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Chavez-Urias I, López-González LE, Plascencia-Martínez DF, García JJ, Flores-Alamo M, Sugich-Miranda R, Medrano F, Picos-Corrales LA, López-Gastélum KA, Velázquez-Contreras EF, Rocha-Alonzo F. l-Isoleucine-Schiff Base Copper(II) Coordination Polymers: Crystal Structure, Spectroscopic, Hirshfeld Surface, and DFT Analyses. ACS OMEGA 2023; 8:24601-24614. [PMID: 37457461 PMCID: PMC10339395 DOI: 10.1021/acsomega.3c02878] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 06/13/2023] [Indexed: 07/18/2023]
Abstract
A new copper(II) coordination polymer was synthesized from the l-isoleucine-Schiff base and characterized by elemental analysis, Fourier transform infrared (FT-IR) spectroscopy, ultraviolet-visible (UV-vis) spectroscopy, single-crystal X-ray diffraction (XRD) analysis, electronic paramagnetic resonance, and thermogravimetric analysis. XRD analysis confirmed the square planar coordination geometry of metallic centers and a zipper-like polymer structure. Vibrational, electronic, and paramagnetic spectroscopies and thermal analysis were consistent with the crystal structure. A Hirshfeld surface (HS) and density functional theory (DFT) analyses were employed to gain additional insight into interactions responsible for complex packing. The quantitative examination of two-dimensional (2D) fingerprint plots revealed, among other van der Waals forces, the dominating participation of H···H and H···Cl interactions in the molecular packing. The use of computational methods provided great help in detailing the supramolecular interactions occurring in the crystal, which were mainly van der Waals attractions. The electronic transition analysis helped corroborate the electronic transitions observed experimentally in the absorption spectrum. The frequency and vibrational mode analysis gave a deeper insight into the characterization of the CuLCL complex.
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Affiliation(s)
- Iván
F. Chavez-Urias
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas s/n, Col. Centro, Hermosillo, Sonora 83000, México
| | - Luis E. López-González
- Centro
de Investigación Científica y de Educación Superior
de Ensenada, Carretera Tijuana-Ensenada 3918, Zona Playitas, Ensenada, Baja California 22860, México
| | - Damian F. Plascencia-Martínez
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas s/n, Col. Centro, Hermosillo, Sonora 83000, México
| | - Juventino J. García
- Facultad
de Química, Universidad Nacional
Autónoma de México, Circuito Exterior Cd. Universitaria, Coyoacán,
Ciudad de México, Ciudad de México 04510, México
| | - Marcos Flores-Alamo
- Facultad
de Química, Universidad Nacional
Autónoma de México, Circuito Exterior Cd. Universitaria, Coyoacán,
Ciudad de México, Ciudad de México 04510, México
| | - Rocío Sugich-Miranda
- Departamento
de Ciencias Químico-Biológicas, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas s/n, Col. Centro, Hermosillo, Sonora 83000, México
| | - Felipe Medrano
- Departamento
de Ciencias Químico-Biológicas, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas s/n, Col. Centro, Hermosillo, Sonora 83000, México
| | - Lorenzo A. Picos-Corrales
- Facultad
de Ingeniería Culiacán, Universidad
Autónoma de Sinaloa, Ciudad Universitaria, Culiacán, Sinaloa 80013, México
| | - Karla-Alejandra López-Gastélum
- Departamento
de Ciencias Químico-Biológicas, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas s/n, Col. Centro, Hermosillo, Sonora 83000, México
- Centro de
Investigación en Alimentación y Desarrollo, Carretera a Ejido La Victoria Km
0.6, Hermosillo, Sonora 83304, México
| | - Enrique F. Velázquez-Contreras
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas s/n, Col. Centro, Hermosillo, Sonora 83000, México
| | - Fernando Rocha-Alonzo
- Departamento
de Ciencias Químico-Biológicas, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas s/n, Col. Centro, Hermosillo, Sonora 83000, México
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López-Gastélum KA, Velázquez-Contreras EF, García JJ, Flores-Alamo M, Aguirre G, Chávez-Velasco D, Narayanan J, Rocha-Alonzo F. Mononuclear and Tetranuclear Copper(II) Complexes Bearing Amino Acid Schiff Base Ligands: Structural Characterization and Catalytic Applications. Molecules 2021; 26:molecules26237301. [PMID: 34885882 PMCID: PMC8658810 DOI: 10.3390/molecules26237301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 11/18/2021] [Accepted: 11/22/2021] [Indexed: 11/18/2022] Open
Abstract
Two new glycine-Schiff base copper(II) complexes were synthesized. Single crystal X-ray diffraction (SCXRD) allowed us to establish the structure of both complexes in the solid state. The glycine-Schiff base copper(II) complex derived from 2′-hydroxy-5′-nitroacetophenone showed a mononuclear hydrated structure, in which the Schiff base acted as a tridentate ligand, and the glycine-Schiff base copper(II) complex derived from 2′-hydroxy-5′-methylacetophenone showed a less common tetranuclear anhydrous metallocyclic structure, in which the Schiff base acted as a tetradentate ligand. In both compounds, copper(II) had a tetracoordinated square planar geometry. The results of vibrational, electronic, and paramagnetic spectroscopies, as well as thermal analysis, were consistent with the crystal structures. Both complexes were evaluated as catalysts in the olefin cyclopropanation by carbene transference, and both led to very high diastereoselectivity (greater than 98%).
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Affiliation(s)
- Karla-Alejandra López-Gastélum
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales and Luis Encinas s/n, Col. Centro, Hermosillo 83000, Sonora, Mexico
- Correspondence: (K.-A.L.-G.); (E.F.V.-C.); (F.R.-A.)
| | - Enrique F. Velázquez-Contreras
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales and Luis Encinas s/n, Col. Centro, Hermosillo 83000, Sonora, Mexico
- Correspondence: (K.-A.L.-G.); (E.F.V.-C.); (F.R.-A.)
| | - Juventino J. García
- Facultad de Química, Universidad Nacional Autónoma de México, Circuito Exterior Cd. Universitaria, Coyoacán, Ciudad de México 04510, Ciudad de México, Mexico; (J.J.G.); (M.F.-A.)
| | - Marcos Flores-Alamo
- Facultad de Química, Universidad Nacional Autónoma de México, Circuito Exterior Cd. Universitaria, Coyoacán, Ciudad de México 04510, Ciudad de México, Mexico; (J.J.G.); (M.F.-A.)
| | - Gerardo Aguirre
- Centro de Graduados e Investigación, Instituto Tecnológico de Tijuana, Apartado Postal 1166, Tijuana 22000, Baja California, Mexico; (G.A.); (D.C.-V.)
| | - Daniel Chávez-Velasco
- Centro de Graduados e Investigación, Instituto Tecnológico de Tijuana, Apartado Postal 1166, Tijuana 22000, Baja California, Mexico; (G.A.); (D.C.-V.)
| | - Jayanthi Narayanan
- División de Ingeniería en Nanotecnología, Universidad Politécnica del Valle de México, Av. Mexiquense s/n esquina Av. Universidad Politécnica, Col. Villa Esmeralda, Tultitlan 54910, Estado de México, Mexico;
| | - Fernando Rocha-Alonzo
- Departamento de Ciencias Químico Biológicas, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas s/n, Col. Centro, Hermosillo 83000, Sonora, Mexico
- Correspondence: (K.-A.L.-G.); (E.F.V.-C.); (F.R.-A.)
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Shanty AA, Mohanan PV. Synthesis, characterization, DNA binding, antibacterial, antidiabetic, molecular docking and DFT studies of Ni(II), Cu(II) and Zn(II) complexes derived from heterocyclic schiff base. INORG NANO-MET CHEM 2021. [DOI: 10.1080/24701556.2021.1988977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Angamaly Antony Shanty
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, Kerala, India
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4
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Mangalam NA, Kurup MP, Suresh E, Kaya S, Serdaroğlu G. Diversities in the chelation of aroylhydrazones towards cobalt(II) salts: Synthesis, spectral characterization, crystal structure and some theoretical studies. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.129978] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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5
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Jacob JM, Kurup MP, Nisha K, Serdaroğlu G, Kaya S. Mixed ligand copper(II) chelates derived from an O, N, S- donor tridentate thiosemicarbazone: Synthesis, spectral aspects, FMO, and NBO analysis. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114736] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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6
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Photocatalytic degradation of organic dye and phytohormone by a Cu(II) complex powder catalyst with added H2O2. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125147] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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7
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Structural, spectral and biological investigations on Cu(II) and Zn(II) complexes derived from NNO donor tridentate Schiff base: Crystal structure of a 1D Cu(II) coordination polymer. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.127682] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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8
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Fousiamol M, Sithambaresan M, Damodaran KK, Kurup MP. Syntheses, spectral aspects and biological studies of bromide and azide bridged box dimer copper(II) complexes of an NNO donor aroylhydrazone. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2019.119301] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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9
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Shanty A, Raghu K, Mohanan P. Synthesis, characterization: Spectral and theoretical, molecular docking and in vitro studies of copper complexes with HIV RT enzyme. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.06.097] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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10
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Jayendran M, Ponnan S, Begum PS, Kurup MP. Structural aspects, spectroscopic and third order nonlinear optical properties of mixed ligand complexes from NNO tridentate Schiff base: Crystal structure of a rare proton bridged Ni(II) complex. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.118968] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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11
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Halogen bonded lamellar motifs in crystals of Schiff base ZnII–LnIII–ZnII coordination compounds – Synthesis, structure, Hirshfeld surface analysis and physicochemical properties. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.03.047] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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Cd(II) and Ni(II) complexes from a tridentate NNO Schiff base: Crystal structures, spectral aspects and Hirshfeld surface analysis. Polyhedron 2019. [DOI: 10.1016/j.poly.2018.11.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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13
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Ghaemi A, Keyvani B, Fayyazi K, Rudbari HA. Crystal Structure of the Azido-Bridged Copper(II) Complex [Cu2L2(μ1,1-N3)2] Based on the 2-[(3-Amino-2,2-Dimethylpropylimino)-Methyl]-4-Bromophenol Schiff Base Ligand. J STRUCT CHEM+ 2018. [DOI: 10.1134/s0022476618050219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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14
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Aiswarya N, Ajina C, Tom L, Kurup MRP. Structural Insights and Third Order NLO Studies of Pseudohalide- Based Polymeric and Monomeric Congeners of Halo-Substituted Parent Schiff Bases. ChemistrySelect 2018. [DOI: 10.1002/slct.201800508] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Natarajan Aiswarya
- Department of Applied Chemistry; Cochin University of Science and Technology; Kochi 682 022, Kerala India
| | - Cheruvalath Ajina
- International School of Photonics; Cochin University of Science and Technology; Kochi 682 022, Kerala India
| | - Lincy Tom
- Department of Applied Chemistry; Cochin University of Science and Technology; Kochi 682 022, Kerala India
| | - Maliyeckal R. Prathapachandra Kurup
- Department of Applied Chemistry; Cochin University of Science and Technology; Kochi 682 022, Kerala India
- Department of Chemistry, School of Physical Sciences; Central University of Kerala, Riverside Transit Campus; Nileshwar 671 314 India
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15
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Sreejith S, Mohan N, Kurup MP. Experimental and theoretical analysis of a rare nitrato bridged 3d-4f complex containing LaZn 2 core synthesized from a Zn(II) metalloligand. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.10.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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16
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Halogen/azide bridged box dimer copper(II) complexes of 2-benzoylpyridine-3-methoxybenzhydrazone: Structural and spectral studies. Polyhedron 2018. [DOI: 10.1016/j.poly.2017.11.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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17
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Massoud SS, Henary MM, Maxwell L, Martín A, Ruiz E, Vicente R, Fischer RC, Mautner FA. Structure, magnetic properties and DFT calculations of azido-copper(ii) complexes with different azido-bonding, nuclearity and dimensionality. NEW J CHEM 2018. [DOI: 10.1039/c7nj04150k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cu(ii) compounds derived from diamine substituted alkyl or phenyl groups with azido acting as the bridging ligand were synthesized and were structurally and magnetically characterized.
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Affiliation(s)
- Salah S. Massoud
- Department of Chemistry
- University of Louisiana at Lafayette
- Lafayette
- USA
| | - Maher M. Henary
- Department of Chemistry and Biochemistry
- University of California
- Los Angeles
- USA
| | - Lindley Maxwell
- Departament de Química Inorgànica
- Universitat de Barcelona
- 08028 Barcelona
- Spain
| | - Alejandro Martín
- Departament de Química Inorgànica
- Universitat de Barcelona
- 08028 Barcelona
- Spain
| | - Eliseo Ruiz
- Departament de Química Inorgànica
- Universitat de Barcelona
- 08028 Barcelona
- Spain
| | - Ramon Vicente
- Departament de Química Inorgànica
- Universitat de Barcelona
- 08028 Barcelona
- Spain
| | - Roland C. Fischer
- Institut für Anorganische Chemische
- Technische Universität Graz
- A-8010 Graz
- Austria
| | - Franz A. Mautner
- Institut für Physikalische and Theoretische Chemie
- Technische Universität Graz
- A-8010 Graz
- Austria
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18
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Experimental and theoretical studies on photoluminescent Zn(II) host complex with an open book structure: Implication on potential bioactivity and comparison with its ligand and Zn(II), Pd(II) siblings. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.07.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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19
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Sreejith S, Mohan N, Prathapachandra Kurup M. Experimental and theoretical investigations on Pd(II) host-guest compound: Deciphering the structural and electronic features of a potential bioactive complex. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.05.068] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Kumar S, Hansda A, Chandra A, Kumar A, Kumar M, Sithambaresan M, Faizi MSH, Kumar V, John RP. Co(II), Ni(II), Cu(II) and Zn(II) complexes of acenaphthoquinone 3-(4-benzylpiperidyl)thiosemicarbazone: Synthesis, structural, electrochemical and antibacterial studies. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.05.055] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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21
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Liu W, Qin Y, Liu S, Xing R, Yu H, Chen X, Li K, Li P. C-coordinated O-carboxymethyl chitosan metal complexes: Synthesis, characterization and antifungal efficacy. Int J Biol Macromol 2017; 106:68-77. [PMID: 28774807 DOI: 10.1016/j.ijbiomac.2017.07.176] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 07/13/2017] [Accepted: 07/30/2017] [Indexed: 11/17/2022]
Abstract
A novel type of O-carboxymethyl chitosan Schiff bases (O-CSPX) was synthesized via a condensation reaction. After the coordination reaction of cupric ions, zinc ions and nickel ions, metal complexes (O-CSPX-M) were achieved. The theoretical structure of O-CSPX-M calculated by Gaussian 09 reveals that the copper ions and nickel ions underwent dsp2 hybridization, the zinc ions underwent sp3 hybridization, and they all coordinated by the carbon atom in the p-π conjugate group. Then, the structures were confirmed by FT-IR, 1H NMR, CP-MAS 13C NMR, elemental analysis, DSC and XRD. The antifungal properties of O-CSPX-M against Phytophthora capsici (P. capsici), Gibberella zeae (G. zeae), Fusarium oxysporum (F. oxysporum) and Botrytis cinerea (B. cinerea) were evaluated at concentrations ranging from 0.05mg/mL to 0.40mg/mL. The experiments indicated that the derivatives have significantly enhanced antifungal activity after metal ions complexation compared with the original chitosan. Moreover, it was shown that 0.20mg/mL of O-CSPX-Cu can 100% inhibit the growth of P. capsici and 0.20mg/mL of O-CSPX-Ni can 87.5% inhibit the growth of B. cinerea. In addition, the phytotoxicity assay and cell viability assay were also evaluated. The experimental results may provide a novel direction for the development of metal fungicides.
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Affiliation(s)
- Weixiang Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yukun Qin
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
| | - Song Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Ronge Xing
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Huahua Yu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Xiaolin Chen
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Kecheng Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Pengcheng Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
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22
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Liu W, Qin Y, Liu S, Xing R, Yu H, Chen X, Li K, Li P. Synthesis, characterization and antifungal efficacy of C-coordinated O-carboxymethyl chitosan Cu(II) complexes. Carbohydr Polym 2016; 160:97-105. [PMID: 28115106 DOI: 10.1016/j.carbpol.2016.12.040] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 12/12/2016] [Accepted: 12/18/2016] [Indexed: 12/01/2022]
Abstract
A novel type of O-carboxymethyl chitosan Schiff bases (O-CSPX) was synthesized via a condensation reaction. After the coordination reaction of cupric ions, Cu(II) complexes (O-CSPX-Cu) were achieved. The theoretical structure of O-CSPX-Cu calculated by Gaussian 09 reveals that the copper ions underwent dsp2 hybridization, coordinated by the carbon atom in the p-π conjugate group and the oxygen atoms in the acetate ion. Then, the structures were confirmed by FT-IR, 1H NMR, CP-MAS 13C NMR, elemental analysis, DSC and XRD. The antifungal properties of O-CSPX-Cu against Phytophthora capsici (P. capsici), Gibberella zeae (G. zeae) and Glomerella cingulata (G. cingulata) were evaluated at concentrations ranging from 0.05mg/mL to 0.20mg/mL. The experiments indicated that the derivatives have significantly enhanced antifungal activity after copper ion complexation compared with the original chitosan. Moreover, it was shown that 0.20mg/mL of O-CSP3-Cu and O-CSP4-Cu can 100% inhibit the growth of P. capsici. The experimental results reveal that the antifungal efficiency is related to the space steric hindrance on the benzene ring, which may provide a novel direction for the development of copper fungicides.
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Affiliation(s)
- Weixiang Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yukun Qin
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
| | - Song Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Ronge Xing
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Huahua Yu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Xiaolin Chen
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Kecheng Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Pengcheng Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
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Sreejith S, Mohan N, Aiswarya N, Kurup MP. Inclusion, pseudo-inclusion compounds and coordination polymer of Pd(II), Zn(II) and Cd(II) from salen-type Schiff base ligand with a 1,3-diimino spacer group: Crystal structures, spectroscopic and thermal studies. Polyhedron 2016. [DOI: 10.1016/j.poly.2016.05.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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