1
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Das K, Majumdar S. Expedient approach for trans-esterification of β-keto esters under solvent free conditions using silica supported boric acid (SiO 2-H 3BO 3) as a recyclable catalyst. RSC Adv 2022; 12:21493-21502. [PMID: 35975067 PMCID: PMC9346990 DOI: 10.1039/d2ra03855b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/19/2022] [Indexed: 11/21/2022] Open
Abstract
A highly efficient trans-esterification of β-keto methyl/ethyl esters with primary, secondary, allylic, benzylic and chiral alcohols has been carried out in excellent yields under solvent-free conditions using silica supported boric acid as a heterogeneous catalyst. The surface morphology of the silica-boric acid catalyst (fresh and recycled) has been characterized by SEM and EDX techniques. This sustainable protocol resulted in a remarkable enhancement in the synthetic efficiency (87-95% yield) with high purity and eliminating the use of an environmentally toxic solvent. The work up procedure is very simple and the catalyst has been successfully recovered and recycled. The present methodology is also applicable for trans-esterification with chiral alcohols on a multi-gram scale without compromising the yield. Noteworthy features of this protocol are simple operational procedure, minimizing production of chemical waste, mild reaction conditions, easy preparation of the catalyst and its recyclability up to five cycles without any appreciable loss of catalytic activity.
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Affiliation(s)
- Kamal Das
- Department of Chemistry, Tripura University Suryamaninagar 799 022 India +91-381-2374802 +91-381-237-9070
| | - Swapan Majumdar
- Department of Chemistry, Tripura University Suryamaninagar 799 022 India +91-381-2374802 +91-381-237-9070
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2
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Jian Fui C, Xin Ting T, Sani Sarjadi M, Sarkar SM, Musta B, Lutfor Rahman M. Bio-heterogeneous Cu(0)NC@PHA for n-aryl/alkylation at room temperature. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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3
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Liu X, Wu Z, Cavalli R, Cravotto G. Sonochemical Preparation of Inorganic Nanoparticles and Nanocomposites for Drug Release–A Review. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c01869] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Xiaolin Liu
- Department of Drug Science and Technology and NIS−Centre for Nanostructured Interfaces and Surfaces, University of Turin, Turin, 10125, Italy
| | - Zhilin Wu
- Department of Drug Science and Technology and NIS−Centre for Nanostructured Interfaces and Surfaces, University of Turin, Turin, 10125, Italy
| | - Roberta Cavalli
- Department of Drug Science and Technology and NIS−Centre for Nanostructured Interfaces and Surfaces, University of Turin, Turin, 10125, Italy
| | - Giancarlo Cravotto
- Department of Drug Science and Technology and NIS−Centre for Nanostructured Interfaces and Surfaces, University of Turin, Turin, 10125, Italy
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow, 109807, Russia
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4
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Abo El-Yazeed W, Abou El-Reash Y, Elatwy L, Ahmed AI. Novel bimetallic Ag-Fe MOF for exceptional Cd and Cu removal and 3,4-dihydropyrimidinone synthesis. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2020.09.028] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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5
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Benzi A, Bianchi L, Giorgi G, Maccagno M, Petrillo G, Tavani C. 2‐Aryl‐3‐Vinyl Substituted Imidazo[1,2‐
a
]pyridines and Fluorescent Electrocyclization Derivatives therefrom. ChemistrySelect 2020. [DOI: 10.1002/slct.201904950] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Alice Benzi
- Dipartimento di Chimica e Chimica IndustrialeUniversità degli Studi di Genova Via Dodecaneso 31 I-16146 Genova Italy
| | - Lara Bianchi
- Dipartimento di Chimica e Chimica IndustrialeUniversità degli Studi di Genova Via Dodecaneso 31 I-16146 Genova Italy
| | - Gianluca Giorgi
- Dipartimento di BiotecnologieChimica e Farmacia, Università di Siena Via A. Moro I-53100 Siena Italy
| | - Massimo Maccagno
- Dipartimento di Chimica e Chimica IndustrialeUniversità degli Studi di Genova Via Dodecaneso 31 I-16146 Genova Italy
| | - Giovanni Petrillo
- Dipartimento di Chimica e Chimica IndustrialeUniversità degli Studi di Genova Via Dodecaneso 31 I-16146 Genova Italy
| | - Cinzia Tavani
- Dipartimento di Chimica e Chimica IndustrialeUniversità degli Studi di Genova Via Dodecaneso 31 I-16146 Genova Italy
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6
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Sun J, Yang X, Liu Y, Wang Y, Pan Y. NIS‐promoted multicomponent reaction of 2‐aminopyridines with aldehydes and nitromethane for the synthesis of 3‐nitroimidazo[1.2‐
a
]pyridines. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3869] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jinwei Sun
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Chemistry and Materials ScienceNanjing University of Information Science and Technology Nanjing Jiangsu China
| | - Xinrui Yang
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Chemistry and Materials ScienceNanjing University of Information Science and Technology Nanjing Jiangsu China
| | - Yun Liu
- School of Chemistry and Material ScienceJiangsu Normal University Xuzhou Jiangsu China
| | - Yi Wang
- School of Chemistry and Chemical EngineeringNanjing University Nanjing China
| | - Yi Pan
- School of Chemistry and Chemical EngineeringNanjing University Nanjing China
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7
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Rather RA, Siddiqui ZN. Silver phosphate supported on metal–organic framework (Ag
3
PO
4
@MOF‐5) as a novel heterogeneous catalyst for green synthesis of indenoquinolinediones. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5176] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
| | - Zeba N. Siddiqui
- Department of ChemistryAligarh Muslim University Aligarh 202002 India
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8
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Reen GK, Kumar A, Sharma P. Recent advances on the transition-metal-catalyzed synthesis of imidazopyridines: an updated coverage. Beilstein J Org Chem 2019; 15:1612-1704. [PMID: 31435443 PMCID: PMC6664406 DOI: 10.3762/bjoc.15.165] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 06/28/2019] [Indexed: 12/21/2022] Open
Abstract
A comprehensive account of recent advances in the synthesis of imidazopyridines, assisted through transition-metal-catalyzed multicomponent reactions, C-H activation/functionalization and coupling reactions are highlighted in this review article. The basic illustration of this review comprises of schemes with concise account of explanatory text. The schemes depict the reaction conditions along with a quick look into the mechanism involved to render a deep understanding of the catalytic role. At some instances optimizations of certain features have been illustrated through tables, i.e., selectivity of catalyst, loading of the catalyst and percentage yield with different substrates. Each of the reported examples has been rigorously analyzed for reacting substrates, reaction conditions and transition metals used as the catalyst. This review will be helpful to the chemists in understanding the challenges associated with the reported methods as well as the future possibilities, both in the choice of substrates and catalysts. This review would be quite appealing to a wider range of organic chemists in academia and industrial R&D sectors working in the field of heterocyclic syntheses. In a nutshell, this review will be a guiding torch to envisage: (i) the role of various transition metals in the domain dedicated towards method development and (ii) for the modifications needed thereof in the R&D sector.
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Affiliation(s)
| | - Ashok Kumar
- School of Chemical Sciences, Devi Ahilya University, Indore, (M. P.), India
| | - Pratibha Sharma
- School of Chemical Sciences, Devi Ahilya University, Indore, (M. P.), India
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9
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Synthesis of bimetallic 4-PySI-Pd@Cu(BDC) via open metal site Cu-MOF: Effect of metal and support of Pd@Cu-MOFs in H2 generation from formic acid. MOLECULAR CATALYSIS 2019. [DOI: 10.1016/j.mcat.2019.01.031] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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10
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El-Yazeed WSA, Ahmed AI. Monometallic and bimetallic Cu–Ag MOF/MCM-41 composites: structural characterization and catalytic activity. RSC Adv 2019; 9:18803-18813. [PMID: 35516892 PMCID: PMC9064976 DOI: 10.1039/c9ra03310f] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 06/07/2019] [Indexed: 12/17/2022] Open
Abstract
Monometallic and bimetallic MOF/MCM-41 composites (Cu, Ag and Cu–Ag) were synthesized via a solvothermal method. The synthesized composites were characterized by XRD, FTIR, SEM, EDX and BET surface area measurements. The acidity was determined through two techniques; potentiometric titration with n-butyl amine for determining the strength and the total number of acid sites and FTIR spectra of chemisorbed pyridine on the surface of MOFs for determining the type of acid sites (Brønsted and/or Lewis). All the prepared MOFs showed Lewis-acid sites and the higher acidity was observed for the bimetallic Cu–Ag MOF/MCM-41 composite. The catalytic activity was examined on the synthesis of 1-amidoalkyl-2-naphthol via the reaction of benzaldehyde, 2-naphthol and benzamide. The best yield (92.86%) was obtained in the least time (10 min) with a molar ratio 1.2 : 1.2 : 1.7 of benzaldehyde : β-naphthol : benzamide and 0.1 g bimetallic Cu–Ag MOF/MCM-41 composite under solvent-free conditions at 130 °C. Reuse of the catalysts showed that they could be used at least four times without any reduction in the catalytic activity. Monometallic and bimetallic MOF/MCM-41 composites (Cu, Ag and Cu–Ag) were synthesized via a solvothermal method.![]()
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Affiliation(s)
| | - Awad I. Ahmed
- Chemistry Department
- Faculty of Science
- Mansoura University
- Mansoura
- Egypt
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11
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Devarajan N, Suresh P. MIL-101-SO3H metal–organic framework as a Brønsted acid catalyst in Hantzsch reaction: an efficient and sustainable methodology for one-pot synthesis of 1,4-dihydropyridine. NEW J CHEM 2019. [DOI: 10.1039/c9nj00990f] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A straightforward and efficient methodology for the synthesis of the medicinally important 1,4-dihydropyridines has been demonstrated using MIL-101-SO3H metal–organic framework as a sustainable Brønsted acid catalyst.
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Affiliation(s)
- Nainamalai Devarajan
- Supramolecular and Catalysis Lab
- Dept. of Natural Products Chemistry
- School of Chemistry
- Madurai Kamaraj University
- Madurai-625021
| | - Palaniswamy Suresh
- Supramolecular and Catalysis Lab
- Dept. of Natural Products Chemistry
- School of Chemistry
- Madurai Kamaraj University
- Madurai-625021
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12
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Tzani M, Kallitsakis MG, Symeonidis TS, Lykakis IN. Alumina-Supported Gold Nanoparticles as a Bifunctional Catalyst for the Synthesis of 2-Amino-3-arylimidazo[1,2- a]pyridines. ACS OMEGA 2018; 3:17947-17956. [PMID: 31458387 PMCID: PMC6643465 DOI: 10.1021/acsomega.8b03047] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 12/06/2018] [Indexed: 05/31/2023]
Abstract
The bifunctional catalytic efficacy of alumina-supported gold nanoparticles (Au/Al2O3) was investigated for the synthesis of a series of 2-amino-3-aryl-imidazopyridines through the chemoselective reduction of the corresponding 2-nitro-3-aryl-imidazo[1,2-a]pyridines in high isolated yields. This highly efficient protocol was initially applied for the synthesis of 2-nitro-3-aryl imidazo[1,2-a]pyridines via the reaction between 2-aminopyridine and nitroalkenes catalyzed by the present catalytic system Au/Al2O3. Moreover, the heterogeneous surface γ-Al2O3 was also found to catalyze this pathway in a comparable manner. However, only Au/Al2O3 was further proved as the appropriate catalytic system for the selective transfer hydrogenation of the synthesized 2-nitro imidazopyridine derivatives into the corresponding 2-amino-3-aryl imidazo[1,2-a]pyridines using NaBH4 as a hydrogen-donor molecule. In addition, the one-pot two-step reaction between nitroalkenes and aminopyridines in the presence of Au/Al2O3-NaBH4 provided directly the fast and facile synthesis of 2-amino-3-aryl imidazopyridines, highlighting a useful synthetic application of the catalytic protocol.
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13
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Alamgholiloo H, Rostamnia S, Hassankhani A, Khalafy J, Baradarani MM, Mahmoudi G, Liu X. Stepwise post-modification immobilization of palladium Schiff-base complex on to the OMS-Cu (BDC) metal-organic framework for Mizoroki-Heck cross-coupling reaction. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4539] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Hassan Alamgholiloo
- Organic and Nano Group (ONG), Department of Chemistry, Faculty of Science; University of Maragheh; PO Box 55181-83111 Maragheh Iran
- Faculty of Chemistry; University of Urmia; Urmia 57153-165 Iran
| | - Sadegh Rostamnia
- Organic and Nano Group (ONG), Department of Chemistry, Faculty of Science; University of Maragheh; PO Box 55181-83111 Maragheh Iran
| | - Asadollah Hassankhani
- Department of New Materials, Institute of Science and High Technology and Environmental Sciences; Graduate University of Advanced Technology; Kerman Iran
| | - Jabbar Khalafy
- Faculty of Chemistry; University of Urmia; Urmia 57153-165 Iran
| | | | - Ghodrat Mahmoudi
- Department of Chemistry, Faculty of Science; University of Maragheh; PO Box 55181-83111 Maragheh Iran
| | - Xiao Liu
- Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry; Central China Normal University; Wuhan 430079 P. R. China
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14
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Kumar BS, Pitchumani K. Chemistry in Confinement: Copper and Palladium Catalyzed Ecofriendly Organic Transformations within Porous Frameworks. CHEM REC 2017; 18:506-526. [DOI: 10.1002/tcr.201700056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Accepted: 11/14/2017] [Indexed: 12/24/2022]
Affiliation(s)
- Basuvaraj Suresh Kumar
- Department of Natural Products Chemistry, School of Chemistry; Madurai Kamaraj University; Madurai 625021, Tamil Nadu India
| | - Kasi Pitchumani
- Department of Natural Products Chemistry, School of Chemistry; Madurai Kamaraj University; Madurai 625021, Tamil Nadu India
- Centre for Green Chemistry Processes, School of Chemistry; Madurai Kamaraj University; Madurai 625021, Tamil Nadu India
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15
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Porous NH 2-MIL-125 as an efficient nano-platform for drug delivery, imaging, and ROS therapy utilized Low-Intensity Visible light exposure system. Colloids Surf B Biointerfaces 2017; 160:1-10. [PMID: 28910676 DOI: 10.1016/j.colsurfb.2017.09.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 08/03/2017] [Accepted: 09/05/2017] [Indexed: 01/31/2023]
Abstract
Metal-organic frameworks are a novel class of organic-inorganic hybrid polymer with potential applications in bioimaging, drug delivery, and ROS therapy. NH2-MIL-125, which is a titanium-based metal organic framework with a large surface area of 1540m2/g, was synthesized using a hydrothermal method. The material was characterized by powder X-ray diffreaction (PXRD), thermogravimetric analysis (TGA), and transmission electron microscopy (TEM), and N2 isotherm analyses. The size of the polymer was reduced to the nanoscale using a high-frequency sonication process. PEGylation was carried out to improve the stability and bioavailability of the NMOF. The as-synthesized nano-NH2-MIL-125/PEG (NMOF/PEG) exhibited good biocompatibility over the (Cancer) MCF-7 and (Normal) COS-7 cell line. The interaction of NMOF/PEG with the breast cancer cell line (MCF-7) was examined by BIO-TEM analysis and laser confocal imaging. 2',7'-dichlorofluorescin diacetate (DCFDA) analysis confirmed that NMOF/PEG produced free radicals inside the cancer cell line (MCF-7) upon visible light irradiation. NMOF/PEG absorbed a large amount of DOX (20wt.% of DOX) and showed pH, and photosensitive release. This controlled drug delivery was attributed to the presence of NH2, Ti group in MOF and a hydroxyl group in PEG. This combination of chemo- and ROS-therapy showed excellent efficiency in killing cancer MCF-7 cells.
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16
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Wei D, Ma H, Zhou X, Shi C, Luo X, Huang G. Cobalt and Copper Co-Catalyzed Three-Component Reactions for the Synthesis of 1,3,4-Trisubstituted Pyrazoles. ChemistrySelect 2017. [DOI: 10.1002/slct.201700987] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Daidong Wei
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou P. R. China
| | - Haojie Ma
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou P. R. China
| | - Xiaoqiang Zhou
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou P. R. China
| | - Chong Shi
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou P. R. China
| | - Xinliang Luo
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou P. R. China
| | - Guosheng Huang
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Department of Chemistry; Lanzhou University; Lanzhou P. R. China
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17
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A novel synthesis route for preparation of tetrazole-based infinite coordination polymers and their application as an efficient catalyst for Michael addition reactions. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2017. [DOI: 10.1007/s13738-017-1101-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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18
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Zhang HY, Hao XP, Mo LP, Liu SS, Zhang WB, Zhang ZH. A magnetic metal–organic framework as a highly active heterogeneous catalyst for one-pot synthesis of 2-substituted alkyl and aryl(indolyl)kojic acid derivatives. NEW J CHEM 2017. [DOI: 10.1039/c7nj01592e] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A novel magnetic metal–organic framework, NiFe2O4@MOF-5, was prepared and demonstrated to be a highly efficient catalyst for the one-pot three-component reaction of aldehyde, indole, and kojic acid.
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Affiliation(s)
- Hong-Yan Zhang
- College of Chemistry and Material Science
- Hebei Normal University
- Shijiazhuang 050024
- China
| | - Xiao-Peng Hao
- College of Chemistry and Material Science
- Hebei Normal University
- Shijiazhuang 050024
- China
| | - Li-Ping Mo
- College of Chemistry and Material Science
- Hebei Normal University
- Shijiazhuang 050024
- China
| | - Sha-Sha Liu
- College of Chemistry and Material Science
- Hebei Normal University
- Shijiazhuang 050024
- China
| | - Wen-Bo Zhang
- College of Chemistry and Material Science
- Hebei Normal University
- Shijiazhuang 050024
- China
| | - Zhan-Hui Zhang
- College of Chemistry and Material Science
- Hebei Normal University
- Shijiazhuang 050024
- China
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19
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Devarajan N, Karthik M, Suresh P. Copper catalyzed oxidative homocoupling of terminal alkynes to 1,3-diynes: a Cu3(BTC)2 MOF as an efficient and ligand free catalyst for Glaser–Hay coupling. Org Biomol Chem 2017; 15:9191-9199. [DOI: 10.1039/c7ob02196h] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
An efficient and sustainable methodology for the synthesis of 1,3-diynes has been demonstrated using a Cu3(BTC)2 metal organic framework.
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Affiliation(s)
- Nainamalai Devarajan
- Supramolecular and Catalysis Lab
- Dept. of Natural Products Chemistry
- School of Chemistry
- Madurai Kamaraj University
- Madurai-625021
| | - Murugan Karthik
- Supramolecular and Catalysis Lab
- Dept. of Natural Products Chemistry
- School of Chemistry
- Madurai Kamaraj University
- Madurai-625021
| | - Palaniswamy Suresh
- Supramolecular and Catalysis Lab
- Dept. of Natural Products Chemistry
- School of Chemistry
- Madurai Kamaraj University
- Madurai-625021
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20
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Devarajan N, Suresh P. Framework-Copper-Catalyzed C−N Cross-Coupling of Arylboronic Acids with Imidazole: Convenient and Ligand-Free Synthesis of N-Arylimidazoles. ChemCatChem 2016. [DOI: 10.1002/cctc.201600480] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Nainamalai Devarajan
- Department of Natural Products Chemistry; School of Chemistry; Madurai Kamaraj University; Madurai- 625021 India
| | - Palaniswamy Suresh
- Department of Natural Products Chemistry; School of Chemistry; Madurai Kamaraj University; Madurai- 625021 India
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21
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Mukhopadhyay S, Dighe SU, Kolle S, Shukla PK, Batra S. NaNO2/I2-Mediated Regioselective Synthesis of Nitrosoimidazoheterocycles from Acetophenones by a Domino Process. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600553] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Sushobhan Mukhopadhyay
- Medicinal and Process Chemistry Division; CSIR - Central Drug Research Institute; Sector 10, Jankipuram Extension; Sitapur Road 226031 Lucknow India
| | - Shashikant U. Dighe
- Medicinal and Process Chemistry Division; CSIR - Central Drug Research Institute; Sector 10, Jankipuram Extension; Sitapur Road 226031 Lucknow India
| | - Shivalinga Kolle
- Medicinal and Process Chemistry Division; CSIR - Central Drug Research Institute; Sector 10, Jankipuram Extension; Sitapur Road 226031 Lucknow India
| | - Praveen K. Shukla
- Microbiology Division; CSIR-CDRI; Sector 10, Jankipuram Extension; Sitapur Road 226031 Lucknow India
- Academy of Scientific and Innovative Research; 11025 New Delhi India
| | - Sanjay Batra
- Medicinal and Process Chemistry Division; CSIR - Central Drug Research Institute; Sector 10, Jankipuram Extension; Sitapur Road 226031 Lucknow India
- Academy of Scientific and Innovative Research; 11025 New Delhi India
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22
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Rostamnia S, Alamgholiloo H, Liu X. Pd-grafted open metal site copper-benzene-1,4-dicarboxylate metal organic frameworks (Cu-BDC MOF’s) as promising interfacial catalysts for sustainable Suzuki coupling. J Colloid Interface Sci 2016; 469:310-317. [DOI: 10.1016/j.jcis.2016.02.021] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 01/26/2016] [Accepted: 02/05/2016] [Indexed: 02/08/2023]
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23
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Dias Pires MJ, Poeira DL, Marques MMB. Metal-Catalyzed Cross-Coupling Reactions of Aminopyridines. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500952] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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24
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Puthiaraj P, Ahn WS. Highly active palladium nanoparticles immobilized on NH2-MIL-125 as efficient and recyclable catalysts for Suzuki–Miyaura cross coupling reaction. CATAL COMMUN 2015. [DOI: 10.1016/j.catcom.2015.02.017] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Shunmughanathan M, Puthiaraj P, Pitchumani K. Melamine-Based Microporous Network Polymer Supported Palladium Nanoparticles: A Stable and Efficient Catalyst for the Sonogashira Coupling Reaction in Water. ChemCatChem 2015. [DOI: 10.1002/cctc.201402844] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Bagdi AK, Santra S, Monir K, Hajra A. Synthesis of imidazo[1,2-a]pyridines: a decade update. Chem Commun (Camb) 2015; 51:1555-75. [DOI: 10.1039/c4cc08495k] [Citation(s) in RCA: 438] [Impact Index Per Article: 48.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Here we describe the various strategies for the synthesis of imidazo[1,2-a]pyridines.
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Affiliation(s)
- Avik Kumar Bagdi
- Department of Chemistry
- Visva-Bharati (A Central University)
- Santiniketan 731235
- India
| | - Sougata Santra
- Department of Chemistry
- Visva-Bharati (A Central University)
- Santiniketan 731235
- India
| | - Kamarul Monir
- Department of Chemistry
- Visva-Bharati (A Central University)
- Santiniketan 731235
- India
| | - Alakananda Hajra
- Department of Chemistry
- Visva-Bharati (A Central University)
- Santiniketan 731235
- India
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