1
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Mondal D, Sardar G, Kabra D, Balakrishna MS. 2,2'-Bipyridine derived doubly B ← N fused bisphosphine-chalcogenides, [C 5H 3N(BF 2){NCH 2P(E)Ph 2}] 2 (E = O, S, Se): tuning of structural features and photophysical studies. Dalton Trans 2022; 51:6884-6898. [PMID: 35441638 DOI: 10.1039/d2dt00287f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
2,2'-Bipyridine based bisphosphine [C5H3N{N(H)CH2PPh2}]2 (1) and its bischalcogenide derivatives [C5H3N{N(H)CH2P(E)Ph2}]2 (2, E = O; 3, E = S; 4, E = Se) were synthesized, and further reacted with BF3·Et2O/Et3N to form doubly B ← N fused compounds [C5H3N(BF2){NCH2P(E)Ph2}]2 (5, E = O; 6, E = S; 7, E = Se) in excellent yields. The influence of the PE bonds on the electronic properties of the doubly B ← N fused systems and their structural features were investigated in detail, supported by extensive experimental and computational studies. Compound 6 exhibited a very high quantum yield of ϕ = 0.56 in CH2Cl2, whereas compound 7 showed a least quantum yield of ϕ = 0.003 in acetonitrile. Density functional theory (DFT) calculations demonstrated that the LUMO/HOMO of compounds 5-7 mostly delocalized over the entire π-conjugated frameworks. The involvement of PE bonds in the HOMO energy level of these compounds follows the order: PO < PS < PSe. Time-correlated single photon counting (TCSPC) experiments of compounds 5-7 revealed the singlet lifetime of 4.26 ns for 6, followed by 4.03 ns for 5 and a lowest value of 2.18 ns (τ1) and 0.47 ns (τ2) with a double decay profile for 7. Our findings provide important strategies for the design of highly effective B ← N bridged compounds and tuning their photophysical properties by oxidizing phosphorus with different chalcogens. Compounds 5 and 6 have been employed as green emitters (λem = 515 nm) in fluorescent organic light-emitting diodes (OLEDs). For compound 5, doped into the poly(9-vinylcarbazole) (PVK) matrix with 5 wt% doping concentration, nearly 90 Cd m-2 luminance with 0.022% external quantum efficiency (EQE) was achieved. The best performance was observed for compound 6 doped into PVK by 1 wt% having a maximum luminance of 350 Cd m-2 and a similar EQE value.
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Affiliation(s)
- Dipanjan Mondal
- Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
| | - Gopa Sardar
- Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
| | - Dinesh Kabra
- Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
| | - Maravanji S Balakrishna
- Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
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2
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Zhang H, Toy PH. Halogen Bond‐Catalyzed Friedel−Crafts Reactions of Furans Using a 2,2’‐Bipyridine‐Based Catalyst. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202001019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Huimiao Zhang
- Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong People's Republic of China
| | - Patrick H. Toy
- Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong People's Republic of China
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3
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Annan NA, Butler IS, Osman YA, Hussein MH, Jean-Claude BJ, Saad EM, Mostafa SI. Complexes based N,N-donors (2,2′-bipyridyl & 2-(2-aminophenyl)benzimidazole); Synthesis, characterization, DNA interaction and toxicity assessment against Chlorella vulgaris microchlorophyte; X-ray crystal structure of [Zn(bpy)3)]Cl2. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119885] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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4
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Uvarova MA, Nefedov SE. Reactions of PhenCuX2 (X = OOCMe, O3SCF3) with 3,5-Dimethylpyrazole: Effect of the Anion Nature on the Composition and Structure of the Complexes. RUSS J COORD CHEM+ 2020. [DOI: 10.1134/s1070328420020062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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5
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Oliveras-González C, Linares M, Amabilino DB, Avarvari N. Large Synthetic Molecule that either Folds or Aggregates through Weak Supramolecular Interactions Determined by Solvent. ACS OMEGA 2019; 4:10108-10120. [PMID: 31460103 PMCID: PMC6648001 DOI: 10.1021/acsomega.9b01050] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 05/29/2019] [Indexed: 05/12/2023]
Abstract
Weak noncovalent interactions between large disclike molecules in poorly solvating media generally lead to the formation of fibers where the molecules stack atop one another. Here, we show that a particular chiral spacing group between large aromatic moieties, which usually lead to columnar stacks, in this case gives rise to an intramolecularly folded structure in relatively polar solvents, but in very apolar solvents forms finite aggregates. The molecule that displays this behavior has a C 3 symmetric benzene-1,3,5-tris(3,3'-diamido-2,2'-bipyridine) (BTAB) core with three metalloporphyrin units appended to it through short chiral spacers. Quite well-defined chromophore arrangements are evident by circular dichroism (CD) spectroscopy of this compound in solution, where clear exciton coupled bands of porphyrins are observed. In more polar solvents where the molecules are dispersed, a relatively weak CD signal is observed as a result of intramolecular folding, a feature confirmed by molecular modeling. The intramolecular folding was confirmed by measuring the CD of a C 2 symmetric analogue. The C 3 symmetric BTAB cores that would normally be expected to stack in a chiral arrangement in apolar solvents show no indication of CD, suggesting that there is no transfer of chirality through it (although the expected planar conformation of the 2,2'-bipyridine unit is confirmed by NMR spectroscopy). The incorporation of the porphyrins on the 3,3'-diamino-2,2'-bipyridine moiety spaced by a chiral unit leaves the latter incapable of assembling through supramolecular π-π stacking. Rather, modeling indicates that the three metalloporphyrin units interact, thanks to van der Waals interactions, favoring their close interactions over that of the BTAB units. Atomic force microscopy shows that, in contrast to other examples of molecules with the same core, disclike aggregates (rather than fibrillar one dimensional aggregates) are favored by the C 3 symmetric molecule. The closed structures are formed through nondirectional interlocking of porphyrin rings. The chiral spacer between the rigid core and the porphyrin moieties is undoubtedly important in determining the outcome in polar or less polar solvents, as modeling shows that this joint in the molecule has two favored conformations that render the molecule relatively flat or convex.
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Affiliation(s)
| | - Mathieu Linares
- Laboratory
of Organic Electronics, ITN, Campus Norrköping, Scientific Visualization
Group, ITN, Campus Norrköping, and Swedish e-Science Research Centre
(SeRC), Linköping University, SE-581 83 Linköping, Sweden
| | - David B. Amabilino
- School
of Chemistry, University of Nottingham, University Park, NG7 2RD Nottingham, U.K.
- GSK Carbon
Neutral Laboratories for Sustainable Chemistry, The University of Nottingham, Jubilee Campus, Triumph Road, NG7 2TU Nottingham, U.K.
| | - Narcis Avarvari
- MOLTECH-Anjou,
UMR 6200, CNRS, Univ. Angers, 2bd Lavoisier, 49045 Angers Cedex, France
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6
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Zhang Y, Sun J, Bai S, Zhao H, Wu X, Panezai H. Stability of Immobilization of Bipyridine‐proline on Zn‐Modified Bimodal Mesoporous Silicas and Recyclable Catalytic Performance in Asymmetric Aldol Reaction. ChemistrySelect 2019. [DOI: 10.1002/slct.201804000] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yajing Zhang
- Beijing Key Laboratory for Green Catalysis and Separation Department of Chemistry and Chemical EngineeringBeijing University of Technology Beijing 100124, P.R. China
| | - Jihong Sun
- Beijing Key Laboratory for Green Catalysis and Separation Department of Chemistry and Chemical EngineeringBeijing University of Technology Beijing 100124, P.R. China
| | - Shiyang Bai
- Beijing Key Laboratory for Green Catalysis and Separation Department of Chemistry and Chemical EngineeringBeijing University of Technology Beijing 100124, P.R. China
| | - Hongwu Zhao
- College of Life Science and Bio-engineeringBeijing University of Technology Beijing 100124, P.R. China
| | - Xia Wu
- Beijing Key Laboratory for Green Catalysis and Separation Department of Chemistry and Chemical EngineeringBeijing University of Technology Beijing 100124, P.R. China
| | - Hamida Panezai
- Beijing Key Laboratory for Green Catalysis and Separation Department of Chemistry and Chemical EngineeringBeijing University of Technology Beijing 100124, P.R. China
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7
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Li H, Famulari A, Xin L, Zhou H, Zhang P, Guo F. Stoichiometry mechanosynthesis and interconversion of metal salts containing [CuCl 3(H 2O)] − and [Cu 2Cl 8] 4−. CrystEngComm 2019. [DOI: 10.1039/c9ce00911f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The mechanochemical interconversion of two salts was achieved by the addition of an appropriate amount of one of the corresponding components (HL or CuCl2·2H2O), and the progress of dynamic interconversion was revealed by PXRD, fluorescence and Raman spectroscopy.
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Affiliation(s)
- Haitao Li
- College of Chemistry
- Liaoning University
- Shenyang
- China
| | - Antonino Famulari
- Dipartimento di Chimica Materiali e Ingegneria Chimca. “Giulio Natta”
- Politecnico di Milano
- 20131 Milan
- Italy
| | - Lianxin Xin
- College of Chemistry
- Liaoning University
- Shenyang
- China
| | - Hongjian Zhou
- College of Chemistry
- Liaoning University
- Shenyang
- China
| | - Peng Zhang
- College of Chemistry
- Liaoning University
- Shenyang
- China
| | - Fang Guo
- College of Chemistry
- Liaoning University
- Shenyang
- China
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8
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El Glaoui M, El Glaoui M, Jelsch C, Ben Nasr C. Hirshfeld Surface Analysis, Crystal Structure and Spectroscopic Studies of a New Cu(II) Halocuprate Salt with Protonated N-Amino-Ethyl-Piperazine. J STRUCT CHEM+ 2018. [DOI: 10.1134/s0022476618070120] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Anwar MU, Al-Harrasi A, Gavey EL, Pilkington M, Rawson JM, Thompson LK. A new nitrogen rich open chain diazine ligand system: synthesis coordination chemistry and magneto-structural studies. Dalton Trans 2018; 47:2511-2521. [PMID: 29302666 DOI: 10.1039/c7dt03845c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis and coordination chemistry of a new series of open chain diazine based ligands (L3aH2, L3bH2, and L3cH2) is reported. The ligands comprise a central disubstituted bipyridine moiety with two bridging alkoxide oxygen donors, together with diazine and pyridine terminal groups strategically located to coordinate three metal centres. Reactions of L3aH2 and L3bH2 with CuX2 (X- = ClO4, Cl, NO3) yield a trinuclear complex (1) and 1-D copper chains (2, 3). In these complexes the ligands bind copper ions via Nbipyridne, trans Ndiazine, Ohydrazone, and Npyridne donors while vacant sites are occupied by counter ions or solvent molecules (methanol, water, acetonitrile). Reaction of L3cH2 with MnCl2 affords a linear trinuclear Mn complex (4), where the Mn(ii) ions are connected via μ2-Ohydrazone linkers with no N-N bridging. Reaction of L3aH2 with Fe(SO3CF3)2 yields a tetranuclear mixed valence Fe complex (5), in which both trans N-N and Ohydrazone bridging is observed. Magnetic studies reveal the presence of moderate to strong antiferromagnetic interactions in complexes 1-4 while a mix of ferromagnetic and antiferromagnetic interactions is observed in complex 5.
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Affiliation(s)
- Muhammad U Anwar
- University of Nizwa, Chair of Oman's Medicinal Plants and Marine Natural Products, P O Box 33, PC 616, Birkat Almouz., Nizwa, Oman.
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10
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Anwar MU, Rawson JM, Gavey EL, Pilkington M, Al-Harrasi A, Thompson LK. Synthesis, characterization and magnetic studies on mono-, di-, and tri-nuclear Cu(ii) complexes of a new versatile diazine ligand. Dalton Trans 2017; 46:2105-2113. [PMID: 28154875 DOI: 10.1039/c6dt04794g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis and coordination chemistry of a new open-chain diazine ligand (L4H2) containing bipyridine, oxime and hydrazone functionalities is reported. Reaction of L4H2 with CuCl2·2H2O affords the mononuclear complex [Cu(L4H2)Cl2] (1) in which the ligand acts as a neutral tridentate N,N',N'' donor, whereas treatment with a large excess of CuCl2·2H2O affords the dinuclear complex [Cu2(L4H)Cl3(CH3OH)(H2O)] (2) in which the ligand is singly-deprotonated at the diazine, offering N,N',N'' and N,N' donor sets to two Cu(ii) ions. Reaction with Cu(NO3)2·3H2O yields the trinuclear complex, [Cu3(L4H)2(CH3OH)4(NO3)4] (3) in which the ligand is again singly deprotonated, but now presents a tetradentate N,N',N'',N'''-donor set to the first Cu(ii) and behaves as an N,O-chelate to a second Cu(ii), with a conformational change from cis to trans at the diazine moiety. When the latter reaction is repeated in the presence of a mild base, a second trinuclear complex is isolated, [Cu3(L4)2(CH3CH2OH)](NO3)2 (4) in which both the diazine and oxime functionalities of the ligand are deprotonated which subsequently bridges all three Cu(ii) ions, acting as an N,N',N'' donor to the first Cu(ii), a N,N' donor to a second Cu(ii) (similar to 2) and as a terminal O-donor to a third Cu(ii) ion. The Cu(ii) ions are linked mutually cis via the two-atom diazine bridge in the case of 2 and 4 and trans in the case of 3. Magnetic studies reveal the presence of weak ferromagnetic interactions in 2 (g = 2.2, J/k = +12.8 K) and strong antiferromagnetic interactions in both 3 and 4 (g = 2.093 J/k = -140 K and g = 2.24 J/k = -300 K respectively).
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Affiliation(s)
- Muhammad U Anwar
- University of Nizwa, Chair of Oman's Medicinal Plants and Marine Natural Products, P O Box 33, PC 616, Birkat Almouz, Nizwa, Oman. and Department of Chemistry and Biochemsitry, University of Windsor, 401 Sunset ave, Windsor, ON N9B3P4, Canada.
| | - Jeremy M Rawson
- Department of Chemistry and Biochemsitry, University of Windsor, 401 Sunset ave, Windsor, ON N9B3P4, Canada.
| | - Emma L Gavey
- Department of Chemistry, Brock University, 1812 Sir Isaac Brock Way, St. Cathaerines, ON L2S3A1, Canada
| | - Melanie Pilkington
- Department of Chemistry, Brock University, 1812 Sir Isaac Brock Way, St. Cathaerines, ON L2S3A1, Canada
| | - Ahmed Al-Harrasi
- University of Nizwa, Chair of Oman's Medicinal Plants and Marine Natural Products, P O Box 33, PC 616, Birkat Almouz, Nizwa, Oman.
| | - Laurence K Thompson
- Deptartment of Chemistry, Memorial University, St. John's, Newfoundland A1B 3X7, Canada
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11
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Zhu GZ, Li CL, Wang AL, Wang SY, Zou DL, Zhang XJ, Yang FL. Crystal structure of tris(3-(2-pyridyl)pyrazole)zinc(II)tetrachlorido zincate(II), C 24H 21Cl 4N 9Zn 2. Z KRIST-NEW CRYST ST 2016. [DOI: 10.1515/ncrs-2015-0104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C24H21Cl4N9Zn2, trigonal, R3̅c (no. 161), a = 13.3310(13) Å, b = 13.3310(13) Å, c = 58.070(9) Å, V = 8937.3(19) Å3 , Z = 12, R
gt
(F) = 0.0409, wR
ref
(F
2
) = 0.1491, S = 1.006, T = 296(2) K.
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Affiliation(s)
- Guang-Zhou Zhu
- School of Chemistry & Chemical Engineering, Jiangsu Key Laboratory, of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou Jiangsu 221116, P. R. China
| | - Chun-Ling Li
- School of Chemistry & Chemical Engineering, Jiangsu Key Laboratory, of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou Jiangsu 221116, P. R. China
| | - Ao-Lan Wang
- School of Chemistry & Chemical Engineering, Jiangsu Key Laboratory, of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou Jiangsu 221116, P. R. China
| | - Shi-Yu Wang
- School of Chemistry & Chemical Engineering, Jiangsu Key Laboratory, of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou Jiangsu 221116, P. R. China
| | - Dan-Ling Zou
- School of Chemistry & Chemical Engineering, Jiangsu Key Laboratory, of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou Jiangsu 221116, P. R. China
| | - Xiao-Jing Zhang
- School of Chemistry & Chemical Engineering, Jiangsu Key Laboratory, of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou Jiangsu 221116, P. R. China
| | - Feng-Lei Yang
- School of Chemistry & Chemical Engineering, Jiangsu Key Laboratory, of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou Jiangsu 221116, P. R. China
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12
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Lai TL, Pop F, Melan C, Canevet D, Sallé M, Avarvari N. Triggering Gel Formation and Luminescence through Donor-Acceptor Interactions in a C
3
-Symmetric Tris(pyrene) System. Chemistry 2016; 22:5839-43. [PMID: 26864120 DOI: 10.1002/chem.201600072] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Indexed: 12/22/2022]
Affiliation(s)
- Thanh-Loan Lai
- Laboratoire MOLTECH-Anjou; Université d'Angers, CNRS UMR 6200; 2 bd Lavoisier 49045 Angers Cedex France
| | - Flavia Pop
- Laboratoire MOLTECH-Anjou; Université d'Angers, CNRS UMR 6200; 2 bd Lavoisier 49045 Angers Cedex France
| | - Caroline Melan
- Laboratoire MOLTECH-Anjou; Université d'Angers, CNRS UMR 6200; 2 bd Lavoisier 49045 Angers Cedex France
| | - David Canevet
- Laboratoire MOLTECH-Anjou; Université d'Angers, CNRS UMR 6200; 2 bd Lavoisier 49045 Angers Cedex France
| | - Marc Sallé
- Laboratoire MOLTECH-Anjou; Université d'Angers, CNRS UMR 6200; 2 bd Lavoisier 49045 Angers Cedex France
| | - Narcis Avarvari
- Laboratoire MOLTECH-Anjou; Université d'Angers, CNRS UMR 6200; 2 bd Lavoisier 49045 Angers Cedex France
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13
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Gumbau-Brisa R, Hayward JJ, Wallis JD, Rawson JM, Pilkington M. Structural insights into the coordination chemistry and reactivity of a 3,3′-bis-imine-2,2′-bipyridine ligand. CrystEngComm 2016. [DOI: 10.1039/c5ce02349a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Govindaraj J, Thirumurugan S, Clara AS, Anbalagan K, SubbiahPandi A. Crystal structure of 2,2′-bipyridine-1,1′-diium tetrachloridozincate. Acta Crystallogr E Crystallogr Commun 2015; 71:m67-8. [PMID: 25844212 PMCID: PMC4350760 DOI: 10.1107/s2056989015003175] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 02/14/2015] [Indexed: 11/11/2022]
Abstract
In the crystal structure of the title salt, (C10H10N2)[ZnCl4], the bipyridinediium dication is not planar, with a dihedral angle of 37.21 (9)° between the planes of the two pyridine rings. In the crystal, the slightly distorted [ZnCl4]2−anions are packed into rods parallel to [001], with the organic cations arranged in corrugated layers parallel to (100). Cations and anions are linked through N—H...Cl hydrogen bonds, forming chains parallel to [20-1]. Additional C—H...Cl interactions consolidate the crystal packing.
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15
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Hurley NJ, Rawson JM, Pilkington M. 3,3'-di(pyrazinamoyl)-2,2'-bipyridine: rational ligand design for the self-assembly of a 1-D coordination polymer. Dalton Trans 2015; 44:1866-74. [PMID: 25482822 DOI: 10.1039/c4dt03220a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new ligand, 3,3'-di(pyrazinamoyl)-2,2'-bipyridine, L3H2 has been prepared and is comprised of distinct binding domains capable of facilitating the formation of coordination polymers. Reaction of L3H2 with [Cu2(OAc)4(H2O)2] in the presence of Et3N·HCl affords the complex {[Cu6(L3)2(Cl)2(OAc)6]·2H2O·2MeOH}n (1) in which the [L3](2-) anion binds two unique copper ions in a bis-tridentate fashion via amide and pyridyl N atoms. This bimetallic unit is linked to an equivalent unit via a pair of 1,3-acetato and μ-chloro bridges to afford a tetrameric [Cu4(L3)2Cl2(OAc)2] core. Coordination of one of the pyrazole substituents from each ligand to a third copper centre of a rigid paddlewheel [Cu2(OAc)4] unit leads to a unique 1-D polymeric structure. Magnetic studies of 1 reveal that the magnetism can be described in terms of two sets of exchange interactions; strong antiferromagnetic interactions between the two copper centres within the "paddle-wheel" (J/k = -190 K) and a combination of weaker ferro- and antiferro-magnetic interactions within the tetrameric core (J'/k = -5.7 K and J''/k = +2.1 K).
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Affiliation(s)
- Nicholas J Hurley
- Department of Chemistry, Brock University, 500 Glenridge Ave, St Catharines, Ontario, Canada L2S 3A1.
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16
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Wang J, Hayward JJ, Gumbau-Brisa R, Wallis JD, Stoeckli-Evans H, Pilkington M. Probing the reactivity of a 2,2′-bipyridyl-3,3′-bis-imine ligand by X-ray crystallography. CrystEngComm 2015. [DOI: 10.1039/c4ce01952k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Pop F, Melan C, Danila I, Linares M, Beljonne D, Amabilino DB, Avarvari N. Hierarchical Self-Assembly of Supramolecular Helical Fibres from AmphiphilicC3-Symmetrical Functional Tris(tetrathiafulvalenes). Chemistry 2014; 20:17443-53. [DOI: 10.1002/chem.201404753] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Indexed: 11/06/2022]
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18
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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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19
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Zarrabi N, Hayward JJ, Clegg W, Pilkington M. Saddling up copper – new twists on a metallo-wheel. Dalton Trans 2014; 43:2352-5. [DOI: 10.1039/c3dt53267d] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
An octanuclear copper(ii) cluster assembled from a large, flexible polydentate ligand reveals an unusual saddle-shaped structural topology.
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Affiliation(s)
- Niloofar Zarrabi
- Department of Chemistry
- Brock University
- St Catharines, L2S 3A1 Canada
| | - John J. Hayward
- Department of Chemistry
- Brock University
- St Catharines, L2S 3A1 Canada
| | - William Clegg
- School of Chemistry
- Bedson Building
- Newcastle University
- Newcastle upon Tyne, UK
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Maronna A, Hübner O, Enders M, Kaifer E, Himmel HJ. Bisguanidines with Biphenyl, Binaphthyl, and Bipyridyl Cores: Proton-Sponge Properties and Coordination Chemistry. Chemistry 2013; 19:8958-77. [DOI: 10.1002/chem.201204294] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 03/12/2013] [Indexed: 11/10/2022]
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21
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Bullock S, Hallett AJ, Harding LP, Higginson JJ, Piela SAF, Pope SJA, Rice CR. Luminescent rhenium fac-tricarbonyl-containing complexes of androgenic oxo-steroids. Dalton Trans 2013; 41:14690-6. [PMID: 23059830 DOI: 10.1039/c2dt31476b] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A new route to luminescent derivatives of androgenic steroids containing a ketone group in the 3- or 17-position has been developed. Reaction with the fac-Re(CO)(3)Cl complex of 3,3'-diamino-2,2'-bipyridine (complex 1) afforded a cyclic aminal product with different steroids. The rate of reaction and yield varies according to the conjugation or steric hindrance around the ketone group.
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Affiliation(s)
- Sam Bullock
- Department of Chemical & Biological Sciences, University of Huddersfield, Queensgate, Huddersfield, West Yorks, UK
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22
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Zhao H, Yue Y, Li H, Sheng Z, Yang Z, Meng W. Asymmetric Synthesis of Novel Axially Chiral 2,2′-BipyridineN,N′-Dioxides Bearingα-Amino Acid Residues and Their Applications in Enantioselective Allylation of Aromatic Aldehydes with Allyltrichlorosilane. CHINESE J CHEM 2013. [DOI: 10.1002/cjoc.201300090] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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23
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Guillo P, Hamelin O, Pécaut J, Ménage S. Complexation to [Ru(bpy)2]2+: the trick to functionalize 3,3′-disubstituted-2,2′-bipyridine. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.11.089] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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24
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Han S, Liu XY, Cai ZF, Wu ZP, Yin WT, Xie XD, Zhou JR, Yang LM, Ni CL. An unexpected coordination polymer containing one-dimensional chlorine-bridged copper(II) magnetic chain induced by organic cation: Synthesis, crystal structure and magnetic properties. INORG CHEM COMMUN 2012. [DOI: 10.1016/j.inoche.2012.08.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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25
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Sutton CE, Harding LP, Hardie M, Riis-Johannessen T, Rice CR. Allosteric Effects in a Ditopic Ligand Containing Bipyridine and Tetra-aza-crown Donor Units. Chemistry 2012; 18:3464-7. [DOI: 10.1002/chem.201103217] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2011] [Indexed: 11/10/2022]
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26
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Han S, Cai ZF, Xiong YH, Huang Q, Zheng Y, Zhou JR, Liu XP, Yang LM, Ni CL. Syntheses, crystal structures, weak interactions and magnetic properties of two salts with tetrachlorocuprate(II) and substituted benzylpyridinium. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.10.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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27
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Han S, Liang LB, Chen WQ, Liu JF, Zhou JR, Yang LM, Ni CL. Synthesis, crystal structure, and magnetic properties of a salt containing [Cu2Cl7]3− and 4-nitrobenzyl-4′-dimethylaminopyridinium. J COORD CHEM 2011. [DOI: 10.1080/00958972.2011.637168] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Song Han
- a Department of Applied Chemistry , Institute of Biomaterial, College of Science, South China Agricultural University , 510642 Guangzhou , P.R. China
| | - Li-Bo Liang
- a Department of Applied Chemistry , Institute of Biomaterial, College of Science, South China Agricultural University , 510642 Guangzhou , P.R. China
| | - Wei-Qiang Chen
- a Department of Applied Chemistry , Institute of Biomaterial, College of Science, South China Agricultural University , 510642 Guangzhou , P.R. China
| | - Jin-Fang Liu
- a Department of Applied Chemistry , Institute of Biomaterial, College of Science, South China Agricultural University , 510642 Guangzhou , P.R. China
| | - Jia-Rong Zhou
- a Department of Applied Chemistry , Institute of Biomaterial, College of Science, South China Agricultural University , 510642 Guangzhou , P.R. China
| | - Le-Min Yang
- a Department of Applied Chemistry , Institute of Biomaterial, College of Science, South China Agricultural University , 510642 Guangzhou , P.R. China
| | - Chun-Lin Ni
- a Department of Applied Chemistry , Institute of Biomaterial, College of Science, South China Agricultural University , 510642 Guangzhou , P.R. China
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28
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Chisholm DM, McDonald R, McIndoe JS. 3,3′- N, N′-Bis(amino)-2,2′-bipyridine — An unusually methylation-resistant amine. CAN J CHEM 2011. [DOI: 10.1139/v11-066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Methylation of aromatic amino groups is usually straightforward, but the formation of two intramolecular hydrogen bonds in 3,3′-N,N′-bis(amino)-2,2′-bipyridine and (or) the potential for ring methylation prevents the clean tetramethylation of this molecule. Numerous attempts to make 3,3′-N,N′-bis(dimethylamino)-2,2′-bipyridine produced only complex mixtures of variously methylated products, and the only isolated molecule was 3,3′-N,N′-bis(methylamino)-2,2′-bipyridine, for which an X-ray crystal structure was obtained.
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Affiliation(s)
- Danielle M. Chisholm
- Department of Chemistry, University of Victoria, P.O. Box 3065, Victoria, BC V8W 3V6, Canada
| | - Robert McDonald
- X-ray Crystallography Laboratory, Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - J. Scott McIndoe
- Department of Chemistry, University of Victoria, P.O. Box 3065, Victoria, BC V8W 3V6, Canada
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29
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Danila I, Riobé F, Piron F, Puigmartí-Luis J, Wallis JD, Linares M, Ågren H, Beljonne D, Amabilino DB, Avarvari N. Hierarchical Chiral Expression from the Nano- to Mesoscale in Synthetic Supramolecular Helical Fibers of a Nonamphiphilic C3-Symmetrical π-Functional Molecule. J Am Chem Soc 2011; 133:8344-53. [DOI: 10.1021/ja202211k] [Citation(s) in RCA: 141] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ion Danila
- Université d'Angers, CNRS, Laboratoire MOLTECH-Anjou, UMR 6200, UFR Sciences, Bât. K, 2 Bd. Lavoisier, 49045 Angers, France
| | - François Riobé
- Université d'Angers, CNRS, Laboratoire MOLTECH-Anjou, UMR 6200, UFR Sciences, Bât. K, 2 Bd. Lavoisier, 49045 Angers, France
- Institut de Ciència de Materials de Barcelona (CSIC), Campus Universitari de Bellaterra, 08193 Cerdanyola del Vallès, Catalonia, Spain
| | - Flavia Piron
- Université d'Angers, CNRS, Laboratoire MOLTECH-Anjou, UMR 6200, UFR Sciences, Bât. K, 2 Bd. Lavoisier, 49045 Angers, France
| | - Josep Puigmartí-Luis
- Institut de Ciència de Materials de Barcelona (CSIC), Campus Universitari de Bellaterra, 08193 Cerdanyola del Vallès, Catalonia, Spain
| | - John D. Wallis
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham, NG11 8NS, United Kingdom
| | - Mathieu Linares
- Laboratory of Theoretical Chemistry, Royal Institute of Technology, SE-106 91 Stockholm, Sweden
| | - Hans Ågren
- Laboratory of Theoretical Chemistry, Royal Institute of Technology, SE-106 91 Stockholm, Sweden
| | - David Beljonne
- Laboratory for Chemistry of Novel Materials, Université de Mons, Place du Parc 20, 7000 Mons, Belgium
| | - David B. Amabilino
- Institut de Ciència de Materials de Barcelona (CSIC), Campus Universitari de Bellaterra, 08193 Cerdanyola del Vallès, Catalonia, Spain
| | - Narcis Avarvari
- Université d'Angers, CNRS, Laboratoire MOLTECH-Anjou, UMR 6200, UFR Sciences, Bât. K, 2 Bd. Lavoisier, 49045 Angers, France
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30
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Lu N, Tu WH, Wu ZW, Wen YS, Liu LK. 4,4′-Bis(2,2,2-trifluoroethoxymethyl)-2,2′-bipyridine. Acta Crystallogr C 2010; 66:o289-91. [DOI: 10.1107/s0108270110014356] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2010] [Accepted: 04/19/2010] [Indexed: 11/11/2022] Open
Affiliation(s)
- Norman Lu
- Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei 106, Taiwan.
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31
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Brooks AC, Day P, Dias SIG, Rabaça S, Santos IC, Henriques RT, Wallis JD, Almeida M. Pyridine-Functionalised (Vinylenedithio)tetrathiafulvalene (VDT-TTF) Derivatives and Their Dithiolene Analogues. Eur J Inorg Chem 2009. [DOI: 10.1002/ejic.200900278] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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32
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Hong M, Zhang K, Li YZ, Zhu J. Synthesis and structural characterization of copper(II), cadmium(II) and zinc(II) complexes with 4,5-diazaspirobifluorene and bis-9-biphenyl-4,5-diazafluorenyl peroxide. Polyhedron 2009. [DOI: 10.1016/j.poly.2008.11.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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33
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Danila I, Riobé F, Puigmartí-Luis J, Pérez del Pino Á, Wallis JD, Amabilino DB, Avarvari N. Supramolecular electroactive organogel and conducting nanofibers with C3-symmetrical architectures. ACTA ACUST UNITED AC 2009. [DOI: 10.1039/b822884a] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Clayton HJ, Harding LP, Irvine JP, Jeffery JC, Riis-Johannessen T, Laws AP, Rice CR, Whitehead M. Metal-specific allosteric activation and deactivation of a diamine. Chem Commun (Camb) 2008:108-10. [PMID: 18399416 DOI: 10.1039/b714256k] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Hayley J Clayton
- Department of Chemical and Biological Sciences, University of Huddersfield, Huddersfield, UK
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35
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Wang J, Djukic B, Cao J, Alberola A, Razavi FS, Pilkington M. A Novel Bis Tridentate Bipyridine Carboxamide Ligand and Its Complexation to Copper(II): Synthesis, Structure, and Magnetism. Inorg Chem 2007; 46:8560-8. [PMID: 17854169 DOI: 10.1021/ic700469v] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new bis tridentate ligand 2,2'-bipyridine-3,3'-[2-pyridinecarboxamide] H(2)L(1) which can bind transition metal ions has been synthesized via the condensation of 3,3'-diamino-2,2'-bipyridine together with 2-pyridine carbonyl chloride. Two copper(II) coordination compounds have been prepared and characterized: [Cu(2)(L(1))(hfac)(2)].3CH(3)CN.H(2)O (1) and [Cu(2)(L(1))Cl(2)].CH(3)CN (2). The single-crystal X-ray structures reveal that complex 1 crystallizes in the triclinic space group P1, with the unit cell parameters a = 12.7185(6) A, b = 17.3792(9) A, c = 19.4696(8) A, alpha = 110.827(2) degrees, beta = 99.890(3) degrees, gamma = 97.966(3) degrees, V = 3868.3(3) A3, Z = 4, R = 0.0321 and R(w) = 0.0826. Complex 2 crystallizes in the monoclinic space group P2(1)/n with the unit cell parameters a = 12.8622(12) A, b = 9.6100(10) A, c = 19.897(2) A, beta = 102.027(3) degrees, V = 2405.3(4) A(3), Z = 4, R = 0.0409 and R(w) = 0.1005. In both complexes the ligand is in the dianionic form and coordinates the divalent Cu(II) ions via one amido and two pyridine nitrogen donor atoms. In 1, the coordination geometry around both Cu(II) ions is best described as distorted trigonal bipyramidal where the remaining two coordination sites are satisfied by hexafluoroacetylacetonate counterions. In 2 both Cu(II )ions adopt a (4 + 1) distorted square pyramidal geometry. One copper forms a longer apical bond to an adjacent carbonyl oxygen atom, whereas the second copper is chelated to a neighboring Cu-Cl chloride ion to afford a mu-Cl-bridged dimerized [Cu(2)(L(1))Cl(2)](2) complex. The magnetic susceptibility data for 1 (2 -270 K), reveal the occurrence of weak antiferromagnetic interactions between the Cu(II) ions. In contrast, variable-temperature magnetic susceptibility measurements for 2 reveal more complex magnetic properties, with the presence of a weak antiferromagnetic exchange (J = -10.1 K) between the copper ions in each dinuclear copper complex and a stronger ferromagnetic exchange interaction (J = 32.9 K) between the Cu(II) ions of the Cu(mu-Cl)(2)Cu dimeric bridging units.
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Affiliation(s)
- Jian Wang
- Department of Chemistry, Brock University, 500 Glenridge Avenue, St. Catharines, Ontario, Canada L2S 3A1
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36
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Monomer, dimer, tetramer and salt: Structural variations in Zn(II) complexes of 4,4′-bipyridine-N,N′-dioxide. Polyhedron 2007. [DOI: 10.1016/j.poly.2007.01.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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37
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Andrews S, Corwin J, Landry B, Martin M, Parnass K, Suen A, Turnbull MM, Schneider RT, Landee CP, Awwadi FF. Bis(2-Amino-5-bromopyrimidinium) Tetrahalometallates: Crystal structures of (2-amino-5-bromopyrimidinium)2 MCl4 (M = Co, Zn). J COORD CHEM 2007. [DOI: 10.1080/00958970600559385] [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]
Affiliation(s)
- Sebastian Andrews
- a Carlson School of Chemistry and Biochemistry , Clark University , Worcester, MA 01610, USA
| | - Jessica Corwin
- a Carlson School of Chemistry and Biochemistry , Clark University , Worcester, MA 01610, USA
| | - Brian Landry
- a Carlson School of Chemistry and Biochemistry , Clark University , Worcester, MA 01610, USA
| | - Michaela Martin
- a Carlson School of Chemistry and Biochemistry , Clark University , Worcester, MA 01610, USA
| | - Katherine Parnass
- a Carlson School of Chemistry and Biochemistry , Clark University , Worcester, MA 01610, USA
| | - Andrew Suen
- a Carlson School of Chemistry and Biochemistry , Clark University , Worcester, MA 01610, USA
| | - Mark M. Turnbull
- a Carlson School of Chemistry and Biochemistry , Clark University , Worcester, MA 01610, USA
| | - Ryan T. Schneider
- b Department of Physics , Clark University , Worcester, MA 01610, USA
| | | | - Firas F. Awwadi
- c Department of Chemistry , Washington State University , Pullman, WA 99164, USA
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