1
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Patra A, Carrella LM, Vojtíšek P, Rentschler E, Manna SC. Opposing magnetic communications in two dinuclear Ni(II) complexes: Ferromagnetic Ni-N-Ni and antiferromagnetic Ni-O-Ni moiety. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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2
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Mahish MK, Carrella LM, Patra A, Saren D, Zangrando E, Vojtíšek P, Rentschler E, Manna SC. Tryptophan moiety ligand based tri/tetranuclear Ni( ii) complexes: syntheses, structure and magnetic properties. NEW J CHEM 2022. [DOI: 10.1039/d2nj02467e] [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
Two N-(2-(hydroxy)-3-methoxybenzylidene)tryptophan coordinated Ni(ii) complexes have been synthesized and structurally characterized. Magnetic analysis reveals antiferromagnetic behaviour for both the compounds.
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Affiliation(s)
- Manas Kumar Mahish
- Department of Chemistry, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Luca M. Carrella
- Department of Chemistry, Johannes Gutenberg University, 55128 Mainz, Germany
| | - Apu Patra
- Department of Chemistry, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Dama Saren
- Department of Chemistry, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Ennio Zangrando
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, 34127 Trieste, Italy
| | - Pavel Vojtíšek
- Department of Inorganic Chemistry, Charles University in Prague, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Eva Rentschler
- Department of Chemistry, Johannes Gutenberg University, 55128 Mainz, Germany
| | - Subal Chandra Manna
- Department of Chemistry, Vidyasagar University, Midnapore 721102, West Bengal, India
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3
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Chakraborty T, Mukherjee S, Parveen R, Chandra A, Samanta D, Das D. A combined experimental and theoretical rationalization of an unusual zinc(ii)-mediated conversion of 18-membered Schiff-base macrocycles to 18-membered imine–amine macrocycles with imidazolidine side rings: an investigation of their bio-relevant catalytic activities. NEW J CHEM 2021. [DOI: 10.1039/d0nj05635a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Macrocyclic Zn(ii)-based Schiff base complexes exhibit significant phosphatase-like activity as well as high potential anticancer activity against breast cancer cells.
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Affiliation(s)
| | - Somali Mukherjee
- Department of Chemistry
- University of Calcutta
- Kolkata 700009
- India
| | - Rumana Parveen
- Department of Chemistry
- University of Calcutta
- Kolkata 700009
- India
| | - Arpita Chandra
- In Vitro Carcinogenesis and Cellular Chemotherapy
- Chittaranjan National Cancer Institute
- Kolkata-700026
- India
| | - Debabrata Samanta
- Department of Chemistry
- Dukhulal Nibaran Chandra College
- Aurangabad
- India
| | - Debasis Das
- Department of Chemistry
- University of Calcutta
- Kolkata 700009
- India
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4
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One-Pot Self-Assembly of Dinuclear, Tetranuclear, and H-Bonding-Directed Polynuclear Cobalt(II), Cobalt(III), and Mixed-Valence Co(II)/Co(III) Complexes of Schiff Base Ligands with Incomplete Double Cubane Core. MATERIALS 2020; 13:ma13235425. [PMID: 33260611 PMCID: PMC7730246 DOI: 10.3390/ma13235425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/24/2020] [Accepted: 11/25/2020] [Indexed: 11/16/2022]
Abstract
The reaction of 2,6-diformyl-4-methylphenol (DFMF) with 1-amino-2-propanol (AP) and tris(hydroxymethyl)aminomethane (THMAM) was investigated in the presence of Cobalt(II) salts, (X = ClO4−, CH3CO2−, Cl−, NO3−), sodium azide (NaN3), and triethylamine (TEA). In one pot, the variation in Cobalt(II) salt results in the self-assembly of dinuclear, tetranuclear, and H-bonding-directed polynuclear coordination complexes of Cobalt(III), Cobalt(II), and mixed-valence CoIICoIII: [Co2III(H2L−1)2(AP−1)(N3)](ClO4)2 (1), [Co4(H2L−1)2(µ3-1,1,1-N3)2(µ-1,1-N3)2Cl2(CH3OH)2]·4CH3OH (2), [Co2IICo2III(HL−2)2(µ-CH3CO2)2(µ3-OH)2](NO3)2·2CH3CH2OH (3), and [Co2IICo2III (H2L12−)2(THMAM−1)2](NO3)4 (4). In 1, two cobalt(III) ions are connected via three single atom bridges; two from deprotonated ethanolic oxygen atoms in the side arms of the ligands and one from the1-amino-2-propanol moiety forming a dinuclear unit with a very short (2.5430(11) Å) Co-Co intermetallic separation with a coordination number of 7, a rare feature for cobalt(III). In 2, two cobalt(II) ions in a dinuclear unit are bridged through phenoxide O and μ3-1,1,1-N3 azido bridges, and the two dinuclear units are interconnected by two μ-1,1-N3 and two μ3-1,1,1-N3 azido bridges generating tetranuclear cationic [Co4(H2L−1)2(µ3-1,1,1-N3)2(µ-1,1-N3)2Cl2(CH3OH)2]2+ units with an incomplete double cubane core, which grow into polynuclear 1D-single chains along the a-axis through H-bonding. In 3, HL2− holds mixed-valent Co(II)/Co(III) ions in a dinuclear unit bridged via phenoxide O, μ-1,3-CH3CO2−, and μ3-OH− bridges, and the dinuclear units are interconnected through two deprotonated ethanolic O in the side arms of the ligands and two μ3-OH− bridges generating cationic tetranuclear [Co2IICo2III(HL−2)2(µ-CH3CO2)2(µ3-OH)2]2+ units with an incomplete double cubane core. In 4, H2L1−2 holds mixed-valent Co(II)/Co(III) ions in dinuclear units which dimerize through two ethanolic O (μ-RO−) in the side arms of the ligands and two ethanolic O (μ3-RO−) of THMAM bridges producing centrosymmetric cationic tetranuclear [Co2IICo2III (H2L1−2)2(THMAM−1)2]4+ units which grow into 2D-sheets along the bc-axis through a network of H-bonding. Bulk magnetization measurements on 2 demonstrate that the magnetic interactions are completely dominated by an overall ferromagnetic coupling occurring between Co(II) ions.
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Tandon SS, Bunge SD, Patel N, Wang EC, Thompson LK. Self-Assembly of Antiferromagnetically-Coupled Copper(II) Supramolecular Architectures with Diverse Structural Complexities. Molecules 2020; 25:molecules25235549. [PMID: 33256163 PMCID: PMC7734591 DOI: 10.3390/molecules25235549] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 11/22/2020] [Accepted: 11/23/2020] [Indexed: 11/16/2022] Open
Abstract
The self-assembly of 2,6-diformyl-4-methylphenol (DFMP) and 1-amino-2-propanol (AP)/2-amino-1,3-propanediol (APD) in the presence of copper(II) ions results in the formation of six new supramolecular architectures containing two versatile double Schiff base ligands (H3L and H5L1) with one-, two-, or three-dimensional structures involving diverse nuclearities: tetranuclear [Cu4(HL2−)2(N3)4]·4CH3OH·56H2O (1) and [Cu4(L3−)2(OH)2(H2O)2] (2), dinuclear [Cu2(H3L12−)(N3)(H2O)(NO3)] (3), polynuclear {[Cu2(H3L12−)(H2O)(BF4)(N3)]·H2O}n (4), heptanuclear [Cu7(H3L12−)2(O)2(C6H5CO2)6]·6CH3OH·44H2O (5), and decanuclear [Cu10(H3L12−)4(O)2(OH)2(C6H5CO2)4] (C6H5CO2)2·20H2O (6). X-ray studies have revealed that the basic building block in 1, 3, and 4 is comprised of two copper centers bridged through one μ-phenolate oxygen atom from HL2− or H3L12−, and one μ-1,1-azido (N3−) ion and in 2, 5, and 6 by μ-phenoxide oxygen of L3− or H3L12− and μ-O2− or μ3-O2− ions. H-bonding involving coordinated/uncoordinated hydroxy groups of the ligands generates fascinating supramolecular architectures with 1D-single chains (1 and 6), 2D-sheets (3), and 3D-structures (4). In 5, benzoate ions display four different coordination modes, which, in our opinion, is unprecedented and constitutes a new discovery. In 1, 3, and 5, Cu(II) ions in [Cu2] units are antiferromagnetically coupled, with J ranging from −177 to −278 cm−1.
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Affiliation(s)
- Santokh S. Tandon
- Department of Chemistry and Biochemistry, Kent State University-Salem Campus, Salem, OH 44460, USA
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44242, USA; (S.D.B.); (N.P.); (E.C.W.)
- Correspondence: ; Tel.: +1-330-337-4235
| | - Scott D. Bunge
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44242, USA; (S.D.B.); (N.P.); (E.C.W.)
| | - Neil Patel
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44242, USA; (S.D.B.); (N.P.); (E.C.W.)
| | - Esther C. Wang
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH 44242, USA; (S.D.B.); (N.P.); (E.C.W.)
| | - Laurence K. Thompson
- Department of Chemistry, Memorial University, St. John’s Newfoundland, NL A1B 3X7, Canada;
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6
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Böhme M, Schuch D, Buchholz A, Görls H, Plass W. Spin Interactions and Magnetic Anisotropy in a Triangular Nickel(II) Complex with Triaminoguanidine Ligand Framework. Z Anorg Allg Chem 2020. [DOI: 10.1002/zaac.201900288] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Michael Böhme
- Institut für Anorganische und Analytische Chemie Friedrich‐Schiller‐Universität Jena Humboldtstraße 8 07743 Jena Germany
| | - Dirk Schuch
- Institut für Anorganische und Analytische Chemie Friedrich‐Schiller‐Universität Jena Humboldtstraße 8 07743 Jena Germany
| | - Axel Buchholz
- Institut für Anorganische und Analytische Chemie Friedrich‐Schiller‐Universität Jena Humboldtstraße 8 07743 Jena Germany
| | - Helmar Görls
- Institut für Anorganische und Analytische Chemie Friedrich‐Schiller‐Universität Jena Humboldtstraße 8 07743 Jena Germany
| | - Winfried Plass
- Institut für Anorganische und Analytische Chemie Friedrich‐Schiller‐Universität Jena Humboldtstraße 8 07743 Jena Germany
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7
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Doroshenko I, Böhme M, Buchholz A, Simonikova L, Plass W, Pinkas J. Octanuclear nickel phosphonate core forming extended and molecular structures. CrystEngComm 2020. [DOI: 10.1039/d0ce01055c] [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
Three new nickel(ii) phosphonate complexes {[Na2Ni8(L)6]·nSolv}m (L = SAA3− (1), BSAA3− (2), NAA3− (3); Solv = H2O, MeOH; m = ∞ (1, 2), 1 (3)) possessing a new octanuclear {Ni8} phosphonate core were obtained and studied in detail.
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Affiliation(s)
- Iaroslav Doroshenko
- Department of Chemistry
- Masaryk University
- CZ-61137 Brno
- Czech Republic
- CEITEC MU
| | - Michael Böhme
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität Jena
- 07743 Jena
- Germany
| | - Axel Buchholz
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität Jena
- 07743 Jena
- Germany
| | - Lucie Simonikova
- Department of Chemistry
- Masaryk University
- CZ-61137 Brno
- Czech Republic
- CEITEC MU
| | - Winfried Plass
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität Jena
- 07743 Jena
- Germany
| | - Jiri Pinkas
- Department of Chemistry
- Masaryk University
- CZ-61137 Brno
- Czech Republic
- CEITEC MU
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8
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9
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Shiga T, Okawa N, Oshio H. A triple-triangle cluster derived from a simple tridentate ligand. Dalton Trans 2019; 48:17437-17440. [PMID: 31686072 DOI: 10.1039/c9dt03232k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The heptanuclear ferric cluster, [FeIII7(O)6(HL)5(H2L)(H2O)8](BF4)4 (H2L = 2,6-bis(1,5-diphenyl-1H-pyrazol-3-yl)pyridine), was synthesized by the reaction of the planar tridentate ligand H2L with iron(ii) tetrafluoroborate hexahydrate. The cluster has a corner-shared triple-triangle core structure connected by three μ-O atoms, and it has a spin-frustrated ferrimagnetic spin ground state of S = 19/2.
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Affiliation(s)
- Takuya Shiga
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki 305-8571, Japan.
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10
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Two new μ2-(1,1-azido) and μ2-(1,1-phenoxido)-bridged dinuclear nickel(II) complexes: Syntheses, single-crystal structures and magnetic studies. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.12.059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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11
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Mohammadnezhad G, Akintola O, Buchholz A, Görls H, Plass W. Probing the chirality of oxidovanadium( v) centers in complexes with tridentate sugar Schiff-base ligands: solid-state and solution behavior. NEW J CHEM 2019. [DOI: 10.1039/c9nj02881a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Configurations of oxidovanadium centers in diastereomeric complexes with chiral sugar ligands are assigned and in the solid state triggered by the coordination number at the vanadium center through the steric requirements of the chelate ligand.
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Affiliation(s)
| | - Oluseun Akintola
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität, Jena
- 07743 Jena
- Germany
| | - Axel Buchholz
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität, Jena
- 07743 Jena
- Germany
| | - Helmar Görls
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität, Jena
- 07743 Jena
- Germany
| | - Winfried Plass
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität, Jena
- 07743 Jena
- Germany
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12
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Double μ2-(phenoxido)-bridged dinuclear and polynuclear nickel(II) complexes: Magnetic properties and DNA/protein interaction. Polyhedron 2019. [DOI: 10.1016/j.poly.2018.09.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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13
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Doroshenko I, Babiak M, Buchholz A, Görls H, Plass W, Pinkas J. New molecular heptanuclear cobalt phosphonates: synthesis, structures and magnetic properties. NEW J CHEM 2018. [DOI: 10.1039/c8nj00902c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Synthesis, structures and magnetic properties (strong anisotropy, ferromagnetic and antiferromagnetic interactions) of novel {Co7} homoleptic molecular cobalt phosphonates with a similar structure motif are described.
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Affiliation(s)
- Iaroslav Doroshenko
- Department of Chemistry
- Masaryk University
- CZ-61137 Brno
- Czech Republic
- CEITEC MU
| | - Michal Babiak
- Department of Chemistry
- Masaryk University
- CZ-61137 Brno
- Czech Republic
- CEITEC MU
| | - Axel Buchholz
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität Jena
- 07743 Jena
- Germany
| | - Helmar Görls
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität Jena
- 07743 Jena
- Germany
| | - Winfried Plass
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität Jena
- 07743 Jena
- Germany
| | - Jiri Pinkas
- Department of Chemistry
- Masaryk University
- CZ-61137 Brno
- Czech Republic
- CEITEC MU
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14
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Torić F, Pavlović G, Pajić D, Cindrić M, Zadro K. Tetranuclear Ni4 cubane complexes with high χT maxima: magneto-structural analysis. CrystEngComm 2018. [DOI: 10.1039/c8ce00566d] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Seven tetranuclear Ni(ii) cubane complexes with unexpectedly high χT maxima coming from the ZFS contribution and with an interesting magneto-structural correlation.
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Affiliation(s)
- Filip Torić
- Department of Physics
- Faculty of Science
- University of Zagreb
- Croatia
| | | | - Damir Pajić
- Department of Physics
- Faculty of Science
- University of Zagreb
- Croatia
| | - Marina Cindrić
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- Croatia
| | - Krešo Zadro
- Department of Physics
- Faculty of Science
- University of Zagreb
- Croatia
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15
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Pei S, Hu Z, Chen Z, Yu S, Li B, Liang Y, Liu D, Yao D, Liang F. Heterometallic hexanuclear Ni4M2 (M = Dy, Y) complexes: structure and single-molecule magnet for the Dy(iii) derivative. Dalton Trans 2018; 47:1801-1807. [PMID: 29355256 DOI: 10.1039/c7dt04003b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We report here a 3d–4f heterometallic hexanuclear Ni4Dy2 single-molecule magnet with an S-shaped double-pocket skeleton.
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Affiliation(s)
- Shaomin Pei
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry and Pharmaceutical Sciences
- Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Zhaobo Hu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry and Pharmaceutical Sciences
- Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Zilu Chen
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry and Pharmaceutical Sciences
- Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Shui Yu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry and Pharmaceutical Sciences
- Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Bo Li
- College of Chemistry and Pharmaceutical Engineering
- Nanyang Normal University
- Nanyang 473061
- P. R. China
| | - Yuning Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry and Pharmaceutical Sciences
- Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Dongcheng Liu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry and Pharmaceutical Sciences
- Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Di Yao
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry and Pharmaceutical Sciences
- Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Fupei Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources
- School of Chemistry and Pharmaceutical Sciences
- Guangxi Normal University
- Guilin 541004
- P. R. China
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16
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Singh SK, Srivastava K, Banerjee R, Prasad J. Syntheses and single crystal X-ray diffraction studies of hydroxynicotinic acid based complexes involving supramolecular interactions. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.05.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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17
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Biswas A, Drew MG, Gómez-García CJ, Ghosh A. Formation of a dinuclear and a trinuclear Ni(II) complex on slight variation of experimental conditions: Structural analysis and magnetic properties. Polyhedron 2017. [DOI: 10.1016/j.poly.2016.09.050] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Ahmed BM, Mezei G. Accessing the inaccessible: discrete multinuclear coordination complexes and selective anion binding attainable only by tethering ligands together. Chem Commun (Camb) 2017; 53:1029-1032. [DOI: 10.1039/c6cc09197k] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The use of tethers between ligands allows for the preparation of novel multimetallic complexes, not obtainable without tethers, and leads to unexpected properties, such as selective binding of the carbonate vs. sulfate anion by nanojars.
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Affiliation(s)
- Basil M. Ahmed
- Department of Chemistry
- Western Michigan University
- Kalamazoo
- USA
| | - Gellert Mezei
- Department of Chemistry
- Western Michigan University
- Kalamazoo
- USA
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19
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Seth P, Figuerola A, Jover J, Ruiz E, Ghosh A. Antiferro- to ferromagnetic crossover in diphenoxido bridged NiII2MnII complexes derived from N2O2 donor Schiff base ligands. Polyhedron 2016. [DOI: 10.1016/j.poly.2016.05.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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20
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Tetracopper complexes with two-mode cubane-like Cu4O4 core from similar hydroxyl-rich salicylaldehyde Schiff bases: Structure and magnetic properties. Polyhedron 2016. [DOI: 10.1016/j.poly.2016.02.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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21
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Löffler M, Gregoliński J, Korabik M, Lis T, Lisowski J. Multinuclear Ni(ii), Cu(ii) and Zn(ii) complexes of chiral macrocyclic nonaazamine. Dalton Trans 2016; 45:15586-15594. [DOI: 10.1039/c6dt02504h] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Herein, we report the preparation and crystal structures of Ni(ii), Cu(ii) and Zn(ii) complexes. For both the Ni(ii) and Cu(ii) compounds, a magnetostructural correlation was established.
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Affiliation(s)
- Marta Löffler
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | | | - Maria Korabik
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Tadeusz Lis
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Jerzy Lisowski
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
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22
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Mohammadnezhad G, Debel R, Plass W. Molybdenum(VI)-promoted sulfoxidation in the presence of tridentate sugar-based Schiff-base ligands. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcata.2015.09.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Tandon SS, Bunge SD, Toth SA, Sanchiz J, Thompson LK, Shelley JT. Antiferromagnetically Coupled Dimeric Dodecacopper Supramolecular Architectures of Macrocyclic Ligands with a Symmetrical μ6-BO3(3-) Central Moiety. Inorg Chem 2015; 54:6873-84. [PMID: 26113440 DOI: 10.1021/acs.inorgchem.5b00771] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Reactions between 2,6-diformyl-4-alkyl(R)-phenol (R = CH3 or C(CH3)3) and 1,3-diamino-2-hydroxypropane (1,3-DAP) in the presence of copper(II) salts (Cu(BF4)2·6H2O, Cu(ClO4)2·6H2O/H3BO3/Ar) and triethylamine (TEA) in a single pot result in self-assembly of dimeric dodecacopper supramolecular architectures of 30-membered hexatopic macrocyclic ligands (H6L4 and H6L5) with unique and fascinating structures having the BO3(3-) anion as the central species bonded to all six copper centers in a symmetrical fashion (μ6-BO3(3-)). A number of closely related macrocyclic hexacopper complexes are reported: {[Cu6(L4)(μ6-BO3)(μ-H2O)(C3H7NO)2(BF4)][BF4]2·3C3H7NO}2 (1) (DMF = C3H7NO), {[Cu6(L4)(μ6-BO3)(μ-C3H7NO)3][ClO4]3·3C3H7NO}2 (2), {[Cu6(L5)(μ6-BO3)(μ-OH)(H2O)3(C3H7NO)][BF4]2·6C3H7NO·4C2H5OH·2H2O}2 (3), {[Cu6(L5)(μ6-BO3)(μ-CH3OH)(CH3OH)2][ClO4]3·10H2O}2 (4), and {[Cu6(L5)(μ6-BO3)(μ-CH3CO2)(μ-CH3O)(CH3OH)][BF4]·13CH3OH·8H2O}2 (5). A polymeric side product {[Cu2(H2L2)(CH3OH)(BF4)][BF4]}n (6), involving a 2 + 2 macrocyclic ligand, was also isolated and structurally characterized. Complex 6 involves dinuclear copper(II) units linked through BF4(-) anions to form a novel 1D single-chain polymeric coordination compound. This appears to be the first report in which a central BO3(3-) species is linked to six copper(II) ions held together by a single macrocyclic ligand through three μ1,1-O(BO3(3-)) and three μ1,3-O(BO3(3-)) bridges. In complexes 1-5 the BO3(3-) is present in the center of the macrocyclic cavity and is bonded to all six metal centers arranged in a benzene-like hexagonal array. In the hexagonal array there are alternate double (μ-alkoxide and μ1,3-O(BO3(3-))) and (μ-phenoxide and μ1,1-O(BO3(3-))) bridges between the Cu(II) centers. The symmetrical hexa-bridging nature of μ6-BO3(3-) is unprecedented in transition metal complex chemistry, and along with alkoxide and phenoxide bridges in the equatorial plane provides effective pathways for an overall antiferromagnetic exchange interaction between six copper(II) centers. In 1, 3, and 5 the BO3(3-) moiety is produced in one step (synthetic) by an unusual copper(II)-macrocycle complex catalyzed hydrolysis of BF4(-) ion in methanol. In 2 and 4 the central species (BO3(3-)) comes from boric acid (H3BO3) which is added to reaction mixture of Cu(ClO4)2/H6L4/H6L5 under inert conditions to confirm the identity of the central species.
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Affiliation(s)
- Santokh S Tandon
- †Department of Chemistry, Kent State University Salem, 2491 State Route 45 South, Salem, Ohio 44460, United States.,‡Department of Chemistry, Kent State University, 1175 Risman Drive, Kent, Ohio 44242, United States
| | - Scott D Bunge
- ‡Department of Chemistry, Kent State University, 1175 Risman Drive, Kent, Ohio 44242, United States
| | - Sara A Toth
- ‡Department of Chemistry, Kent State University, 1175 Risman Drive, Kent, Ohio 44242, United States
| | - Joaquin Sanchiz
- §Departamento de Química, Facultad de Ciencias, Universidad de La Laguna, 38206 Tenerife, Spain
| | - Laurence K Thompson
- ∥Department of Chemistry, Memorial University, St. John's, Newfoundland A1B 3X7, Canada
| | - Jacob T Shelley
- ‡Department of Chemistry, Kent State University, 1175 Risman Drive, Kent, Ohio 44242, United States
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Oxidation of substituted benzyl amines using a phenoxo-bridged dimeric nickel(II) complex: synthesis, crystal structure and catalytic activity. TRANSIT METAL CHEM 2014. [DOI: 10.1007/s11243-014-9905-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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25
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Seth P, Figuerola A, Jover J, Ruiz E, Ghosh A. Ferro- to Antiferromagnetic Crossover Angle in Diphenoxido- and Carboxylato-Bridged Trinuclear NiII2–MnII Complexes: Experimental Observations and Theoretical Rationalization. Inorg Chem 2014; 53:9296-305. [DOI: 10.1021/ic501425x] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Piya Seth
- Department
of Chemistry, University College of Science, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, India
| | - Albert Figuerola
- Departament de Quı́mica
Inorgànica, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
- Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Jesús Jover
- Departament de Quı́mica
Inorgànica, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
- Institut de Recerca de Quı́mica Teòrica
i Computacional, Universitat de Barcelona, Diagonal 645, E-08028 Barcelona, Spain
| | - Eliseo Ruiz
- Departament de Quı́mica
Inorgànica, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
- Institut de Recerca de Quı́mica Teòrica
i Computacional, Universitat de Barcelona, Diagonal 645, E-08028 Barcelona, Spain
| | - Ashutosh Ghosh
- Department
of Chemistry, University College of Science, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, India
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26
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Hurley NJ, Hayward JJ, Rawson JM, Murrie M, Pilkington M. Exploring the Coordination Chemistry of 3,3′-Di(picolinamoyl)-2,2′-bipyridine: One Ligand, Multiple Nuclearities. Inorg Chem 2014; 53:8610-23. [DOI: 10.1021/ic501224q] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Nicholas J. Hurley
- Department
of Chemistry, Brock University, 500 Glenridge Ave, St Catharines, Ontario, Canada L2S 3A1
| | - John J. Hayward
- Department
of Chemistry, Brock University, 500 Glenridge Ave, St Catharines, Ontario, Canada L2S 3A1
| | - Jeremy M. Rawson
- Department of Chemistry
and Biochemistry, University of Windsor, 401 Sunset Ave., Windsor, Ontario, Canada N9B 3P4
| | - Mark Murrie
- School of Chemistry, Joseph Black Building, University Ave, Glasgow, Lanarkshire G12 8QQ, United Kingdom
| | - Melanie Pilkington
- Department
of Chemistry, Brock University, 500 Glenridge Ave, St Catharines, Ontario, Canada L2S 3A1
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Gomila A, Duval S, Besnard C, Krämer KW, Liu SX, Decurtins S, Williams AF. Tetracarboxylate Ligands as New Chelates Supporting Copper(II) Paddlewheel-Like Structures. Inorg Chem 2014; 53:2683-91. [DOI: 10.1021/ic403077q] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Antoine Gomila
- Department
of Inorganic and Analytical Chemistry, University of Geneva, 30 quai Ernest
Ansermet, CH 1211 Geneva 4, Switzerland
| | - Sylvain Duval
- Department
of Inorganic and Analytical Chemistry, University of Geneva, 30 quai Ernest
Ansermet, CH 1211 Geneva 4, Switzerland
| | - Céline Besnard
- Laboratory
for X-ray Crystallography, University of Geneva, 24 quai Ernest
Ansermet, CH 1211 Geneva 4, Switzerland
| | - Karl W. Krämer
- Departement
für Chemie und Biochemie, Universität Bern, Freiestrasse 3, CH-3012 Bern, Switzerland
| | - Shi-Xia Liu
- Departement
für Chemie und Biochemie, Universität Bern, Freiestrasse 3, CH-3012 Bern, Switzerland
| | - Silvio Decurtins
- Departement
für Chemie und Biochemie, Universität Bern, Freiestrasse 3, CH-3012 Bern, Switzerland
| | - Alan F. Williams
- Department
of Inorganic and Analytical Chemistry, University of Geneva, 30 quai Ernest
Ansermet, CH 1211 Geneva 4, Switzerland
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28
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Seth P, Ghosh S, Figuerola A, Ghosh A. Trinuclear heterometallic CuII–MnIIcomplexes of a salen type Schiff base ligand: anion dependent variation of phenoxido bridging angles and magnetic coupling. Dalton Trans 2014; 43:990-8. [DOI: 10.1039/c3dt52012a] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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29
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Burkhardt A, Buchholz A, Görls H, Plass W. Intramolecular Hydrogen Bonding of a Chloride Acceptor Supported by a Dinuclear Nickel(II) Complex withN-Salicylidene Hydrazide Ligand: Crystal Structure and Magnetic Properties. Z Anorg Allg Chem 2013. [DOI: 10.1002/zaac.201300418] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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30
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Seppälä P, Colacio E, Mota AJ, Sillanpää R. Structural Diversity due to Amino Alcohol Ligands Leading to Rare μ4-Hydroxo-Bridged Tetranuclear and “Bicapped Cubane” Cores in Copper(II) Complexes: A Theoretical and Experimental Magnetostructural Study. Inorg Chem 2013; 52:11096-109. [DOI: 10.1021/ic401325b] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Petri Seppälä
- Department
of Chemistry, University of Jyväskylä, P.O. Box 35, University of Jyväskylä,
FIN-40014 Jyväskylä, Finland
| | - Enrique Colacio
- Departamento de
Química Inorgánica, Facultad de Ciencias, Universidad de Granada, Avda. de Fuentenueva s/n, 18071 Granada, Spain
| | - Antonio J. Mota
- Departamento de
Química Inorgánica, Facultad de Ciencias, Universidad de Granada, Avda. de Fuentenueva s/n, 18071 Granada, Spain
| | - Reijo Sillanpää
- Department
of Chemistry, University of Jyväskylä, P.O. Box 35, University of Jyväskylä,
FIN-40014 Jyväskylä, Finland
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31
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Biswas R, Ida Y, Baker ML, Biswas S, Kar P, Nojiri H, Ishida T, Ghosh A. A New Family of Trinuclear Nickel(II) Complexes as Single-Molecule Magnets. Chemistry 2013; 19:3943-53. [DOI: 10.1002/chem.201202795] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Revised: 11/08/2012] [Indexed: 11/09/2022]
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32
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Mohammadnezhad G, Böhme M, Geibig D, Burkhardt A, Görls H, Plass W. Chiral vanadium(v) complexes with 2-aminoglucose Schiff-base ligands and their solution configurations: synthesis, structures, and DFT calculations. Dalton Trans 2013; 42:11812-23. [DOI: 10.1039/c3dt50890k] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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33
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Canaj AB, Nodaraki LE, Philippidis A, Tzimopoulos DI, Fotopoulou E, Siczek M, Lis T, Milios CJ. An indeno-quinoxaline based oxime ligand for the synthesis of polynuclear Ni(ii) clusters. RSC Adv 2013. [DOI: 10.1039/c3ra41455h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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34
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Graf M, Sünkel K. First cyclometalated iridium(III) complex containing methyl 2-amino-2-deoxy-β-d-glucopyranoside as N,O-chelate. Inorganica Chim Acta 2012. [DOI: 10.1016/j.ica.2011.12.055] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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35
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Biswas R, Giri S, Saha SK, Ghosh A. One Ferromagnetic and Two Antiferromagnetic Dinuclear Nickel(II) Complexes Derived from a Tridentate N,N,O-Donor Schiff Base Ligand: A Density Functional Study of Magnetic Coupling. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201200028] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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36
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Plass W. Chiral and supramolecular model complexes for vanadium haloperoxidases: Host–guest systems and hydrogen bonding relays for vanadate species. Coord Chem Rev 2011. [DOI: 10.1016/j.ccr.2011.04.014] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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37
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Plaul D, Plass W. Phloroglucinol-bridged trinuclear complexes with three paramagnetic octahedral nickel(II) ions: Syntheses, crystal structures, and magnetic properties. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.03.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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38
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Biswas R, Kar P, Song Y, Ghosh A. The importance of an additional water bridge in making the exchange coupling of bis(μ-phenoxo) dinickel(II) complexes ferromagnetic. Dalton Trans 2011; 40:5324-31. [PMID: 21479330 DOI: 10.1039/c0dt01585g] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two new nickel(II) complexes [Ni(2)L(2)(PhCOO)(2)(H(2)O)] (1), [Ni(2)L(2)(PhCH(2)COO)(2)(H(2)O)] (2) have been synthesized using a tridentate Schiff base ligand, HL (2-[(3-dimethylamino-propylimino)-methyl]-phenol) and the carboxylate monoanions, benzoate and phenylacetate, respectively. The complexes have been characterized by spectral analysis, variable temperature magnetic susceptibility measurement and crystal structure analysis. The structural analyses reveal that both complexes are dinuclear in which the distorted octahedral Ni(2+) ions share a face, bridged by one water molecule and two μ(2)-phenoxo oxygen atoms. A monodentate benzoate or phenylacetate anion and two nitrogen atoms of the chelating deprotonated Schiff base (L) complete the hexa-coordination around the metal ion. Variable-temperature magnetic susceptibility studies indicate the presence of dominant ferromagnetic exchange coupling in complexes 1 and 2 with J values of 11.1(2) and 10.9(2) cm(-1) respectively. An attempt has been made to rationalize the observed magneto-structural behavior considering the importance of the additional water bridge in the present two complexes and also in other similar species.
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Affiliation(s)
- Rituparna Biswas
- Department of Chemistry, University College of Science, University of Calcutta, 92, A.P.C. Road, Kolkata, 700 009, India
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39
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Katsenis AD, Kessler VG, Papaefstathiou GS. High-spin Ni(ii) clusters: triangles and planar tetranuclear complexes. Dalton Trans 2011; 40:4590-8. [DOI: 10.1039/c0dt01705a] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Mustapha A, Reglinski J, Kennedy AR, Armstrong DR, Sassmannshausen J, Murrie M. Multidentate Ligands for the Synthesis of Multimetallic Complexes. 2. Formation of a Planar Cu4OH Motif. Inorg Chem 2010; 49:5350-2. [DOI: 10.1021/ic100594n] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Abdullahi Mustapha
- Department of Pure & Applied Chemistry, Strathclyde University, 295 Cathedral Street, Glasgow G1 1XL, U.K
- Department of Chemistry, Kano University of Science & Technology, Wudil, Nigeria
| | - John Reglinski
- Department of Pure & Applied Chemistry, Strathclyde University, 295 Cathedral Street, Glasgow G1 1XL, U.K
| | - Alan R. Kennedy
- Department of Pure & Applied Chemistry, Strathclyde University, 295 Cathedral Street, Glasgow G1 1XL, U.K
| | - David R. Armstrong
- Department of Pure & Applied Chemistry, Strathclyde University, 295 Cathedral Street, Glasgow G1 1XL, U.K
| | - Jörg Sassmannshausen
- Department of Pure & Applied Chemistry, Strathclyde University, 295 Cathedral Street, Glasgow G1 1XL, U.K
| | - Mark Murrie
- Department of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
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41
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Plass W. Structural variety and magnetic properties of polynuclear assemblies based on 2-aminoglucose and tritopic triaminoguanidine ligands. Coord Chem Rev 2009. [DOI: 10.1016/j.ccr.2008.12.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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42
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Wang L, Zhu L, Yin P, Fu W, Chen J, Hao J, Xiao F, Lv C, Zhang J, Shi L, Li Q, Wei Y. From 0D dimer to 2D Network—Supramolecular Assembly of Organic Derivatized Polyoxometalates with Remote Hydroxyl via Hydrogen Bonding. Inorg Chem 2009; 48:9222-35. [DOI: 10.1021/ic900985w] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Longsheng Wang
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Li Zhu
- Department of Chemistry, Tsinghua University, Beijing 100084, China
- Department of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 4111201, China
| | - Panchao Yin
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Weiwei Fu
- School of Material and Science Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Jiake Chen
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Jian Hao
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Fengping Xiao
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Chunlin Lv
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Jin Zhang
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Lu Shi
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Qiang Li
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yongge Wei
- Department of Chemistry, Tsinghua University, Beijing 100084, China
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43
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Mono- and dinuclear copper(II) complexes with meta-phenylene-bridging ligands: Synthesis, structure and magnetic properties. Polyhedron 2009. [DOI: 10.1016/j.poly.2008.11.039] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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44
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Chiral oxovanadium(V) complexes with a 6-amino-6-deoxyglucopyranoside-based Schiff-base ligand: Catalytic asymmetric sulfoxidation and structural characterization. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcata.2008.10.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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