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Pérez-Ortega I, Albéniz AC. A Different Polynorbornene Backbone by Combination of Two Polymer Growth Pathways: Vinylic Addition and Ring Opening via β-C Elimination. Chem Sci 2022; 13:1823-1828. [PMID: 35282631 PMCID: PMC8826958 DOI: 10.1039/d1sc07028b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 01/19/2022] [Indexed: 11/25/2022] Open
Abstract
A new polynorbornene skeleton has been found that contains bicyclic norbornane units and cyclohexenyl methyl linkages. The polymers have been synthesized using a nickel catalyst in the presence of a controlled amount of ligands with low or moderate coordination ability. The backbone structure is the result of a vinylic addition polymerization, via sequential insertions of norbornene into a Ni–C bond (bicyclic units) combined with an unusual ring opening of the norbornene structure by a β-C elimination (cyclohexenyl methyl units) to give a new Ni–C(alkyl) bond that continues the polymerization. The ring opening events are favored when the rate of propagation of the vinylic addition polymerization decreases, and this can be modulated by making the coordination of norbornene to the metal center less favorable using additional ligands. A new polynorbornene skeleton that contains a mixture of bicyclic norbornane units and cyclohexenylmethyl moieties can be obtained using a nickel catalyst.![]()
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Affiliation(s)
- Ignacio Pérez-Ortega
- IU CINQUIMA/Química Inorgánica, Universidad de Valladolid 47071 Valladolid Spain
| | - Ana C Albéniz
- IU CINQUIMA/Química Inorgánica, Universidad de Valladolid 47071 Valladolid Spain
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2
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Dutta D, Sharma P, Gomila RM, Frontera A, Barcelo-Oliver M, Verma AK, Baruwa B, Bhattacharyya MK. Solvent-driven structural topologies in phenanthroline-based co-crystals of Zn( ii) involving fascinating infinite chair-like {[(bzH) 4Cl 2] 2−} n assemblies and unconventional layered infinite {bz-H 2O-Cl} n anion-water clusters: antiproliferative evaluation and theoretical studies. NEW J CHEM 2022. [DOI: 10.1039/d1nj05234a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Anticancer activities considering cell cytotoxicity, apoptosis and molecular docking have been explored in Zn(ii) co-crystals of phenanthroline involving infinite chair-like assemblies and unconventional layered infinite anion-water clusters.
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Affiliation(s)
- Debasish Dutta
- Department of Chemistry, Cotton University, Guwahati-781001, Assam, India
| | - Pranay Sharma
- Department of Chemistry, Cotton University, Guwahati-781001, Assam, India
| | - Rosa M. Gomila
- Departament de Química, Universitat de les Illes Balears, Crta de Valldemossa km 7.7, 07122 Palma de Mallorca (Baleares), Spain
| | - Antonio Frontera
- Departament de Química, Universitat de les Illes Balears, Crta de Valldemossa km 7.7, 07122 Palma de Mallorca (Baleares), Spain
| | - Miquel Barcelo-Oliver
- Departament de Química, Universitat de les Illes Balears, Crta de Valldemossa km 7.7, 07122 Palma de Mallorca (Baleares), Spain
| | - Akalesh K. Verma
- Department of Zoology, Cell & Biochemical Technology Laboratory, Cotton University, Guwahati-781001, India
| | - Bandita Baruwa
- Department of Zoology, Cell & Biochemical Technology Laboratory, Cotton University, Guwahati-781001, India
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Bhattacharyya MK, Dutta D, Nashre-ul-Islam SM, Frontera A, Sharma P, Verma AK, Das A. Energetically significant antiparallel π-stacking contacts in Co(II), Ni(II) and Cu(II) coordination compounds of pyridine-2,6-dicarboxylates: Antiproliferative evaluation and theoretical studies. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2019.119233] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Li D, Huang S, Zhang X, Nazir Z, Li Y, Zhang J, Chen Y, Zhong H. Colloidal Cd xM 1-xTe Nanowires from the Visible to the Near Infrared Region: N, N-Dimethylformamide-Mediated Precise Cation Exchange. J Phys Chem Lett 2020; 11:7-13. [PMID: 31821758 DOI: 10.1021/acs.jpclett.9b03122] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Cation exchange has been a successful methodology for tuning the bandgaps of nanomaterials, while the most popular protocol in the toluene/methanol system lacks precise compositional control due to its inherent poor solvent compatibility. We herein report an alternative cation exchange route in N,N-dimethylformamide (DMF) solvent for converting preformed colloidal CdTe nanowires into CdxM1-xTe (M = Pb2+, Zn2+, Ag+, Hg2+) nanowires with good batch-to-batch reproducibility. The resulting CdxM1-xTe nanowires show a tunable bandgap from 2.26 to 0.63 eV, and the energy levels of these nanowires can be finely tuned. Furthermore, a comparative study for the cation exchange of CdTe nanowires with Pb2+ ions in toluene/methanol and DMF illustrated that the reduction of Cd2+ extraction and the Pb2+ introduction barrier accounts for precise compositional control. The cation exchange reaction in the DMF phase provides an efficient way to obtain nanomaterials with precise composition control. Moreover, these available high-quality colloidal semiconductor nanowires also pave the way for near-infrared device exploration.
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Affiliation(s)
- Dong Li
- MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, School of Materials Science & Engineering , Beijing Institute of Technology , Beijing 100081 , China
| | - Sheng Huang
- MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, School of Materials Science & Engineering , Beijing Institute of Technology , Beijing 100081 , China
| | - Xiaoli Zhang
- MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, School of Materials Science & Engineering , Beijing Institute of Technology , Beijing 100081 , China
| | - Zahid Nazir
- MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, School of Materials Science & Engineering , Beijing Institute of Technology , Beijing 100081 , China
| | - Yunchao Li
- College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Jiatao Zhang
- MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, School of Materials Science & Engineering , Beijing Institute of Technology , Beijing 100081 , China
| | - Yu Chen
- MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, School of Materials Science & Engineering , Beijing Institute of Technology , Beijing 100081 , China
| | - Haizheng Zhong
- MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, School of Materials Science & Engineering , Beijing Institute of Technology , Beijing 100081 , China
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Sharma P, Gogoi A, Verma AK, Frontera A, Bhattacharyya MK. Charge-assisted hydrogen bond and nitrile⋯nitrile interaction directed supramolecular associations in Cu(ii) and Mn(ii) coordination complexes: anticancer, hematotoxicity and theoretical studies. NEW J CHEM 2020. [DOI: 10.1039/d0nj00075b] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Charge-assisted H-bonds and nitrile⋯nitrile interactions directed assemblies in Cu(ii) and Mn(ii) complexes have been analyzed by MEP surface and NCI plot index. Anticancer activities and hematotoxictiy have been investigated.
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Affiliation(s)
- Pranay Sharma
- Department of Chemistry
- Cotton University
- Guwahati-781001
- India
| | - Anshuman Gogoi
- Department of Chemistry
- Cotton University
- Guwahati-781001
- India
| | - Akalesh K. Verma
- Department of Zoology
- Cell & Biochemical Technology Laboratory
- Cotton University
- Guwahati-781001
- India
| | - Antonio Frontera
- Departament de Química
- Universitat de les Illes Balears
- 07122 Palma de Mallorca (Baleares)
- Spain
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Bhattacharyya MK, Saha U, Dutta D, Das A, Verma AK, Frontera A. Solvent-driven structural topology involving energetically significant intra- and intermolecular chelate ring contacts and anticancer activities of Cu(ii) phenanthroline complexes involving benzoates: experimental and theoretical studies. RSC Adv 2019; 9:16339-16356. [PMID: 35516385 PMCID: PMC9064362 DOI: 10.1039/c9ra01181a] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 05/15/2019] [Indexed: 01/02/2023] Open
Abstract
Two new coordination solids [Cu2(μ2-Bz)4(CH3OH)2][Cu2(η2-Bz)2(phen)2(H2O)2]·(NO3)2 (1) and [Cu(phen)(H2O)(Bz)(η2-Bz)] (2) (phen = 1,10-phenanthroline; Bz = benzoate) have been synthesized and characterized using elemental analysis, TGA, spectroscopic (IR, UV-vis-NIR and ESR) and single crystal X-ray diffraction techniques. Change of the solvent from methanol to DMF results in changes in the architectures that are triggered by a change from square pyramidal to octahedral coordination at the divalent metal centers for complexes 1 and 2 respectively. The structural topology of the complexes is established by the interplay of strong O-H⋯O and weak C-H⋯O, C-H⋯C, π-π stacking interactions. Unconventional parallel intramolecular and anti-parallel intermolecular contacts involving the chelate rings (CR) also stabilize the structures. The energetic analyses of the structures evidence that the parallel arrangement is energetically favoured which is likely due to the presence of the Cu⋯Cu cuprophilic interaction in 1 that is not established in 2. Compound 1 exhibits the highest antibacterial activity against Rhizobium leguminosarum among the tested cultures. In vitro cytotoxicity and apoptosis studies were carried out for compounds 1 and 2 on malignant Dalton's lymphoma cell line (DL). Both compounds showed a significant effect on the decrease in cell viability as compared to a control, while compound 2 induced remarkable cytotoxicity towards DL cells. Treatment also showed the appearance of membrane blebbing, chromatin condensation and fragmented nuclei which are typical characteristic features of apoptotic cell death. Furthermore, a docking study revealed that both compounds docked in the active sites of all the cancer target proteins under study. Moreover, SAR analysis revealed that oxygen and nitrogen atoms of compound 1 and the oxygen atoms of compound 2 are crucial for biological activities.
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Affiliation(s)
| | - Utpal Saha
- Department of Chemistry, Cotton University Guwahati 781001 Assam India
| | - Debajit Dutta
- Department of Chemistry, Cotton University Guwahati 781001 Assam India
| | - Amal Das
- Department of Chemistry, Cotton University Guwahati 781001 Assam India
| | - Akalesh K Verma
- Department of Zoology, Cell & Biochemical Technology Laboratory, Cotton University Guwahati 781001 Assam India
| | - Antonio Frontera
- Departament de Química, Universitat de les Illes Balears Crta de Valldemossa km 7.7 07122 Palma de Mallorca Baleares Spain
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Bello L, Quintero M, Mora AJ, González T, Escalona A, Añez R, Ávila EE, Briceño A. Study of temperature and ligand flexibility effects on coordination polymer formation from cyclobutanetetracarboxylic acid. CrystEngComm 2015. [DOI: 10.1039/c5ce00646e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three novel coordination polymers (CPs) from rctt-H4Cbtc and 4,4’-bpe with Zn and Ni metal nodes have been synthesized. The CP derivates of Zn are an unusual example for the preparation of metastable phases involving temperature dependent and concomitant transformation.
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Affiliation(s)
- Lizaira Bello
- Laboratorio de Síntesis y Caracterización de Nuevos Materiales
- Centro de Química
- Instituto Venezolano de Investigaciones Científicas
- San Antonio de Los Altos, Venezuela
| | - Marilyn Quintero
- Laboratorio de Síntesis y Caracterización de Nuevos Materiales
- Centro de Química
- Instituto Venezolano de Investigaciones Científicas
- San Antonio de Los Altos, Venezuela
- Laboratorio de Cristalografía
| | - Asiloé J. Mora
- Laboratorio de Cristalografía
- Departamento de Química
- Facultad de Ciencias
- Mérida, Venezuela
| | - Teresa González
- Laboratorio de Síntesis y Caracterización de Nuevos Materiales
- Centro de Química
- Instituto Venezolano de Investigaciones Científicas
- San Antonio de Los Altos, Venezuela
| | - Ana Escalona
- Laboratorio de Síntesis y Caracterización de Nuevos Materiales
- Centro de Química
- Instituto Venezolano de Investigaciones Científicas
- San Antonio de Los Altos, Venezuela
| | - Rafael Añez
- Laboratorio de Química Computacional
- Centro de Química
- Instituto Venezolano de Investigaciones Científicas
- San Antonio de Los Altos, Venezuela
| | - Edward E. Ávila
- Laboratorio de Síntesis y Caracterización de Nuevos Materiales
- Centro de Química
- Instituto Venezolano de Investigaciones Científicas
- San Antonio de Los Altos, Venezuela
| | - Alexander Briceño
- Laboratorio de Síntesis y Caracterización de Nuevos Materiales
- Centro de Química
- Instituto Venezolano de Investigaciones Científicas
- San Antonio de Los Altos, Venezuela
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Guilleme J, Martínez-Fernández L, González-Rodríguez D, Corral I, Yáñez M, Torres T. An Insight into the Mechanism of the Axial Ligand Exchange Reaction in Boron Subphthalocyanine Macrocycles. J Am Chem Soc 2014; 136:14289-98. [DOI: 10.1021/ja508181b] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Julia Guilleme
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Lara Martínez-Fernández
- Departamento
de Química, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
| | - David González-Rodríguez
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Inés Corral
- Departamento
de Química, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Manuel Yáñez
- Departamento
de Química, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Tomás Torres
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
- IMDEA Nanociencia, c/Faraday 9, Campus de Cantoblanco, 28049 Madrid, Spain
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Li J, Yang G, Hou L, Cui L, Li Y, Wang YY, Shi QZ. Three new solvent-directed 3D lead(ii)–MOFs displaying the unique properties of luminescence and selective CO2 sorption. Dalton Trans 2013; 42:13590-8. [DOI: 10.1039/c3dt51203g] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Yokoyama T, Iwamoto E, Kumamaru T. Extraordinary Coordination of Acetonitrile to Square-Planar, 1,4,8,11-Tetraazacyclotetradecanenickel(II) and (1R,4R,8S,11S)-1,4,8,11-Tetramethyl-l,4,8,11-tetraazacyclotetradecanenickel(II) Cations. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1991. [DOI: 10.1246/bcsj.64.464] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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