstract
New efficient catalysts based on electrophilic N-fluoro quaternary ammonium salts are reported for catalytic allylation of (E)-N,1-diphenylmethanimine. The chiral version of the catalyst based on cinchonidine (F-CD-BF4 ) shows high catalytic activity with approximately 94% ee and TOF (>800 h-1 ). The F-CD-BF4 is prepared from cinchonidine and Selectfluor by one-step transfer fluorination.
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Affiliation(s)
- Poonam Sharma
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, India
| | - Rakesh K Sharma
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, India
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5
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Du Y, Kong Q, Gao Z, Wang Z, Zheng J, Qin B, Pan M, Li W, Li R. Flowerlike Hierarchical Y with Dramatically Increased External Surface: A Potential Catalyst Contributing to Improving Precracking for Bulky Reactant Molecules. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b00751] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yanze Du
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, China
- Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC, Fushun 113001, China
| | - Qinglan Kong
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, China
| | - Zhihong Gao
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, China
| | - Zhijian Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
| | - Jiajun Zheng
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, China
| | - Bo Qin
- Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC, Fushun 113001, China
| | - Meng Pan
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, China
| | - Wenlin Li
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, China
| | - Ruifeng Li
- Research Centre of Energy Chemical & Catalytic Technology, Taiyuan University of Technology, Taiyuan 030024, China
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6
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Altava B, Burguete MI, García-Verdugo E, Luis SV. Chiral catalysts immobilized on achiral polymers: effect of the polymer support on the performance of the catalyst. Chem Soc Rev 2018; 47:2722-2771. [DOI: 10.1039/c7cs00734e] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Achiral polymeric supports can have important positive effects on the activity, stability and selectivity of supported chiral catalysts.
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Affiliation(s)
- Belén Altava
- Department of Inorganic and Organic Chemistry
- University Jaume I
- Castellón
- Spain
| | - M. Isabel Burguete
- Department of Inorganic and Organic Chemistry
- University Jaume I
- Castellón
- Spain
| | | | - Santiago V. Luis
- Department of Inorganic and Organic Chemistry
- University Jaume I
- Castellón
- Spain
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Meenakshi S, Devi S, Pandian K, Devendiran R, Selvaraj M. Sunlight assisted synthesis of silver nanoparticles in zeolite matrix and study of its application on electrochemical detection of dopamine and uric acid in urine samples. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 69:85-94. [DOI: 10.1016/j.msec.2016.06.037] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2016] [Revised: 06/02/2016] [Accepted: 06/09/2016] [Indexed: 10/21/2022]
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Vijaya PK, Murugesan S, Siva A. Highly enantioselective asymmetric Henry reaction catalyzed by novel chiral phase transfer catalysts derived from cinchona alkaloids. Org Biomol Chem 2016; 14:10101-10109. [DOI: 10.1039/c6ob01687a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Newly synthesized CPTCs are applied in the asymmetric Henry reaction to a wide range of aldehydes under mild reaction conditions, and we obtained higher chemical yields and an excellent enantiomeric excess.
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Affiliation(s)
- Ponmuthu Kottala Vijaya
- Department of Inorganic Chemistry
- School of Chemistry
- Madurai Kamaraj University
- Madurai-625 021
- India
| | - Sepperumal Murugesan
- Department of Inorganic Chemistry
- School of Chemistry
- Madurai Kamaraj University
- Madurai-625 021
- India
| | - Ayyanar Siva
- Department of Inorganic Chemistry
- School of Chemistry
- Madurai Kamaraj University
- Madurai-625 021
- India
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