1
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Das S, Datta T, Sk MA, Roy B, Nandi RK. Isoxazole group directed Rh(III)-catalyzed alkynylation using TIPS-EBX. Org Biomol Chem 2024; 22:6922-6927. [PMID: 38978484 DOI: 10.1039/d4ob00797b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
A highly effective isoxazole directed ortho C-H alkynylation has been developed. Rhodium(III) catalyzed direct di-(and/or mono) alkynylation using a hypervalent iodine reagent (TIPS-EBX) is reported. The reaction proceeds with a wide substrate scope under benign conditions. Preliminary mechanistic studies support this chelation assisted C-H alkynylation.
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Affiliation(s)
- Sukanya Das
- Department of Chemistry, Jadavpur University, 188, Raja Subodh Chandra Mallick Rd, Jadavpur, Kolkata, West Bengal 700032, India.
| | - Tanmoy Datta
- Department of Chemistry, Kalyani University, Block C, Nadia, Kalyani, West Bengal 741235, India
| | - Md Abbasuddin Sk
- Department of Chemistry, Jadavpur University, 188, Raja Subodh Chandra Mallick Rd, Jadavpur, Kolkata, West Bengal 700032, India.
| | - Brindaban Roy
- Department of Chemistry, Kalyani University, Block C, Nadia, Kalyani, West Bengal 741235, India
| | - Raj K Nandi
- Department of Chemistry, Jadavpur University, 188, Raja Subodh Chandra Mallick Rd, Jadavpur, Kolkata, West Bengal 700032, India.
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2
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Eor P, Tryon-Tasson N, Anderson JL. Elucidating the role of temperature and water on the π-complexation strength of copper(I) ion-containing ionic liquids using inverse gas chromatography. Anal Chim Acta 2024; 1287:342021. [PMID: 38182360 DOI: 10.1016/j.aca.2023.342021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/07/2023] [Accepted: 11/08/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND The π-complexation capability of copper(I) ion has been exploited in olefin/paraffin separations, but its propensity of undergoing disproportionation to copper(II) ion and copper metal has limited its use. Imidazolium-based ionic liquids (ILs) can serve as solvents for copper(I) ions as they facilitate copper(I) ion-olefin complexation and can enhance its stability. To precisely monitor how copper(I) ions complex with olefins in ILs and evaluate the effects of environmental factors, it is necessary to construct an experimental platform capable of quantitatively measuring their molecular-level interactions. RESULTS This study employs an innovative inverse chromatography platform to measure changes in molecular-level interactions between copper(I) ions and olefins when the temperature and water content in the system are carefully controlled. Gas chromatographic stationary phases comprised of the 1-decyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide ([C10MIM+][NTf2-]) IL containing 0.5 M [Cu+][NTf2-] were pre-heated to 140 °C maximizing copper(I) ion's π-complexation capability. The chromatographic retention of alkenes, dienes, and alkynes on the copper(I) ion/IL stationary phase was observed to be predominantly influenced by their partitioning between the carrier gas and copper(I) ion as well as between the IL and copper(I) ion. Upon introducing water to the system, the Gibbs free energy of solvation for olefins showed less favorable solvation into the stationary phase. In contrast, their solvation was significantly enhanced when the [Cu+][NTf2-]/[C10MIM+][NTf2-] stationary phase was heated to an elevated temperature, indicating that the π-complexation capability of copper(I) ion can be regenerated as needed. SIGNIFICANCE This study demonstrates that the stability of copper(I) ions can be improved by dissolving them into appropriate IL solvents. Moreover, the olefin separation performance of the copper(I) ion/IL stationary phase was found to be adjustable by the application of different column treatment conditions (i.e., heating and water introduction), opening the possibility of devising more stable, reliable, and efficient olefin separation systems based on copper(I) ion and IL solvents.
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Affiliation(s)
- Philip Eor
- Ames National Laboratory-USDOE and Department of Chemistry, Iowa State University, Ames, IA, 50011, USA
| | - Nicholas Tryon-Tasson
- Ames National Laboratory-USDOE and Department of Chemistry, Iowa State University, Ames, IA, 50011, USA
| | - Jared L Anderson
- Ames National Laboratory-USDOE and Department of Chemistry, Iowa State University, Ames, IA, 50011, USA.
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3
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Bietsch J, Chen A, Wang D, Wang G. Synthesis of a Series of Trimeric Branched Glycoconjugates and Their Applications for Supramolecular Gels and Catalysis. Molecules 2023; 28:6056. [PMID: 37630308 PMCID: PMC10459207 DOI: 10.3390/molecules28166056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/27/2023] Open
Abstract
Carbohydrate-derived molecular gelators have found many practical applications as soft materials. To better understand the structure and molecular gelation relationship and further explore the applications of sugar-based gelators, we designed and synthesized eight trimeric branched sugar triazole derivatives and studied their self-assembling properties. These included glucose, glucosamine, galactose, and maltose derivatives. Interestingly, the gelation properties of these compounds exhibited correlations with the peripheral sugar structures. The maltose derivative did not form gels in the tested solvents, but all other compounds exhibited gelation properties in at least one of the solvents. Glucose derivatives showed superior performance, followed by glucosamine derivatives. They typically formed gels in toluene and alcohols; some formed gels in ethanol-water mixtures or DMSO water mixtures. The glycoclusters 9 and 10 demonstrated rate acceleration for the copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions. These were further studied for their metallogels formation properties, and the copper metallogels from compound 9 were successfully utilized to catalyze click reactions. These metallogels were able to form a gel column, which was effective in converting the reactants into the triazole products in multiple cycles. Moreover, the same gel column was used to transform a second click reaction using different reactants. The synthesis and characterization of these compounds and their applications for catalytic reactions were discussed.
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Affiliation(s)
| | | | | | - Guijun Wang
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA 23529, USA; (J.B.); (A.C.); (D.W.)
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4
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Beng TK, Garcia J, Eichwald J, Borg C. Introducing a sulfone-embedded anhydride to the anhydride-imine reaction for the modular synthesis of N-heterocyclic sulfones bearing vicinal stereocenters. RSC Adv 2023; 13:14355-14360. [PMID: 37180005 PMCID: PMC10171042 DOI: 10.1039/d3ra01812a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/01/2023] [Indexed: 05/15/2023] Open
Abstract
N-heterocyclic sulfones constitute the core of several pharmaceuticals, including the antityrpanosomal drug Nifurtimox. Their biological relevance and architectural complexity makes them valued targets and inspires the development of more selective and atom-economical strategies for their construction and post-modification. In this embodiment, we describe a flexible approach to sp3-rich N-heterocyclic sulfones, which hinges on the efficient annulation of a novel sulfone-embedded anhydride with 1,3-azadienes and aryl aldimines. Further elaboration of the lactam esters has facilitated the construction of a library of vicinally functionalized sulfone-embedded N-heterocycles.
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Affiliation(s)
- Timothy K Beng
- Department of Chemistry, Central Washington University Ellensburg WA 98926 USA
| | - Jorge Garcia
- Department of Chemistry, Central Washington University Ellensburg WA 98926 USA
| | - Jane Eichwald
- Department of Chemistry, Central Washington University Ellensburg WA 98926 USA
| | - Claire Borg
- Department of Chemistry, Central Washington University Ellensburg WA 98926 USA
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5
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Sethi S, Jana NC, Panda S, Maharana SK, Bagh B. Copper(i)-catalyzed click chemistry in deep eutectic solvent for the syntheses of β-d-glucopyranosyltriazoles. RSC Adv 2023; 13:10424-10432. [PMID: 37020881 PMCID: PMC10069229 DOI: 10.1039/d3ra01844j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 03/22/2023] [Indexed: 04/05/2023] Open
Abstract
In the last two decades, click chemistry has progressed as a powerful tool in joining two different molecular units to generate fascinating structures with a widespread application in various branch of sciences. copper(i)-catalyzed azide-alkyne cycloaddition (CuAAC) reaction, also known as click chemistry, has been extensively utilized as a versatile strategy for the rapid and selective formation of 1,4-disubstituted 1,2,3-triazoles. The successful use of CuAAC reaction for the preparation of biologically active triazole-attached carbohydrate-containing molecular architectures is an emerging area of glycoscience. In this regard, a well-defined copper(i)-iodide complex (1) with a tridentate NNO ligand (L1) was synthesized and effectively utilized as an active catalyst. Instead of using potentially hazardous reaction media such as DCM or toluene, the use of deep eutectic solvent (DES), an emerging class of green solvent, is advantageous for the syntheses of triazole-glycohybrids. The present work shows, for the first time, the successful use of DES as a reaction medium to click various glycosides and terminal alkynes in the presence of sodium azide. Various 1,4-disubstituted 1,2,3-glucopyranosyltriazoles were synthesized and the pure products were isolated by using a very simple work-up process (filtration). The reaction media was recovered and recycled in five consecutive runs. The presented catalytic protocol generated very minimum waste as reflected by a low E-factor (2.21-3.12). Finally, the optimized reaction conditions were evaluated with the CHEM21 green metrics toolkit.
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Affiliation(s)
- Subrat Sethi
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute Jatni, Khurda Bhubaneswar Odisha PIN 752050 India
| | - Narayan Ch Jana
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute Jatni, Khurda Bhubaneswar Odisha PIN 752050 India
| | - Surajit Panda
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute Jatni, Khurda Bhubaneswar Odisha PIN 752050 India
| | - Suraj Kumar Maharana
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute Jatni, Khurda Bhubaneswar Odisha PIN 752050 India
| | - Bidraha Bagh
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute Jatni, Khurda Bhubaneswar Odisha PIN 752050 India
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6
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Hommelsheim R, Bausch S, Selvakumar A, Amer MM, Truong KN, Rissanen K, Bolm C. A Copper-Catalyzed Interrupted Domino Reaction for the Synthesis of Fused Triazolyl Benzothiadiazine-1-oxides. Chemistry 2023; 29:e202203729. [PMID: 36453242 DOI: 10.1002/chem.202203729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 12/03/2022]
Abstract
Copper(I)-catalyzed domino reactions of 2-azido sulfoximines with 1-iodoalkynes yield fused triazolyl-containing benzothiadiazine-1-oxides. The protocol features the synthesis of two fused heterocyclic rings in one step with good to excellent yields and a broad functional group tolerance. Detailed mechanistic investigations indicate that a copper π-complex initiates a cycloaddition and oxidative C-N coupling reaction sequence. The results suggest an interrupted domino process involving an iodinated triazole as a key intermediate.
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Affiliation(s)
- Renè Hommelsheim
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Sandra Bausch
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Arjuna Selvakumar
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Mostafa M Amer
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany.,Egyptian Petroleum Research Institute, Nasr City, 11727, Cairo, Egypt
| | - Khai-Nghi Truong
- University of Jyvaskyla, Department of Chemistry, P.O. Box. 35, Survontie 9 B, 40014, Jyväskylä, Finland
| | - Kari Rissanen
- University of Jyvaskyla, Department of Chemistry, P.O. Box. 35, Survontie 9 B, 40014, Jyväskylä, Finland
| | - Carsten Bolm
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
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7
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Badawi MAAH, Khairbek AA, Thomas R. Computational studies of the CuAAC reaction mechanism with diimine and phosphorus ligands for the synthesis of 1,4-disubstituted 1,2,3-triazoles. NEW J CHEM 2023; 47:3683-3691. [DOI: 10.1039/d2nj06173b] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
The Cu(i)-catalyzed azide-alkyne cycloaddition (CuAAC) reactions with diimine and phosphorus ligands have been studied using DFT calculations in order to understand the effect of the nature of the ligands on the catalytic cycle for the formation of the 1,4-regioisomer.
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Affiliation(s)
| | - Ali A. Khairbek
- Department of Chemistry, Faculty of Science, Tishreen University, Lattakia, Syrian Arab Republic
| | - Renjith Thomas
- Department of Chemistry, St Berchmans College (Autonomous), Mahatma Gandhi University, Changanassery, Kerala-686101, India
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8
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González-Lainez M, Gallegos M, Munarriz J, Azpiroz R, Passarelli V, Jiménez MV, Pérez-Torrente JJ. Copper-Catalyzed Azide–Alkyne Cycloaddition (CuAAC) by Functionalized NHC-Based Polynuclear Catalysts: Scope and Mechanistic Insights. Organometallics 2022; 41:2154-2169. [PMID: 35971402 PMCID: PMC9374069 DOI: 10.1021/acs.organomet.2c00246] [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: 05/20/2022] [Indexed: 12/02/2022]
Abstract
![]()
Copper(I) [Cu2(μ-Br)2(tBuImCH2pyCH2L)]n (L = OMe,
NEt2, NHtBu) compounds supported by flexible
functionalized NHC-based polydentate ligands have been prepared in
a one-pot procedure by reacting the corresponding imidazolium salt
with an excess of copper powder and Ag2O. An X-ray diffraction
analysis has revealed that
[Cu2(μ-Br)2(tBuImCH2pyCH2NEt2)]n is
a linear coordination polymer formed by bimetallic [Cu(μ-Br)]2 units linked by the lutidine-based NHC-py-NEt2 ligand, which acts as a heteroditopic ligand with a 1κC-2κ2N,N′ coordination
mode. We propose that the polymeric compounds break down in the solution
into more compact tetranuclear [Cu2(μ-Br)2(tBuImCH2pyCH2L)]2 compounds
with a coordination mode identical to the functionalized NHC ligands.
These compounds have been found to exhibit high catalytic activity
in the Cu-catalyzed azide–alkyne cycloaddition (CuAAC) reaction.
In particular, [Cu2(μ-Br)2(tBuImCH2pyCH2NEt2)]2 efficiently
catalyzes the click reaction of a range of azides and alkynes, under
an inert atmosphere at room temperature in neat conditions at a very
low catalyst loading, to quantitatively afford the corresponding 1,4-disubstituted
1,2,3-triazole derivatives in a few minutes. The cycloaddition reaction
of benzyl azide to phenylacetylene can be performed at 25–50
ppm catalyst loading by increasing the reaction time and/or temperature.
Reactivity studies have shown that the activation of the polynuclear
catalyst precursor involves the alkyne deprotonation by the NHC moiety
of the polydentate ligand to afford a copper(I)-alkynyl species bearing
a functionalized imidazolium ligand. DFT calculations support the
participation of the dinuclear species [(CuBr)2(μ-tBuImCH2pyCH2NEt2)], resulting
from the fragmentation of the tetranuclear compound, as the catalytically
active species. The proposed reaction pathway proceeds through zwitterionic
dinuclear intermediates and entails the active participation of both
copper atoms, as well as the NHC moiety as an internal base, which
activates the reacting alkyne via deprotonation.
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Affiliation(s)
- Miguel González-Lainez
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
| | - Miguel Gallegos
- Departamento de Química Física y Analítica, Universidad de Oviedo, 33006 Oviedo, Spain
| | - Julen Munarriz
- Departamento de Química Física y Analítica, Universidad de Oviedo, 33006 Oviedo, Spain
| | - Ramón Azpiroz
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
| | - Vincenzo Passarelli
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
| | - M. Victoria Jiménez
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
| | - Jesús J. Pérez-Torrente
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
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9
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Li T, Dief EM, Kalužná Z, MacGregor M, Foroutan-Nejad C, Darwish N. On-Surface Azide-Alkyne Cycloaddition Reaction: Does It Click with Ruthenium Catalysts? LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:5532-5541. [PMID: 35470670 PMCID: PMC9097529 DOI: 10.1021/acs.langmuir.2c00100] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 04/11/2022] [Indexed: 05/12/2023]
Abstract
Owing to its simplicity, selectivity, high yield, and the absence of byproducts, the "click" azide-alkyne reaction is widely used in many areas. The reaction is usually catalyzed by copper(I), which selectively produces the 1,4-disubstituted 1,2,3-triazole regioisomer. Ruthenium-based catalysts were later developed to selectively produce the opposite regioselectivity─the 1,5-disubstituted 1,2,3-triazole isomer. Ruthenium-based catalysis, however, remains only tested for click reactions in solution, and the suitability of ruthenium catalysts for surface-based click reactions remains unknown. Also unknown are the electrical properties of the 1,4- and 1,5-regioisomers, and to measure them, both isomers need to be assembled on the electrode surface. Here, we test whether ruthenium catalysts can be used to catalyze surface azide-alkyne reactions to produce 1,5-disubstituted 1,2,3-triazole, and compare their electrochemical properties, in terms of surface coverages and electron transfer kinetics, to those of the compound formed by copper catalysis, 1,4-disubstituted 1,2,3-triazole isomer. Results show that ruthenium(II) complexes catalyze the click reaction on surfaces yielding the 1,5-disubstituted isomer, but the rate of the reaction is remarkably slower than that of the copper-catalyzed reaction, and this is related to the size of the catalyst involved as an intermediate in the reaction. The electron transfer rate constant (ket) for the ruthenium-catalyzed reaction is 30% of that measured for the copper-catalyzed 1,4-isomer. The lower conductivity of the 1,5-isomer is confirmed by performing nonequilibrium Green's function computations on relevant model systems. These findings demonstrate the feasibility of ruthenium-based catalysis of surface click reactions and point toward an electrical method for detecting the isomers of click reactions.
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Affiliation(s)
- Tiexin Li
- School
of Molecular and Life Sciences, Curtin University, Bentley, Western Australia 6102, Australia
| | - Essam M. Dief
- School
of Molecular and Life Sciences, Curtin University, Bentley, Western Australia 6102, Australia
| | - Zlatica Kalužná
- Institute
of Organic Chemistry, Polish Academy of
Sciences, Kasprzaka 44/52, 01-224Warsaw, Poland
- University
of Warsaw, Faculty of Physics, Pasteura 5, 00-092Warsaw, Poland
| | - Melanie MacGregor
- Flinders
Institute for Nanoscale Science & Technology, Flinders University, Bedford
Park, South Australia5042, Australia
| | - Cina Foroutan-Nejad
- Institute
of Organic Chemistry, Polish Academy of
Sciences, Kasprzaka 44/52, 01-224Warsaw, Poland
- Institute
of Organic Chemistry and Biochemistry, Czech
Academy of Sciences, Flemingovo nám. 2, CZ-16610Prague, Czech Republic
| | - Nadim Darwish
- School
of Molecular and Life Sciences, Curtin University, Bentley, Western Australia 6102, Australia
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10
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Héron J, Balcells D. Concerted Cycloaddition Mechanism in the CuAAC Reaction Catalyzed by 1,8-Naphthyridine Dicopper Complexes. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Julie Héron
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, Oslo 0315, Norway
| | - David Balcells
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, Oslo 0315, Norway
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11
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Drzeżdżon J, Pawlak M, Gawdzik B, Wypych A, Kramkowski K, Kowalczyk P, Jacewicz D. Dipicolinate Complexes of Oxovanadium(IV) and Dioxovanadium(V) with 2-Phenylpyridine and 4,4'-Dimethoxy-2,2'-bipyridyl as New Precatalysts for Olefin Oligomerization. MATERIALS (BASEL, SWITZERLAND) 2022; 15:1379. [PMID: 35207920 PMCID: PMC8875215 DOI: 10.3390/ma15041379] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/07/2022] [Accepted: 02/10/2022] [Indexed: 02/04/2023]
Abstract
Polyolefins are used in everyday life, including in the production of many types of plastic. In addition, polyolefins account for over 50% of the polymers produced in the world. After conducting the oligomerization reactions of 2-propen-1-ol, 2-chloro-2-propen-1-ol, and norborene, polyolefins are obtained. In this report, two complexes of oxovanadium(IV) and dioxovanadium(V) with dipicolinate, 2-phenylyridine, and 4,4'-dimethoxy-2,2'-bipyridyl as precatalysts for 2-propen-1-ol, 2-chloro-2-propen-1-ol, and norborene oligomerizations are prepared. We present for the first time the new dipicolinate complex compound of oxovanadium(IV) with 4,4'-dimetoxy-2,2'-bipyridyl. Both complexes were tested for catalytic activity in the oligomerization reactions of 2-propen-1-ol, 2-chloro-2-propen-1-ol, and norbornene. Both synthesized complexes showed high catalytic activity in these oligomerization reactions, except for the oligomerization of norbornene.
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Affiliation(s)
- Joanna Drzeżdżon
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (D.J.)
| | - Marta Pawlak
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (D.J.)
| | - Barbara Gawdzik
- Institute of Chemistry, Jan Kochanowski University, Uniwersytecka 7, 25406 Kielce, Poland;
| | - Aleksandra Wypych
- Centre for Modern Interdisciplinary Technologies Nicolaus Copernicus, University in Torun ul. Wileńska 4, 87-100 Toruń, Poland;
| | - Karol Kramkowski
- Department of Physical Chemistry, Medical University of Bialystok, Kilińskiego 1, 15-089 Białystok, Poland;
| | - Paweł Kowalczyk
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110 Jabłonna, Poland
| | - Dagmara Jacewicz
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (D.J.)
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Nasrollahzadeh M, Motahharifar N, Sajjadi M, Naserimanesh A, Shokouhimehr M. Functionalization of chitosan by grafting Cu(II)-5-amino-1H-tetrazole complex as a magnetically recyclable catalyst for C-N coupling reaction. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2021.109135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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13
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Shikha, Jacob J. Dendritic core derived unimolecular micelles with poly(lactic acid) arms: Synthesis and application as a phase transfer agent. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5617] [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]
Affiliation(s)
- Shikha
- Department of Materials Science and Engineering Indian Institute of Technology Delhi New Delhi India
| | - Josemon Jacob
- Department of Materials Science and Engineering Indian Institute of Technology Delhi New Delhi India
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14
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Lee YW, Yeop J, Kim JY, Woo HY. Fullerene-Based Photoactive A-D-A Triads for Single-Component Organic Solar Cells: Incorporation of Non-Fused Planar Conjugated Core. Macromol Res 2022. [DOI: 10.1007/s13233-021-9100-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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15
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Kumar K, Agrahari AK, Pratap R, Tiwari VK, Bhattacharya S. Synthesis and structural features of a series of Cu( i) furan-2-thiocarboxylate complexes: efficient “click” catalysts for the synthesis of glycoconjugates and glycocluster. NEW J CHEM 2022. [DOI: 10.1039/d2nj03433f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of phosphinecopper(i) thiocarboxylates have been synthesized and characterized structurally. These complexes act as efficient catalysts for the 'click' azide–alkyne cycloaddition leading to glycoconjugates and a glycocluster.
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Affiliation(s)
- Krishna Kumar
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India
| | - Anand K. Agrahari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India
| | - Rajesh Pratap
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India
| | - Vinod K. Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India
| | - Subrato Bhattacharya
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India
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16
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Selim A, Neethu KM, Gowri V, Sartaliya S, Kaur S, Jayamurugan G. Thiol‐Functionalized Cellulose Wrapped Copperoxide as a Green Nano Catalyst for Regiospecific Azide‐Alkyne Cycloaddition Reaction: Application in Rufinamide Synthesis. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100658] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Abdul Selim
- Institute of Nano Science and Technology (INST) Knowledge City, Sector 81 Mohali Punjab 140306 India
| | - K. M. Neethu
- Institute of Nano Science and Technology (INST) Knowledge City, Sector 81 Mohali Punjab 140306 India
| | - Vijayendran Gowri
- Institute of Nano Science and Technology (INST) Knowledge City, Sector 81 Mohali Punjab 140306 India
| | - Shaifali Sartaliya
- Institute of Nano Science and Technology (INST) Knowledge City, Sector 81 Mohali Punjab 140306 India
| | - Sharanjeet Kaur
- Institute of Nano Science and Technology (INST) Knowledge City, Sector 81 Mohali Punjab 140306 India
| | - Govindasamy Jayamurugan
- Institute of Nano Science and Technology (INST) Knowledge City, Sector 81 Mohali Punjab 140306 India
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17
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Reina A, Dang-Bao T, Guerrero-Ríos I, Gómez M. Palladium and Copper: Advantageous Nanocatalysts for Multi-Step Transformations. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1891. [PMID: 34443727 PMCID: PMC8401531 DOI: 10.3390/nano11081891] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/16/2021] [Accepted: 07/19/2021] [Indexed: 12/13/2022]
Abstract
Metal nanoparticles have been deeply studied in the last few decades due to their attractive physical and chemical properties, finding a wide range of applications in several fields. Among them, well-defined nano-structures can combine the main advantages of heterogeneous and homogeneous catalysts. Especially, catalyzed multi-step processes for the production of added-value chemicals represent straightforward synthetic methodologies, including tandem and sequential reactions that avoid the purification of intermediate compounds. In particular, palladium- and copper-based nanocatalysts are often applied, becoming a current strategy in the sustainable synthesis of fine chemicals. The rational tailoring of nanosized materials involving both those immobilized on solid supports and liquid phases and their applications in organic synthesis are herein reviewed.
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Affiliation(s)
- Antonio Reina
- Departamento de Química Inorgánica y Nuclear, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
| | - Trung Dang-Bao
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Vietnam
- Vietnam National University—Ho Chi Minh City (VNU—HCM), Ho Chi Minh City 700000, Vietnam
| | - Itzel Guerrero-Ríos
- Departamento de Química Inorgánica y Nuclear, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
| | - Montserrat Gómez
- Laboratoire Hétérochimie Fondamentale et Appliquée, Université Toulouse 3—Paul Sabatier, UMR CNRS 5069, 118 Route de Narbonne, CEDEX 9, 31062 Toulouse, France;
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18
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Kalra P, Kaur R, Singh G, Singh H, Singh G, Pawan, Kaur G, Singh J. Metals as “Click” catalysts for alkyne-azide cycloaddition reactions: An overview. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.121846] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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19
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Taia A, Ibrahimi BE, Benhiba F, Ashfaq M, Tahir MN, Essaber M, Aatif A, Hökelek T, Mague JT, Sebbar NK, Essassi EM. Syntheses, single crystal X-ray structure, Hirshfeld surface analyses, DFT computations and Monte Carlo simulations of New Eugenol derivatives bearing 1,2,3-triazole moiety. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130189] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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20
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Pandey S, Mandal T. Discrete Benzotriazole‐Copper(II) Complexes in Chelated and Non‐Chelated Coordination Modes: Structural Analysis and Catalytic Application in Click and A
3
Coupling Reactions. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100103] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Sharmila Pandey
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Bhopal Bhopal 462 066 India
- School of Sciences SAGE University Bhopal Bhopal 462 022 India
| | - Tanmoy Mandal
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Bhopal Bhopal 462 066 India
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21
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Bahsis L, Ablouh E, Hachim ME, Anane H, Taourirte M, Julve M, Stiriba S. Copper(I)‐chitin biopolymer based: An efficient and recyclable catalyst for click azide–alkyne cycloaddition reactions in water. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6275] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Lahoucine Bahsis
- Laboratoire de Chimie de Coordination et d'Analytique (LCCA), Département de Chimie, Faculté des Sciences d'El Jadida Université Chouaïb Doukkali El Jadida Morocco
- Laboratoire de Chimie Analytique et Moléculaire, LCAM, Faculté Polydisciplinaire de Safi Université Cadi Ayyad Safi Morocco
| | - El‐Houssaine Ablouh
- Materials Science and Nanoengineering Department (MSN) Mohammed VI Polytechnic University (UM6P) Ben Guerir Morocco
| | - Mouhi Eddine Hachim
- Équipe de Modélisation Moléculaire et de Spectroscopie, Faculté des sciences Université de Chouaïb Doukkali El Jadida Morocco
| | - Hafid Anane
- Laboratoire de Chimie Analytique et Moléculaire, LCAM, Faculté Polydisciplinaire de Safi Université Cadi Ayyad Safi Morocco
| | - Moha Taourirte
- Laboratoire de Chimie Bioorganique et Macromoléculaire, Faculté des Sciences et Techniques de Marrakech Université Cadi Ayyad Marrakech Morocco
| | - Miguel Julve
- Instituto de Ciencia Molecular/ICMol Universidad de Valencia Valencia Spain
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22
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Darroudi M, Hamzehloueian M, Sarrafi Y. An experimental and mechanism study on the regioselective click reaction toward the synthesis of thiazolidinone-triazole. Heliyon 2021; 7:e06113. [PMID: 33644441 PMCID: PMC7889834 DOI: 10.1016/j.heliyon.2021.e06113] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/23/2020] [Accepted: 01/26/2021] [Indexed: 12/14/2022] Open
Abstract
An efficient procedure for the synthesis of novel thiazolidinone triazoles through 32 cycloaddition reactions in the presence of copper(I) species was described, and the molecular mechanism of this 32CA was investigated computationally. Different possible pathways for CA process have been studied to achieve this goal, including one-step pathways for both regioisomers 1,4- and 1,5-triazoles (uncatalyzed, mono-copper, di-copper) and also mono- and di-copper stepwise pathways for 1,4-disubstituted triazole. It was exhibited that the most convenient route in terms of energy barriers includes two copper ions. Based on the calculation, the reaction follows a di-copper stepwise mechanism involving the formation of a six-membered ring and then undergoes a ring contraction to a five-membered ring. The regiochemistry of the reaction was investigated based on local and global reactivity indices of reactants, the transition state stabilities calculation. The electron reorganization along the uncatalyzed one-step mechanism has been investigated by the ELF topological analysis of the bonding changes along with the CA reaction.
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Affiliation(s)
- Mahdieh Darroudi
- Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, 47416 Babolsar, Iran
| | | | - Yaghoub Sarrafi
- Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, 47416 Babolsar, Iran
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23
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The Catalytic Activity of Carbon-Supported Cu(I)-Phosphine Complexes for the Microwave-Assisted Synthesis of 1,2,3-Triazoles. Catalysts 2021. [DOI: 10.3390/catal11020185] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A set of Cu(I) complexes with 3,7-diacetyl-1,3,7-triaza-5-phosphabicyclo-[3.3.1]nonane (DAPTA) phosphine ligands viz. [CuX(κP-DAPTA)3] (1: X = Br; 2: X = I) and [Cu(μ-X)(κP-DAPTA)2]2 (3: X = Br; 4: X = I) were immobilized on activated carbon (AC) and multi-walled carbon nanotubes (CNT), as well as on these materials after surface functionalization. The immobilized copper(I) complexes have shown favorable catalytic activity for the one-pot, microwave-assisted synthesis of 1,2,3-triazoles via the azide-alkyne cycloaddition reaction (CuAAC). The heterogenized systems with a copper loading of only 1.5–1.6% (w/w relative to carbon), established quantitative conversions after 15 min, at 80 °C, using 0.5 mol% of catalyst loading (relative to benzyl bromide). The most efficient supports concerning heterogenization were CNT treated with nitric acid and NaOH, and involving complexes 2 and 4 (in the same order, 2_CNT-ox-Na and 4_CNT-ox-Na). The immobilized catalysts can be recovered and recycled by simple workup and reused up to four consecutive cycles although with loss of activity.
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24
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Pyridinyl-triazole ligand systems for highly efficient CuI-catalyzed azide-alkyne cycloaddition. CATAL COMMUN 2021. [DOI: 10.1016/j.catcom.2020.106165] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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25
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Liu Z, Budiman YP, Tian Y, Friedrich A, Huang M, Westcott SA, Radius U, Marder TB. Copper-Catalyzed Oxidative Cross-Coupling of Electron-Deficient Polyfluorophenylboronate Esters with Terminal Alkynes. Chemistry 2020; 26:17267-17274. [PMID: 32697365 PMCID: PMC7821263 DOI: 10.1002/chem.202002888] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Indexed: 01/13/2023]
Abstract
We report herein a mild procedure for the copper-catalyzed oxidative cross-coupling of electron-deficient polyfluorophenylboronate esters with terminal alkynes. This method displays good functional group tolerance and broad substrate scope, generating cross-coupled alkynyl(fluoro)arene products in moderate to excellent yields. Thus, it represents a simple alternative to the conventional Sonogashira reaction.
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Affiliation(s)
- Zhiqiang Liu
- Institute of Inorganic Chemistry andInstitute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Yudha P. Budiman
- Institute of Inorganic Chemistry andInstitute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
- Department of ChemistryFaculty of Mathematics and Natural SciencesUniversitas Padjadjaran45363JatinangorIndonesia
| | - Ya‐Ming Tian
- Institute of Inorganic Chemistry andInstitute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Alexandra Friedrich
- Institute of Inorganic Chemistry andInstitute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Mingming Huang
- Institute of Inorganic Chemistry andInstitute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Stephen A. Westcott
- Department of Chemistry and BiochemistryMount Allison UniversitySackvilleNB E4L 1G8Canada
| | - Udo Radius
- Institute of Inorganic Chemistry andInstitute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Todd B. Marder
- Institute of Inorganic Chemistry andInstitute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
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26
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Darroudi M, Ranjbar S, Esfandiar M, Khoshneviszadeh M, Hamzehloueian M, Khoshneviszadeh M, Sarrafi Y. Synthesis of Novel Triazole Incorporated Thiazolone Motifs Having Promising Antityrosinase Activity through Green Nanocatalyst CuI‐Fe
3
O
4
@SiO
2
(TMS‐EDTA). Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5962] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Mahdieh Darroudi
- Department of Organic Chemistry, Faculty of Chemistry University of Mazandaran Babolsar 47416 Iran
| | - Sara Ranjbar
- Pharmaceutical Sciences Research Center Shiraz University of Medical Sciences Shiraz Iran
| | - Mohammad Esfandiar
- Department of Organic Chemistry, Faculty of Chemistry University of Mazandaran Babolsar 47416 Iran
| | - Mahsima Khoshneviszadeh
- Medicinal and Natural Products Chemistry Research Center Shiraz University of Medical Sciences Shiraz Iran
| | | | - Mehdi Khoshneviszadeh
- Medicinal and Natural Products Chemistry Research Center Shiraz University of Medical Sciences Shiraz Iran
- Department of Medicinal Chemistry, School of Pharmacy Shiraz University of Medical Sciences Shiraz Iran
| | - Yaghoub Sarrafi
- Department of Organic Chemistry, Faculty of Chemistry University of Mazandaran Babolsar 47416 Iran
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27
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Venderbosch B, Oudsen JPH, van der Vlugt JI, Korstanje TJ, Tromp M. Cationic Copper Iminophosphorane Complexes as CuAAC Catalysts: A Mechanistic Study. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00348] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bas Venderbosch
- Sustainable Materials Characterization, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Jean-Pierre H. Oudsen
- Sustainable Materials Characterization, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Jarl Ivar van der Vlugt
- Homogeneous, Supramolecular and Bio-Inspired Catalysis, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Ties J. Korstanje
- Sustainable Materials Characterization, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Moniek Tromp
- Sustainable Materials Characterization, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
- Materials Chemistry, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AGGroningen, The Netherlands
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28
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Sebest F, Lachhani K, Pimpasri C, Casarrubios L, White AJP, Rzepa HS, Díez‐González S. Cycloaddition Reactions of Azides and Electron‐Deficient Alkenes in Deep Eutectic Solvents: Pyrazolines, Aziridines and Other Surprises. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901614] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Filip Sebest
- Imperial College LondonDepartment of Chemistry, MSRH, White City Campus 80 Wood Lane London W12 0BZ UK
| | - Kushal Lachhani
- Imperial College LondonDepartment of Chemistry, MSRH, White City Campus 80 Wood Lane London W12 0BZ UK
| | - Chaleena Pimpasri
- Imperial College LondonDepartment of Chemistry, MSRH, White City Campus 80 Wood Lane London W12 0BZ UK
| | - Luis Casarrubios
- Imperial College LondonDepartment of Chemistry, MSRH, White City Campus 80 Wood Lane London W12 0BZ UK
- Departamento de Química Orgánica I, Facultad de Ciencias QuímicasUniversidad Complutense and Centro de Innovación en Química Avanzada (ORFEO – CINQA) 28040 Madrid Spain
| | - Andrew J. P. White
- Imperial College LondonDepartment of Chemistry, MSRH, White City Campus 80 Wood Lane London W12 0BZ UK
| | - Henry S. Rzepa
- Imperial College LondonDepartment of Chemistry, MSRH, White City Campus 80 Wood Lane London W12 0BZ UK
| | - Silvia Díez‐González
- Imperial College LondonDepartment of Chemistry, MSRH, White City Campus 80 Wood Lane London W12 0BZ UK
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29
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Shankaraiah N, Sakla AP, Laxmikeshav K, Tokala R. Reliability of Click Chemistry on Drug Discovery: A Personal Account. CHEM REC 2020; 20:253-272. [DOI: 10.1002/tcr.201900027] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 07/08/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Nagula Shankaraiah
- Department of Medicinal ChemistryNational Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
| | - Akash P. Sakla
- Department of Medicinal ChemistryNational Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
| | - Kritika Laxmikeshav
- Department of Medicinal ChemistryNational Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
| | - Ramya Tokala
- Department of Medicinal ChemistryNational Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
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30
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Kim MJ, Yu YG, Chae CG, Seo HB, Lee JS. Facile Synthesis of Amphiphilic Bottlebrush Block Copolymers Bearing Pyridine Pendants via Click Reaction from Protected Alkyne Side Groups. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b02674] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Myung-Jin Kim
- School of Materials Science and Engineering and Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Yong-Guen Yu
- School of Materials Science and Engineering and Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Chang-Geun Chae
- School of Materials Science and Engineering and Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Ho-Bin Seo
- School of Materials Science and Engineering and Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Jae-Suk Lee
- School of Materials Science and Engineering and Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
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31
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Pimpasri C, White AJP, Díez‐González S. User‐Friendly Copper‐Catalysed Reduction of Azides to Amines. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.201900555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Chaleena Pimpasri
- Imperial College LondonDepartment of Chemistry MSRH 80 Wood Lane, White City W12 0BZ London UK
| | - Andrew J. P. White
- Imperial College LondonDepartment of Chemistry MSRH 80 Wood Lane, White City W12 0BZ London UK
| | - Silvia Díez‐González
- Imperial College LondonDepartment of Chemistry MSRH 80 Wood Lane, White City W12 0BZ London UK
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32
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Zhang C, Feng X, Wang B, Mao Z, Xu H, Zhong Y, Zhang L, Chen X, Sui X. Nanocellulose sponges as efficient continuous flow reactors. Carbohydr Polym 2019; 224:115184. [DOI: 10.1016/j.carbpol.2019.115184] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/06/2019] [Accepted: 08/07/2019] [Indexed: 12/26/2022]
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33
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Singh AK, Yadav CL, Mishra KB, Singh SK, Gupta AN, Tiwari VK, Drew MG, Singh N. Highly efficient and recyclable pre-catalysts based on mono- and dinuclear heteroleptic Cu(I) dithio- PPh3 complexes to produce variety of glycoconjugate triazoles. MOLECULAR CATALYSIS 2019. [DOI: 10.1016/j.mcat.2019.03.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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34
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Gholinejad M, Oftadeh E, Sansano JM. Clinochlore‐Supported Copper Nanoparticles as Green and Efficient Catalyst for Room‐Temperature Synthesis of 1,2,3‐Triazoles in Water. ChemistrySelect 2019. [DOI: 10.1002/slct.201803599] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Mohammad Gholinejad
- Department of ChemistryInstitute for Advanced Studies in Basic Sciences (IASBS) P. O. Box 45195–1159, Gavazang Zanjan 45137–66731 Iran
- Research Center for Basic Sciences & Modern Technologies(RBST), Institute for Advanced Studies in Basic Sciences, (IASBS) Zanjan 45137–66731 Iran
| | - Erfan Oftadeh
- Department of ChemistryInstitute for Advanced Studies in Basic Sciences (IASBS) P. O. Box 45195–1159, Gavazang Zanjan 45137–66731 Iran
| | - José M. Sansano
- Departamento de Química OrgánicaInstituto de Síntesis Orgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA).Universidad de Alicante, Apdo. 99 E-03080 Alicante Spain
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35
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Modicom F, Jamieson EMG, Rochette E, Goldup SM. Chemical Consequences of the Mechanical Bond: A Tandem Active Template-Rearrangement Reaction. Angew Chem Int Ed Engl 2019; 58:3875-3879. [PMID: 30600892 PMCID: PMC6589916 DOI: 10.1002/anie.201813950] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Indexed: 01/07/2023]
Abstract
We report the unexpected discovery of a tandem active template CuAAC-rearrangement process, in which N2 is extruded on the way to the 1,2,3-triazole product to give instead acrylamide rotaxanes. Mechanistic investigations suggest this process is dictated by the mechanical bond, which stabilizes the CuI -triazolide intermediate of the CuAAC reaction and diverts it down the rearrangement pathway; when no mechanical bond is formed, the CuAAC product is isolated.
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Affiliation(s)
- Florian Modicom
- ChemistryUniversity of Southampton, HighfieldSouthamptonSO17 1BJUK
| | | | - Elise Rochette
- ChemistryUniversity of Southampton, HighfieldSouthamptonSO17 1BJUK
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36
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Bahsis L, Ben El Ayouchia H, Anane H, Pascual-Álvarez A, De Munno G, Julve M, Stiriba SE. A reusable polymer-supported copper(I) catalyst for triazole click reaction on water: An experimental and computational study. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4669] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Lahoucine Bahsis
- Laboratoire de Chimie Analytique et Moléculaire, LCAM, Faculté Polydisciplinaire de Safi; Université Cadi Ayyad; Safi Morocco
| | - Hicham Ben El Ayouchia
- Laboratoire de Chimie Analytique et Moléculaire, LCAM, Faculté Polydisciplinaire de Safi; Université Cadi Ayyad; Safi Morocco
| | - Hafid Anane
- Laboratoire de Chimie Analytique et Moléculaire, LCAM, Faculté Polydisciplinaire de Safi; Université Cadi Ayyad; Safi Morocco
| | - Alejandro Pascual-Álvarez
- Instituto de Ciencia Molecular/ICMol, Universidad de Valencia; C/Catedrático José Beltrán 2 46980 Valencia Spain
| | - Giovanni De Munno
- Dipartimento di Chimica e Tecnologie Chimiche; Università della Calabria; 87036 Rende, Cosenza Italy
| | - Miguel Julve
- Instituto de Ciencia Molecular/ICMol, Universidad de Valencia; C/Catedrático José Beltrán 2 46980 Valencia Spain
| | - Salah-Eddine Stiriba
- Laboratoire de Chimie Analytique et Moléculaire, LCAM, Faculté Polydisciplinaire de Safi; Université Cadi Ayyad; Safi Morocco
- Instituto de Ciencia Molecular/ICMol, Universidad de Valencia; C/Catedrático José Beltrán 2 46980 Valencia Spain
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Brandhofer T, Özdemir A, Gini A, Mancheño OG. Double Cu‐Catalyzed Direct Csp3−H Azidation/CuAAC Reaction: A Direct Approach towards Demanding Triazole Conjugates. Chemistry 2019; 25:4077-4086. [DOI: 10.1002/chem.201806288] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 01/21/2019] [Indexed: 12/30/2022]
Affiliation(s)
- Tobias Brandhofer
- Organic Chemistry InstituteMünster University Corrensstr. 40 48149 Münster Germany
- Organic Chemistry InstituteRegensburg University Universitätstr. 31 93053 Regensburg Germany
| | - Aysegül Özdemir
- Organic Chemistry InstituteRegensburg University Universitätstr. 31 93053 Regensburg Germany
| | - Andrea Gini
- Organic Chemistry InstituteRegensburg University Universitätstr. 31 93053 Regensburg Germany
| | - Olga García Mancheño
- Organic Chemistry InstituteMünster University Corrensstr. 40 48149 Münster Germany
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38
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Modicom F, Jamieson EMG, Rochette E, Goldup SM. Chemical Consequences of the Mechanical Bond: A Tandem Active Template‐Rearrangement Reaction. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813950] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Florian Modicom
- ChemistryUniversity of Southampton, Highfield Southampton SO17 1BJ UK
| | | | - Elise Rochette
- ChemistryUniversity of Southampton, Highfield Southampton SO17 1BJ UK
| | - Stephen M. Goldup
- ChemistryUniversity of Southampton, Highfield Southampton SO17 1BJ UK
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39
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Mahmoud AG, Guedes da Silva MFC, Mahmudov KT, Pombeiro AJL. Arylhydrazone ligands as Cu-protectors and -catalysis promoters in the azide-alkyne cycloaddition reaction. Dalton Trans 2019; 48:1774-1785. [PMID: 30640328 DOI: 10.1039/c8dt04771e] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A series of water soluble copper(ii) complexes, [Cu(κO1O2N-H2L1)(H2O)2]·2H2O (2), [Cu(κO-H3L1)2(H2O)4] (3), [Cu(κO-H4L2)2(H2O)4] (5) and [Cu(H2O)6]·2H2L3·2(CH3)2NCHO (7), were prepared by the reaction of Cu(NO3)2·3H2O with sodium (Z)-2-(2-(1-amino-1,3-dioxobutan-2-ylidene)hydrazineyl)benzenesulfonate, [Na(μ4-1:2κO1,2κO2,3κO3,4κO4-H3L1)]n (1; for 2 and 3), sodium (Z)-3-(2-(1-amino-1,3-dioxobutan-2-ylidene)hydrazineyl)-4-hydroxybenzene-sulfonate, [Na(μ-1κO1,2κO2-H4L2)]2 (4; for 5) or sodium (Z)-2-(2-(1,3-dioxo-1-(phenylamino)butan-2-ylidene)hydrazineyl)naphthalene-1-sulfonate, [Na(μ-1κO1O2,2κO3-H2L3)(CH3OH)2]2 (6; for 7). Compounds 1-7 were fully characterized, also by single-crystal X-ray diffraction analysis, and applied as homogeneous catalysts for the azide-alkyne cycloaddition (AAC) reaction to afford 1,4-disubstituted 1,2,3-triazoles. A structure-catalytic activity relationship has been recognized for the first time on the basis of the occurrence of resonance- and charge-assisted hydrogen bond interactions (RAHB and CAHB), in charge and ligand binding modes, enabling the catalytic activity of the compounds to be ordered as follows: Cu(NO3)2≪7 (complex salt with RAHB and CAHB) < 3 (with RAHB and CAHB) < 5 (with RAHB) < 2 (neither RAHB nor CAHB). Complex 2, without such non-covalent interactions, was found to be the most efficient catalyst for the AAC reaction, affording up to 98% product yield after being placed for 15 min, at 125 °C, in a water/acetonitrile mixture under low power (10 W) MW irradiation.
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Affiliation(s)
- Abdallah G Mahmoud
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal. and Department of Chemistry, Faculty of Science, Helwan University, Ain Helwan, 11795 Cairo, Egypt
| | - M Fátima C Guedes da Silva
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
| | - Kamran T Mahmudov
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal. and Department of Chemistry, Baku State University, Z. Xalilov Str. 23, Az 1148 Baku, Azerbaijan.
| | - Armando J L Pombeiro
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
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40
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Igual MO, Nunes PS, da Costa RM, Mantoani SP, Tostes RC, Carvalho I. Novel glucopyranoside C2-derived 1,2,3-triazoles displaying selective inhibition of O-GlcNAcase (OGA). Carbohydr Res 2019; 471:43-55. [DOI: 10.1016/j.carres.2018.10.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 10/19/2018] [Accepted: 10/22/2018] [Indexed: 01/13/2023]
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41
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Kumari K, Singh AS, Manar KK, Yadav CL, Tiwari VK, Drew MGB, Singh N. Catalytic activity of new heteroleptic [Cu(PPh3)2(β-oxodithioester)] complexes: click derived triazolyl glycoconjugates. NEW J CHEM 2019. [DOI: 10.1039/c8nj05075a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Highly efficient and reusable precatalysts of Cu(i) β-oxodithioester PPh3 complexes for the synthesis of triazolyl glycoconjugates under “click” conditions.
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Affiliation(s)
- Kavita Kumari
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
- India
| | - Anoop S. Singh
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
- India
| | - Krishna K. Manar
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
- India
| | - Chote Lal Yadav
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
- India
| | - Vinod K. Tiwari
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
- India
| | - Michael G. B. Drew
- Department of Chemistry
- University of Reading
- Whiteknights
- Reading RG6 6AD
- UK
| | - Nanhai Singh
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
- India
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42
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Gonzalez-Silva K, Rendon-Nava D, Alvarez-Hernández A, Mendoza-Espinosa D. Copper(ii) accelerated azide–alkyne cycloaddition reaction using mercaptopyridine-based triazole ligands. NEW J CHEM 2019. [DOI: 10.1039/c9nj03974k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the synthesis, characterization and catalytic performance of a series of copper(ii) complexes supported by mercaptopyridine based traizole ligands.
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Affiliation(s)
- Karen Gonzalez-Silva
- Área Académica de Química
- Universidad Autónoma del Estado de Hidalgo
- Hidalgo
- Mexico
| | - David Rendon-Nava
- Área Académica de Química
- Universidad Autónoma del Estado de Hidalgo
- Hidalgo
- Mexico
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43
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Anamika A, Agrahari AK, Manar KK, Yadav CL, Tiwari VK, Drew MGB, Singh N. Highly efficient structurally characterised novel precatalysts: di- and mononuclear heteroleptic Cu(i) dixanthate/xanthate–phosphine complexes for azide–alkyne cycloadditions. NEW J CHEM 2019. [DOI: 10.1039/c9nj01551e] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Prominent catalytic activities of novel di- and mononuclear Cu(i) xanthate/phosphine complexes have been investigated for the synthesis of triazolyl glycoconjugates using Click approach.
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Affiliation(s)
- Anamika Anamika
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi 221005
- India
| | - Anand K. Agrahari
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi 221005
- India
| | - Krishna K. Manar
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi 221005
- India
| | - Chote Lal Yadav
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi 221005
- India
| | - Vinod K. Tiwari
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi 221005
- India
| | | | - Nanhai Singh
- Department of Chemistry
- Institute of Science
- Banaras Hindu University
- Varanasi 221005
- India
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44
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Jennah O, Beniazza R, Lozach C, Jardel D, Molton F, Duboc C, Buffeteau T, El Kadib A, Lastécouères D, Lahcini M, Vincent JM. Photoredox Catalysis at Copper(II) on Chitosan: Application to Photolatent CuAAC. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800964] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Oumayma Jennah
- Faculty of Sciences and Technologies; Cadi Ayyad University; Av. A. Elkhattabi, B.P. 549 40000 Marrakech Morocco
- Institut des Sciences Moléculaires, CNRS UMR 5255; Univ. Bordeaux; 33405 Talence France
| | - Redouane Beniazza
- Institut des Sciences Moléculaires, CNRS UMR 5255; Univ. Bordeaux; 33405 Talence France
- Mohammed VI Polytechnic University, UM6P; 43150 Ben Guerir Morocco
| | - Cédric Lozach
- Institut des Sciences Moléculaires, CNRS UMR 5255; Univ. Bordeaux; 33405 Talence France
| | - Damien Jardel
- Institut des Sciences Moléculaires, CNRS UMR 5255; Univ. Bordeaux; 33405 Talence France
| | - Florian Molton
- Univ. Grenoble Alpes, DCM UMR-CNRS 5250, F-; 38000 Grenoble France
| | - Carole Duboc
- Univ. Grenoble Alpes, DCM UMR-CNRS 5250, F-; 38000 Grenoble France
| | - Thierry Buffeteau
- Institut des Sciences Moléculaires, CNRS UMR 5255; Univ. Bordeaux; 33405 Talence France
| | - Abdelkrim El Kadib
- Euro-Med Research Center, Engineering Division; Euro-Med University of Fes (UEMF).; Route de Meknès. Rond-Point de Bensouda. 30070 Fès Morocco
| | | | - Mohammed Lahcini
- Faculty of Sciences and Technologies; Cadi Ayyad University; Av. A. Elkhattabi, B.P. 549 40000 Marrakech Morocco
- Mohammed VI Polytechnic University, UM6P; 43150 Ben Guerir Morocco
| | - Jean-Marc Vincent
- Institut des Sciences Moléculaires, CNRS UMR 5255; Univ. Bordeaux; 33405 Talence France
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45
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Wang T, Wang YN, Wang R, Wang XS. Rhodium(III)-Catalyzed C-H Alkynylation of N-Methylsulfoximines. Chem Asian J 2018; 13:2449-2452. [PMID: 29978579 DOI: 10.1002/asia.201800889] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 07/03/2018] [Indexed: 11/07/2022]
Abstract
A rhodium(III)-catalyzed direct C-H alkynylation of a wide range of N-methylsulfoximines with (bromoethynyl)triisopropylsilane has been developed. This protocol is compatible with both (S,S)-diaryl sulfoximines and (S,S)-alkyl aryl sulfoximines, and shows mild conditions, and good functional group tolerance. The synthetic utility of this method has been demonstrated by subsequent various transformations of the products.
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Affiliation(s)
- Tao Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Yi-Ning Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Rui Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Xi-Sheng Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
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46
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47
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Sebest F, Dunsford JJ, Adams M, Pivot J, Newman PD, Díez‐González S. Ring-Expanded N-Heterocyclic Carbenes for Copper-Mediated Azide-Alkyne Click Cycloaddition Reactions. ChemCatChem 2018; 10:2041-2045. [PMID: 29861792 PMCID: PMC5969269 DOI: 10.1002/cctc.201701992] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Indexed: 11/08/2022]
Abstract
A series of well-defined copper(I) complexes bearing ring-expanded N-heterocyclic carbene (NHC) ligands has been applied to the azide-alkyne cycloaddition reaction. The obtained results notably showed that the six-membered NHC ligands outperform well-established five-membered ones. [CuI(Mes-6)] displayed a remarkable catalytic activity while respecting the strict criteria for click reactions.
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Affiliation(s)
- Filip Sebest
- Department of ChemistryImperial College LondonExhibition Road, South KensingtonLondonSW7 2AZUK
| | | | - Matthew Adams
- Department of ChemistryImperial College LondonExhibition Road, South KensingtonLondonSW7 2AZUK
| | - Jeremy Pivot
- Department of ChemistryImperial College LondonExhibition Road, South KensingtonLondonSW7 2AZUK
| | | | - Silvia Díez‐González
- Department of ChemistryImperial College LondonExhibition Road, South KensingtonLondonSW7 2AZUK
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48
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Li G, Hu J, Zeng R, Shi DQ, Zhao Y. Direct ortho-Selective C-H Functionalization of Carboxybenzyl-Protected Arylalkylamines via Ir(III)-Catalyzed C-H Activation. Org Lett 2018; 20:2454-2458. [PMID: 29634278 DOI: 10.1021/acs.orglett.8b00797] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A convenient and practical approach to synthesize ortho-alkynylated arylalkylamines through ortho-selective C-H functionalization has been developed using Cbz-amide as the directing group and Ir(III) as the catalyst. Various substrates were well tolerated, affording the corresponding products in moderate to good yields. Moreover, preliminary mechanistic study revealed the role of the amide as the coordination center to cooperate with the Ir(III) complex during C-H activation. Development of this Cbz-amide-promoted CAr-H functionalization offers a practical approach with potential applications in organic synthesis.
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Affiliation(s)
- Guobao Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Jundie Hu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Runsheng Zeng
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Da-Qing Shi
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
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49
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Obhi NK, Peda DM, Kynaston EL, Seferos DS. Exploring the Graft-To Synthesis of All-Conjugated Comb Copolymers Using Azide–Alkyne Click Chemistry. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00138] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Nimrat K. Obhi
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Denise M. Peda
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Emily L. Kynaston
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Dwight S. Seferos
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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50
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Ali AA, Sharma R, Saikia PJ, Sarma D. CTAB promoted CuI catalyzed green and economical synthesis of 1,4-disubstituted-1,2,3-triazoles. SYNTHETIC COMMUN 2018. [DOI: 10.1080/00397911.2018.1439176] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Abdul Aziz Ali
- Department of Chemistry, Dibrugarh University, Dibrugarh, Assam, India
| | - Rahul Sharma
- Department of Chemistry, Dibrugarh University, Dibrugarh, Assam, India
| | - Prakash J. Saikia
- Analytical Chemistry Division, CSIR-North East Institute of Science & Technology, Jorhat, Assam, India
| | - Diganta Sarma
- Department of Chemistry, Dibrugarh University, Dibrugarh, Assam, India
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