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Romero LM, Araya N, Palacio DA, Sánchez-Sanhueza GA, Pérez EG, Solís FJ, Meléndrez MF, Medina C. Study of the Antibacterial Capacity of a Biomaterial of Zeolites Saturated with Copper Ions (Cu 2+) and Supported with Copper Oxide (CuO) Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2140. [PMID: 37513151 PMCID: PMC10384100 DOI: 10.3390/nano13142140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/10/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023]
Abstract
In this work, copper (II) ions were saturated and copper oxide nanoparticles (CuO NPs) were supported in natural zeolite from Chile; this was achieved by making the adsorbent material come into contact with a copper ion precursor solution and using mechanical agitation, respectively. The kinetic and physicochemical process of the adsorption of copper ions in the zeolite was studied, as well as the effect of the addition of CuO NPs on the antibacterial properties. The results showed that the saturation of copper (II) ions in the zeolite is an efficient process, obtaining a 27 g L-1 concentration of copper ions in a time of 30 min. The TEM images showed that a good dispersion of the CuO NPs was obtained via mechanical stirring. The material effectively inhibited the growth of Gram-negative and Gram-positive bacteria that have shown resistance to methicillin and carbapenem. Furthermore, the zeolite saturated with copper at the same concentration had a better bactericidal effect than the zeolite supported with CuO NPs. The results suggested that the ease of processing and low cost of copper (II) ion-saturated zeolitic material could potentially be used for dental biomedical applications, either directly or as a bactericidal additive for 3D printing filaments.
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Affiliation(s)
- Lina M Romero
- Interdisciplinary Group of Applied Nanotechnology (GINA), Hybrid Materials Laboratory (HML), Department of Materials Engineering (DIMAT), Faculty of Engineering, Universidad de Concepción, 270 Edmundo Larenas, Box 160-C, Concepcion 4070409, Chile
| | - Nicolas Araya
- Interdisciplinary Group of Applied Nanotechnology (GINA), Hybrid Materials Laboratory (HML), Department of Materials Engineering (DIMAT), Faculty of Engineering, Universidad de Concepción, 270 Edmundo Larenas, Box 160-C, Concepcion 4070409, Chile
| | - Daniel A Palacio
- Departamento de Polímeros, Facultad de Ciencias Químicas, Universidad de Concepción, 129 Edmundo Larenas, Concepcion 4070409, Chile
| | - Gabriela A Sánchez-Sanhueza
- Department of Restorative Dentistry, Faculty of Dentistry, Universidad de Concepción, Concepcion 4070409, Chile
| | - Eduardo G Pérez
- Facultad de Ciencias Físico-Matemáticas, Universidad Autónoma de Nuevo León, San Nicolas de los Garza, Nuevo Leon 66451, Mexico
| | - Francisco J Solís
- Facultad de Ciencias Físico-Matemáticas, Universidad Autónoma de Nuevo León, San Nicolas de los Garza, Nuevo Leon 66451, Mexico
| | - Manuel F Meléndrez
- Interdisciplinary Group of Applied Nanotechnology (GINA), Hybrid Materials Laboratory (HML), Department of Materials Engineering (DIMAT), Faculty of Engineering, Universidad de Concepción, 270 Edmundo Larenas, Box 160-C, Concepcion 4070409, Chile
- Unidad de Desarrollo Tecnológico, 2634 Av. Cordillera, Parque Industrial Coronel, Box 4051, Concepcion 4191996, Chile
| | - Carlos Medina
- Department of Mechanical Engineering (DIM), Faculty of Engineering, Universidad de Concepción, Edmundo Larenas 270, Concepcion 4070409, Chile
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Recent Advances in Graphene and Graphene‐Based Heterogeneous Nanocatalysts: C−C And C−Y Coupling Reactions in Liquid Phase. ChemistrySelect 2022. [DOI: 10.1002/slct.202202291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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3
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Recent green synthetic approaches toward Ullmann reaction: a review. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02424-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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4
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Valentini F, Ferlin F, Tomarelli E, Mahmoudi H, Bagherzadeh M, Calamante M, Vaccaro L. A Waste-Minimized Approach to Cassar-Heck Reaction Based on POLITAG-Pd 0 Heterogeneous Catalyst and Recoverable Acetonitrile Azeotrope. CHEMSUSCHEM 2021; 14:3359-3366. [PMID: 34240814 PMCID: PMC8457221 DOI: 10.1002/cssc.202101052] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/01/2021] [Indexed: 05/30/2023]
Abstract
Three different Pd0 -based heterogeneous catalysts were developed and tested in the Cassar-Heck reaction (i. e., copper-free Sonogashira reaction) aiming at the definition of a waste minimized protocol. The cross-linked polymeric supports used in this investigation were designed to be adequate for different reaction media and were decorated with different pincer-type ionic ligands having the role of stabilizing the formation and dimension of palladium nanoparticles. Among the ionic tags tested, bis-imidazolium showed the best performances in terms of efficiency and durability of the metal catalytic system. Eventually, aqueous acetonitrile azeotrope was selected as the reaction medium as it allowed the best catalytic efficiency combined with easy recovery and reuse. Finally, the synergy between the selected catalyst and reaction medium allowed to obtain highly satisfactory isolated yields of a variety of substrates while using a low amount of metal catalyst. The high performance of the designed POLymeric Ionic TAG (POLITAG)-Pd0 , along with its good selectivity achieved in a copper-free process, also led to a simplified purification procedure allowing the minimization of the waste generated as also proven by the very low E-factor values (1.4-5) associated.
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Affiliation(s)
- Federica Valentini
- Dipartimento di Chimica, Biologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
| | - Francesco Ferlin
- Dipartimento di Chimica, Biologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
| | - Elena Tomarelli
- Dipartimento di Chimica, Biologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
| | - Hamed Mahmoudi
- Chemistry DepartmentSharif University of TechnologyTehran P.O Box11155 3615Iran
| | - Mojtaba Bagherzadeh
- Chemistry DepartmentSharif University of TechnologyTehran P.O Box11155 3615Iran
| | - Massimo Calamante
- Institute of Chemistry of Organometallic Compounds (CNR-ICCOM)Via Madonna del Piano 1050019Sesto FiorentinoItaly
- Department of Chemistry“U. Schiff”University of FlorenceVia della Lastruccia 1350019Sesto FiorentinoItaly
| | - Luigi Vaccaro
- Dipartimento di Chimica, Biologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
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Baran T, Akay S, Kayan B. Fabrication of Palladium Nanoparticles Supported on Natural Volcanic Tuff/Fe3O4 and Its Catalytic Role in Microwave-Assisted Suzuki–Miyaura Coupling Reactions. Catal Letters 2021. [DOI: 10.1007/s10562-020-03378-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Mohammadi Ziarani G, Mohajer F. An Overview of Quantitative and Qualitative Approaches on the Synthesis of Heterocyclic Kojic Acid Scaffolds through the Multi-Component Reactions. HETEROCYCLES 2021. [DOI: 10.3987/rev-20-936] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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7
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Recent Advancement of Ullmann Condensation Coupling Reaction in the Formation of Aryl-Oxygen (C-O) Bonding by Copper-Mediated Catalyst. Catalysts 2020. [DOI: 10.3390/catal10101103] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Transition metal-catalyzed chemical transformation of organic electrophiles and organometallic reagents belong to the most important cross coupling reaction in organic synthesis. The biaryl ether division is not only popular in natural products and synthetic pharmaceuticals but also widely found in many pesticides, polymers, and ligands. Copper catalyst has received great attention owing to the low toxicity and low cost. However, traditional Ullmann-type couplings suffer from limited substrate scopes and harsh reaction conditions. The introduction of homogeneous copper catalyst with presence of bidentate ligands over the past two decades has totally changed this situation as these ligands enable the reaction promoted in mild condition. The reaction scope has also been greatly expanded, rendering this copper-based cross-coupling attractive for both academia and industry. In this review, we will highlight the latest progress in the development of useful homogeneous copper catalyst with presence of ligand and heterogeneous copper catalyst in Ullmann type C-O cross-coupling reaction. Additionally, the application of Ullmann type C-O cross coupling reaction will be discussed.
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Palladium complexes of chalcogenoethanamine (S/Se) bidentate ligands: Applications in catalytic arylation of C H and O H bonds. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114597] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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CoII Immobilized on Aminated Magnetic-Based Metal–Organic Framework: An Efficient Heterogeneous Nanostructured Catalyst for the C–O Cross-Coupling Reaction in Solvent-Free Conditions. Catal Letters 2020. [DOI: 10.1007/s10562-019-03070-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Murashkina AV, Mitrofanov AY, Beletskaya IP. Copper in Cross-Coupling Reactions: I. Sonogashira-Hagihara Reaction. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2019. [DOI: 10.1134/s1070428019100014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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11
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Arora A, Oswal P, Rao GK, Kaushal J, Kumar S, Singh AK, Kumar A. Chalcogen (S/Se) Ligated Palladium(II) Complexes of Bulky Ligands: Application in
O
‐Arylation of Phenol. ChemistrySelect 2019. [DOI: 10.1002/slct.201901834] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Aayushi Arora
- Department of ChemistrySchool of Physical SciencesDoon University Dehradun 248012, Uttarakhand India
| | - Preeti Oswal
- Department of ChemistrySchool of Physical SciencesDoon University Dehradun 248012, Uttarakhand India
| | - Gyandshwar K. Rao
- Department of ChemistryAmity University Haryana (AUH) Manesar, Gurgaon 122413, Haryana India
| | - Jolly Kaushal
- Department of ChemistrySchool of Physical SciencesDoon University Dehradun 248012, Uttarakhand India
| | - Sushil Kumar
- Department of ChemistrySchool of Physical SciencesDoon University Dehradun 248012, Uttarakhand India
| | - Ajai K. Singh
- Department of ChemistryIndian Institute of Technology Delhi 110016, New Delhi India
| | - Arun Kumar
- Department of ChemistrySchool of Physical SciencesDoon University Dehradun 248012, Uttarakhand India
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Du F, Zhang L, Ma J, Peng X. Hemicelluloses supported palladium/xylan nanocomposites containing N and O ligands: Highly-performance heterogeneous catalysts for Suzuki reaction. Carbohydr Polym 2019; 217:224-231. [DOI: 10.1016/j.carbpol.2019.03.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/26/2019] [Accepted: 03/03/2019] [Indexed: 12/01/2022]
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13
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Vergara-Figueroa J, Alejandro-Martín S, Pesenti H, Cerda F, Fernández-Pérez A, Gacitúa W. Obtaining Nanoparticles of Chilean Natural Zeolite and its Ion Exchange with Copper Salt (Cu 2+) for Antibacterial Applications. MATERIALS 2019; 12:ma12132202. [PMID: 31323906 PMCID: PMC6651861 DOI: 10.3390/ma12132202] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/11/2019] [Accepted: 06/12/2019] [Indexed: 11/24/2022]
Abstract
This article describes the production of nanoparticles of Chilean natural zeolite, using three size reduction methods: Ball mill, microgrinding, and microfluidization. Morphological characterization of samples indicated an average diameter of 37.2 ± 15.8 nm of the zeolite particles. The size reduction and chemical treatments did not affect the morphology or integrity of the zeolite. An increase of the zeolite samples’ Si/Al ratio was observed after the acid treatment and was confirmed by SEM-EDX analysis. Moreover, the effectiveness of the copper salt ion exchange (Cu2+) to the zeolite nanoparticles was analyzed by SEM-EDX. XRD analysis indicated that clinoptilolite and mordenite are the main phases of Chilean natural zeolite, and the crystalline structure was not affected by the modification processes. The FTIR characterization showed the presence of chemical bonds of copper with the zeolite nanoparticle framework. The ion-exchanged zeolite nanoparticles were evaluated for antibacterial behavior by the disc diffusion method. Additionally, the minimum inhibitory concentration and minimum bactericidal concentration were obtained. Microbiological assays with copper-exchanged nanozeolites showed an antimicrobial activity with a bactericidal effect against Escherichia coli and Staphylococcus aureus, which are the primary pathogens of food and are also resistant to multiple drugs. In this study, a new application for natural nanozeolites is demonstrated, as the incorporated copper ions (Cu2+) in nanozeolites registered a productive antibacterial activity.
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Affiliation(s)
- Judith Vergara-Figueroa
- Centro de Biomateriales y Nanotecnología, Universidad del Bío-Bío, Concepción 4030000, Chile.
- Departamento de Ingeniería en Maderas, Facultad de Ingeniería, Universidad del Bío-Bío, Concepción 4030000, Chile.
| | - Serguei Alejandro-Martín
- Departamento de Ingeniería en Maderas, Facultad de Ingeniería, Universidad del Bío-Bío, Concepción 4030000, Chile
- Nanomaterials and Catalysts for Sustainable Processes Group (NanoCatpPS), Concepción 4030000, Chile
| | - Héctor Pesenti
- Departamento de Procesos Industriales, Universidad Católica de Temuco, Temuco 4780000, Chile
| | - Fabiola Cerda
- Departamento de Ingeniería en Alimentos, Universidad del Bío-Bío, Chillán 3780000, Chile
| | - Arturo Fernández-Pérez
- Departamento de Física, Facultad de Ciencias, Universidad del Bío-Bío, Concepción 4030000, Chile
| | - William Gacitúa
- Centro de Biomateriales y Nanotecnología, Universidad del Bío-Bío, Concepción 4030000, Chile
- Departamento de Ingeniería en Maderas, Facultad de Ingeniería, Universidad del Bío-Bío, Concepción 4030000, Chile
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Abstract
The use of transition-metal nanoparticles in catalysis has attracted much interest, and their use in carbon-carbon coupling reactions such as Suzuki, Heck, Sonogashira, Stille, Hiyama, and Ullmann coupling reactions constitutes one of their most important applications. The transition-metal nanoparticles are considered as one of the green catalysts because they show high catalytic activity for several reactions in water. This review is devoted to the catalytic system developed in the past 10 years in transition-metal nanoparticles-catalyzed carbon-carbon coupling reactions such as Suzuki, Heck, Sonogashira, Stille, Hiyama, and Ullmann coupling reactions in water.
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Affiliation(s)
- Atsushi Ohtaka
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
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15
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Ramezani L, Yahyazadeh A, Sheykhan M. The First C−Cl Activation in Ullmann C−O Coupling by MOFs. ChemCatChem 2018. [DOI: 10.1002/cctc.201801111] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Leila Ramezani
- Chemistry Department; University of Guilan; Rasht 4199613776 Iran
| | - Asieh Yahyazadeh
- Chemistry Department; University of Guilan; Rasht 4199613776 Iran
| | - Mehdi Sheykhan
- Chemistry Department; University of Guilan; Rasht 4199613776 Iran
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16
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Moghaddam FM, Eslami M. Immobilized palladium nanoparticles on MNPs@A-N
-AEB as an efficient catalyst for C-O bond formation in water as a green Solvent. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4463] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Firouz Matloubi Moghaddam
- Laboratory of Organic Synthesis and Natural Products, Department of Chemistry; Sharif University of Technology; Tehran Iran
| | - Mohammad Eslami
- Laboratory of Organic Synthesis and Natural Products, Department of Chemistry; Sharif University of Technology; Tehran Iran
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17
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Nejati K, Ahmadi S, Nikpassand M, Kheirollahi Nezhad PD, Vessally E. Diaryl ethers synthesis: nano-catalysts in carbon-oxygen cross-coupling reactions. RSC Adv 2018; 8:19125-19143. [PMID: 35539660 PMCID: PMC9080655 DOI: 10.1039/c8ra02818d] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Accepted: 05/06/2018] [Indexed: 12/05/2022] Open
Abstract
The diaryl ether moiety is not only prevalent in a significant number of natural products and synthetic pharmaceuticals but also widely found in many pesticides, polymers, and ligands. Ullmann-type cross-coupling reactions between phenols and aryl halides are regarded as one of the most important methods for the synthesis of this important and versatile structural motif. In recent years, the use of nano-sized metal catalysts in this coupling reaction has attracted a lot of attention because of these catalysts with their high surface-to-volume ratio, high surface energy, and reactive morphology allows for rapid C-O bond formation under mild and ligand-free conditions. In this review we will highlight the power of these catalysts in Ullmann-type C-O cross-coupling reactions.
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Affiliation(s)
- Kamellia Nejati
- Department of Chemistry, Payame Noor University P. O. Box 19395-1697 Tehran Iran
| | - Sheida Ahmadi
- Department of Chemistry, Payame Noor University P. O. Box 19395-1697 Tehran Iran
| | | | | | - Esmail Vessally
- Department of Chemistry, Payame Noor University P. O. Box 19395-1697 Tehran Iran
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19
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Wu K, Xie ZP, Cui DM, Zhang C. Formal total synthesis of salvianolic acid N. Org Biomol Chem 2018; 16:832-837. [DOI: 10.1039/c7ob03025h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Salvianolic acid N was synthesized starting from 3,4-dimethoxybenzaldehyde in 11 steps and with an overall yield of 11%. The key reaction steps were the Wittig reaction for Z-stereoselectivity, the copper catalyzed intramolecular cyclization for seven membered ring skeleton, and the deprotected allylic group with Pd catalysis.
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Affiliation(s)
- Kong Wu
- College of Pharmaceutical Science
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Zhong Pao Xie
- College of Pharmaceutical Science
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Dong-Mei Cui
- College of Pharmaceutical Science
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Chen Zhang
- School of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
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20
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Venkata Krishna Reddy M, Vasu Govardhana Reddy P, Suresh Reddy C. PEPPSI-SONO-SP2: a new highly efficient ligand-free catalyst system for the synthesis of tri-substituted triazine derivatives via Suzuki–Miyaura and Sonogashira coupling reactions under a green approach. NEW J CHEM 2016. [DOI: 10.1039/c5nj03299g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Consecutive Suzuki–Miyaura and Sonogashira cross coupling reactions catalyzed by a new competent palladium catalyst PEPPSI-SONO-SP2 under mild and green reaction conditions.
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21
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Pradhan S, Dutta S, John RP. A coordination driven self-assembled Pd6L8 nanoball catalyses copper and phosphine-free Sonogashira coupling reaction in both homogeneous and heterogeneous formats. NEW J CHEM 2016. [DOI: 10.1039/c5nj03658e] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A self-assembled Pd6L8 nanocage catalysed copper free Sonogashira reaction under mild and aerobic conditions, at 100 ppm catalyst loading in aqueous medium in the homogeneous phase, and at 500 ppm in the heterogeneous phase.
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Affiliation(s)
- Subhashis Pradhan
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad-826004
- India
| | - Subhadip Dutta
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad-826004
- India
| | - Rohith P. John
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad-826004
- India
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22
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Jiang H, Xue S, Liu Y, Chen R, Xing W. Controllable synthesis of Pd@ZIF-L catalysts by an assembly method. RSC Adv 2016. [DOI: 10.1039/c6ra00909c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Pd@ZIF-L catalysts with uniform morphology and better catalytic performance were fabricated by controlling the 2-MeIM/Zn2+ and PVP/Zn2+ molar ratios.
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Affiliation(s)
- Hong Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 210009
- China
| | - Songlin Xue
- State Key Laboratory of Materials-Oriented Chemical Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 210009
- China
| | - Yefei Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 210009
- China
| | - Rizhi Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 210009
- China
| | - Weihong Xing
- State Key Laboratory of Materials-Oriented Chemical Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 210009
- China
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23
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Copper-free Sonogashira reactions catalyzed by a palladium(II) complex bearing pyrenealdehyde thiosemicarbazonate under ambient conditions. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.07.076] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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