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Kocsi D, Kovacs D, Wells JAL, Borbas KE. Reduced quenching effect of pyridine ligands in highly luminescent Ln(III) complexes: the role of tertiary amide linkers. Dalton Trans 2021; 50:16670-16677. [PMID: 34757364 DOI: 10.1039/d1dt02893f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Luminescent Eu(III) and Tb(III) complexes were synthesised from octadentate ligands carrying various carbostyril sensitizing antennae and two bidentate picolinate donors. Antennae were connected to the metal binding site via tertiary amide linkers. Antennae and donors were assembled on a 1,4,7-triazacyclononane (tacn) platform. Solution- and solid-state structures were comparable to those of previously reported complexes with tacn architectures, with nine-coordinate distorted tricapped trigonal prismatic Ln(III) centres, and distinct from those based on 1,4,7,10-tetraazacyclododecane (cyclen) macrocycles. In contrast, the photophysical properties of these tertiary amide tacn-based complexes were more comparable to those of previously reported systems with cyclen ligands, showing efficient Eu(III) and Tb(III) luminescence. This represents an improvement over secondary amide-linked analogues, and is due to a greatly increased sensitization efficiency in the tertiary amide-linked complexes. Tertiary amide-linked Eu(III) and Tb(III) emitters were more photostable than their secondary amide-linked analogues due to the suppression of photoinduced electron transfer and back energy transfer.
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Affiliation(s)
- Daniel Kocsi
- Department of Chemistry, Ångström Laboratory, Box 523, Uppsala University, 75120, Uppsala, Sweden.
| | - Daniel Kovacs
- Department of Chemistry, Ångström Laboratory, Box 523, Uppsala University, 75120, Uppsala, Sweden.
| | - Jordann A L Wells
- Department of Chemistry, Ångström Laboratory, Box 523, Uppsala University, 75120, Uppsala, Sweden.
| | - K Eszter Borbas
- Department of Chemistry, Ångström Laboratory, Box 523, Uppsala University, 75120, Uppsala, Sweden.
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2
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Rodrigues CV, Johnson KR, Lombardi VC, Rodrigues MO, Sobrinho JA, de Bettencourt-Dias A. Photocytotoxicity of Thiophene- and Bithiophene-Dipicolinato Luminescent Lanthanide Complexes. J Med Chem 2021; 64:7724-7734. [PMID: 34018753 DOI: 10.1021/acs.jmedchem.0c01805] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
New thiophene-dipicolinato-based compounds, K2nTdpa (n = 1, 2), were isolated. Their anions are sensitizers of lanthanide ion (LnIII) luminescence and singlet oxygen generation (1O2). Emission in the visible and near-infrared regions was observed for the LnIII complexes with efficiencies (ϕLn) ϕEu = 33% and ϕYb = 0.31% for 1Tdpa2- and ϕYb = 0.07% for 2Tdpa2-. The latter does not sensitize EuIII emission. Fluorescence imaging of HeLa live cells incubated with K3[Eu(1Tdpa)3] indicates that the complex permeates the cell membrane and localizes in the mitochondria. All complexes generate 1O2 in solution with efficiencies (ϕO12) as high as 13 and 23% for the GdIII complexes of 1Tdpa2- and 2Tdpa2-, respectively. [Ln(nTdpa)3]3- (n = 1, 2) are phototoxic to HeLa cells when irradiated with UV light with IC50 values as low as 4.2 μM for [Gd(2Tdpa)3]3- and 91.8 μM for [Eu(1Tdpa)3]3-. Flow cytometric analyses indicate both apoptotic and necrotic cell death pathways.
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Affiliation(s)
- Carime V Rodrigues
- Department of Chemistry, University of Nevada, Reno, Reno, Nevada 89557, United States.,Laboratório de Inorgânica e Materiais, Instituto de Química, Universidade de Brasília, Campus Universitário Darcy Ribeiro, Brasilia 70910-900 DF, Brazil
| | - Katherine R Johnson
- Department of Chemistry, University of Nevada, Reno, Reno, Nevada 89557, United States
| | - Vincent C Lombardi
- Department of Microbiology and Immunology, University of Nevada, Reno, Reno, Nevada 89557, United States
| | - Marcelo O Rodrigues
- Laboratório de Inorgânica e Materiais, Instituto de Química, Universidade de Brasília, Campus Universitário Darcy Ribeiro, Brasilia 70910-900 DF, Brazil
| | - Josiane A Sobrinho
- Department of Chemistry, University of Nevada, Reno, Reno, Nevada 89557, United States
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3
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Kovacs D, Kocsi D, Wells JAL, Kiraev SR, Borbas KE. Electron transfer pathways in photoexcited lanthanide(iii) complexes of picolinate ligands. Dalton Trans 2021; 50:4244-4254. [PMID: 33688904 DOI: 10.1039/d1dt00616a] [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
A series of luminescent lanthanide(iii) complexes consisting of 1,4,7-triazacyclononane frameworks and three secondary amide-linked carbostyril antennae were synthesised. The metal binding sites were augmented with two pyridylcarboxylate donors yielding octadentate ligands. The antennae carried methyl, methoxymethyl or trifluoromethyl substituents in their 4-positions, allowing for a range of excited state energies and antenna electronic properties. The 1H NMR spectra of the Eu(iii) complexes were found to be analogous to each other. Similar results were obtained in the solid-state by single-crystal X-ray crystallography, which showed the structures to have nine-coordinate metal ions with heavily distorted tricapped trigonal prismatic geometries. Steady-state and time-resolved luminescence spectroscopy showed that the antennae could sensitize both Tb(iii) and Eu(iii), however, quantum yields were lower than in other octadentate complexes lacking pyridylcarboxylate. Complexes with more electron-poor pyridines were less emissive even when equipped with the same antenna. The oxidation and reduction potentials of the antennae and the pyridinecarboxylates, respectively, were determined by cyclic voltammetry. The obtained values were consistent with electron transfer from the excited antenna to the pyridine providing a previously unexplored quenching pathway that could efficiently compete with energy transfer to the lanthanide. These results show the crucial impact that photophysically innocent ligand binding sites can have on lanthanide luminescence.
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Affiliation(s)
- Daniel Kovacs
- Department of Chemistry, Ångström Laboratory, Box 523, Uppsala University, 75120, Uppsala, Sweden.
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4
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Azido- and amino-substituted dipicolinates for the sensitization of the luminescent lanthanides EuIII and TbIII. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.120003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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5
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de Bettencourt-Dias A, Rossini JSK, Sobrinho JA. Effect of the aromatic substituent on the para-position of pyridine-bis(oxazoline) sensitizers on the emission efficiency of their Eu III and Tb III complexes. Dalton Trans 2020; 49:17699-17708. [PMID: 33237048 DOI: 10.1039/d0dt03135f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Two efficient lanthanide ion sensitizers 2,6-bis(oxazoline)-4-phenyl-pyridine (PyboxPh, 1) and 2,6-bis(oxazoline)-4-thiophen-2-yl-pyridine (Pybox2Th, 2) were synthesized. 1 crystallizes in the monoclinic space group P21/c with cell parameters a = 16.3794(4) Å, b = 7.2856(2) Å, c = 11.7073(3) Å, β = 97.229(1)° and V = 1385.97(6) Å3. 2 crystallizes in the monoclinic space group P21/n with cell parameters a = 5.9472(2), b = 16.0747(6), c = 14.3716(5) Å, β = 93.503(1)° and V = 1371.35(8) Å3. Photophysical characterization of 1 shows that its triplet state energy is located at 22 250 cm-1 and efficient energy transfer is observed for EuIII and TbIII. Solutions of [Ln(PyboxPh)3]3+ in dichloromethane display an emission efficiency of 37.2% for Ln[double bond, length as m-dash]Eu and 24.0% for Ln[double bond, length as m-dash]Tb. The excited state lifetimes for EuIII and TbIII are 2.227 ms and 723 μs, respectively. The triplet state energy of 2 is located at 19 280 cm-1 and is therefore too low to efficiently sensitize TbIII emission. However, the sensitization of EuIII is effective, with an emission quantum yield of 14.5% and an excited state lifetime of 714 μs. This shows that the derivatization of the chelator is strongly influenced by the aromatic substituents on the para-position of the pyridine ring. New isostructural 1 : 1 complexes of PyboxPh with EuIII (3) and TbIII (4) were also isolated and crystallize in the triclinic space group P1[combining macron] with cell parameters a = 9.1845(2) Å, b = 10.3327(2) Å, c = 11.9654(2) Å, α = 98.419(1)°, β = 108.109(1)°, γ = 91.791(1)°, V = 1064.08(4) Å3 and a = 7.8052(1) Å, b = 11.8910(1) Å, c = 14.2668(2) Å, α = 72.557(1)°, β = 86.355(1)°, γ = 77.223(1)°, V = 1231.95(3) Å3, respectively.
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6
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An S, Tang G, Zhong Y, Ma L, Liu Q. Novel π-expanded chrysene-based axially chiral molecules: 1,1′-bichrysene-2,2′-diols and thiophene analogs. JOURNAL OF CHEMICAL RESEARCH 2020. [DOI: 10.1177/1747519820914837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
1,1′-Bichrysene-2,2′-diol and its thiophene analogs, 6,6′-biphenanthro-[1,2- b]thiophene-7,7′-diols, as a series of novel π-expanded chrysene-/phenanthro[1,2- b]thiophene-based axially chiral molecules are synthesized from 1,1′-bi-2-naphthols with key steps including a Suzuki coupling, a Wittig reaction, and acid-mediated cyclization.
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Affiliation(s)
- Shujie An
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, P.R. China
| | - Guofeng Tang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, P.R. China
| | - Yaling Zhong
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, P.R. China
| | - Li Ma
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, P.R. China
| | - Qiancai Liu
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, P.R. China
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7
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de Bettencourt-Dias A, Beeler RM, Zimmerman JR. Secondary-Sphere Chlorolanthanide(III) Complexes with a 1,3,5-Triazine-Based Ligand Supported by Anion-π, π-π, and Hydrogen-Bonding Interactions. Inorg Chem 2020; 59:151-160. [PMID: 31509390 DOI: 10.1021/acs.inorgchem.9b01804] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
2,4,6-Dipicolylamine-functionalized 1,3,5-triazine (dpat) was isolated. When reacted with LaCl3, compound [(LaCl6)(H3dpat)][H2O]2 (1) formed, which crystallized in the monoclinic P21/n space group with parameters a = 11.47 Å, b = 19.22 Å, c = 20.98 Å, V = 4652.02 Å, and β = 90.53°. When reacted with NdCl3, the complex [NdCl3(H2O)4(H3dpat)][Cl]3(MeOH)2 (2) crystallized in the monoclinic P21/n space group with unit cell parameters a = 20.05 Å, b = 12.81 Å, c = 20.64 Å, V = 5004.40 Å, and β = 110.20°. In both cases, the dpat ligand forms a bowl-shaped cavity that partially envelops the LnIII-containing central unit, which is anionic in 1 and neutral in 2. The formation of these outer-sphere complexes is supported by secondary interactions, including π-π stacking, hydrogen bonding, and anion-π between the chlorolanthanide(III) fragment and the electron-deficient 1,3,5-triazine ring. Evidence of protonation of the pyridine rings in dpat was substantiated through the isolation of [H2dpat][Cl]2 (3). This compound crystallized in the monoclinic C2/c space group with parameters a = 11.93 Å, b = 20.22 Å, c = 15.28 Å, V = 3664.97 Å, and β = 94.35°. Four pyridine rings are pairwise protonated in 3. dpat showed a moderate ability to extract LaIII from an aqueous to an organic phase, indicating its potential, through judicious manipulation of secondary-sphere interactions, as the starting point for efficient extractants for LnIII ions.
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Affiliation(s)
| | - Rose M Beeler
- Department of Chemistry , University of Nevada , Reno , Nevada 89557-0216 , United States
| | - Joshua R Zimmerman
- Department of Chemistry , University of Nevada , Reno , Nevada 89557-0216 , United States
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8
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Johnson KR, Vittardi SB, Gracia-Nava MA, Rack JJ, de Bettencourt-Dias A. Luminescent lanthanide complexes with a pyridine-bis(carboxamide)-bithiophene sensitizer showing wavelength-dependent singlet oxygen generation. Dalton Trans 2020; 49:6661-6667. [DOI: 10.1039/d0dt01034k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A new pyridine-bis(carboxamide)-based ligand with a bithiophene pendant, 2Tcbx, was synthesized.
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Affiliation(s)
| | | | | | - Jeffrey J. Rack
- Department of Chemistry and Chemical Biology
- University of New Mexico
- Albuquerque
- USA
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9
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de Bettencourt-Dias A, Beeler RM, Zimmerman JR. Anion-π and H-Bonding Interactions Supporting Encapsulation of [Ln(NO3)6/5]3–/2– (Ln = Nd, Er) with a Triazine-Based Ligand. J Am Chem Soc 2019; 141:15102-15110. [DOI: 10.1021/jacs.9b05566] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Rose M. Beeler
- Department of Chemistry, University of Nevada, Reno, Nevada 89557-0216, United States
| | - Joshua R. Zimmerman
- Department of Chemistry, University of Nevada, Reno, Nevada 89557-0216, United States
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10
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Johnson KR, de Bettencourt-Dias A. 1O2 Generating Luminescent Lanthanide Complexes with 1,8-Naphthalimide-Based Sensitizers. Inorg Chem 2019; 58:13471-13480. [DOI: 10.1021/acs.inorgchem.9b02431] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Katherine R. Johnson
- Department of Chemistry, University of Nevada, Reno, Nevada 89557, United States
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11
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Highly Photoactive Polythiophenes Obtained by Electrochemical Synthesis from Bipyridine-Containing Terthiophenes. ENERGIES 2019. [DOI: 10.3390/en12030341] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
According to numerous previous reports, a Z-scheme with two photon absorbers is the most promising strategy to achieve artificial photosynthesis, but in addition to two efficient catalysts — one for oxygen evolution, the other for CO2 reduction — two different and complementary semiconducting sensitizers are required. Here we present the synthesis of two bipyridine-functionalized terthiophenes, which can be electropolymerized to give photoactive p-type semiconductors the capability to perform as photocathode in photoelectrochemical cells for water photosplitting or artificial photosynthesis. Indeed the bipyridine moiety in their structure allows the binding of transition metal carbonyl complexes employed in CO2 reduction, and their band-gap is suitable for the coupling with wide band-gap semiconductors, which have already found application as photoanodes. Finally, they are characterized by photogenerated charge carrier density between 1.1 and 1.4 × 1019 cm−3, with first-order recombination constant of 0.7–1.8 × 10−2 s−1. These figures are of the same order of magnitude of their inorganic counterparts and would therefore guarantee photoconductivity of the device and the activation of the organometallic catalysts with which they should be coupled to function as photocathodes for CO2 reduction.
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12
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Su QQ, Fan K, Jin XX, Huang XD, Cheng SC, Luo LJ, Li YJ, Xiang J, Ko CC, Zheng LM, Lau TC. Syntheses, crystal structures and magnetic properties of a series of luminescent lanthanide complexes containing neutral tetradentate phenanthroline-amide ligands. Inorg Chem Front 2019. [DOI: 10.1039/c9qi00238c] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Six lanthanide compounds have been prepared from a neutral tetra-dentate ligand. Their luminescent and magnetic properties were investigated in detail.
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13
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Kimura A, Ishida T. Spin-Crossover Temperature Predictable from DFT Calculation for Iron(II) Complexes with 4-Substituted Pybox and Related Heteroaromatic Ligands. ACS OMEGA 2018; 3:6737-6747. [PMID: 31458846 PMCID: PMC6644749 DOI: 10.1021/acsomega.8b01095] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 06/08/2018] [Indexed: 06/10/2023]
Abstract
Spin-crossover (SCO) is a reversible transition between low and high spin states by external stimuli such as heat. The SCO behavior and transition temperature (T 1/2) of a series of [FeII(X-pybox)2](ClO4)2 were studied to establish a methodology for ligand-field engineering, where X-pybox stands for 2,6-bis(oxazolin-2-yl)pyridine substituted with X at the 4-position of the pyridine ring. We utilized X = MeO, Me, 3-thienyl, Ph, H, MeS, 2-thienyl, N3, Cl, Br, 3-pyridyl, and 4-pyridyl. The solution susceptometry on five new derivatives with X = Me, 2-thienyl, N3, Br, and 3-pyridyl was performed in acetone, giving the SCO temperatures of 220, 260, 215, 280, and 270 K, respectively. The density-functional-theory molecular orbital (MO) calculation was performed on the ligands with geometry optimization. The atomic charge on the pyridine nitrogen atom [ρ(Npy)] was extracted from the natural orbital population analysis. Positive correlation appeared in the T 1/2 versus ρ(Npy) plot with R 2 = 0.734, being consistent with the analysis using the Hammett substituent constants (σp and σp +). This finding well agrees with the mechanism proposed: the rich electron density lifts the t2g energy level through the dπ-pπ interaction, resulting in a narrow t2g-eg energy gap and favoring the high-spin state and low T 1/2. The MO method was successfully applied to the known SCO-active iron(II) compounds involving 4-substituted 2,6-bis(pyrazol-1-yl)pyridines. A distinct positive correlation appeared in the T 1/2 versus ρ(Npy) plot. The comparison of correlation coefficients indicates that ρ(Npy) is a more reliable parameter than σp or σp + to predict a shift of T 1/2. Furthermore, this method can be more generalized by application to another known SCO family having 3-azinyl-4-p-tolyl-5-phenyl-1,2,4-triazole ligand series, where azinyl stands for a 2-azaaromatic ring. A good linear correlation was found in the T 1/2 versus ρ(NA) plot (NA is the ligating nitrogen atom in the azaaromatic ring). Finally, we will state a reason why the present treatment is competent to predict the SCO equilibrium position only by consideration on the electronic perturbation.
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Wei C, Sun B, Cai Z, Zhao Z, Tan Y, Yan W, Wei H, Liu Z, Bian Z, Huang C. Quantum Yields over 80% Achieved in Luminescent Europium Complexes by Employing Diphenylphosphoryl Tridentate Ligands. Inorg Chem 2018; 57:7512-7515. [DOI: 10.1021/acs.inorgchem.8b01028] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Chen Wei
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Boxun Sun
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Zelun Cai
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Zifeng Zhao
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Yu Tan
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Weibo Yan
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Huibo Wei
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Zhiwei Liu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Zuqiang Bian
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Chunhui Huang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
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15
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Qian J, Li L, Gu W, Peng JW, Qiao WW, Sun MM. Syntheses, Structures, and Photoluminescence of Lanthanide Coordination Polymers Based on 4-Oxo-1,4-dihydro-2,6-pyridinedicarboxylic acid. Z Anorg Allg Chem 2018. [DOI: 10.1002/zaac.201700385] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jing Qian
- College of Chemistry; Tianjin Normal University; Tianjin P. R. China
| | - Lei Li
- College of Chemistry; Tianjin Normal University; Tianjin P. R. China
| | - Wen Gu
- College of Chemistry; Nankai University; Tianjin P. R. China
| | - Jing-Wei Peng
- College of Chemistry; Tianjin Normal University; Tianjin P. R. China
| | - Wei-Wei Qiao
- College of Chemistry; Tianjin Normal University; Tianjin P. R. China
| | - Mei-Mei Sun
- College of Chemistry; Tianjin Normal University; Tianjin P. R. China
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16
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Bing TY, Kawai T, Yuasa J. Ligand-to-Ligand Interactions That Direct Formation of D 2-Symmetrical Alternating Circular Helicate. J Am Chem Soc 2018; 140:3683-3689. [PMID: 29433303 DOI: 10.1021/jacs.7b12663] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
This work demonstrates that ligand-to-ligand interactions between achiral bis-β-diketonate (BTP) and chiral bis(4-phenyl-2-oxazolinyl)pyridine [( R)- or ( S)-Ph-Pybox] are successfully directed to the fabrication of a D2-symmetrical alternating circular helicate with the general formula [( R)- or ( S)-Ph-Pybox]4(LnIII)4(BTP)6. The lanthanide(III) LnIII assemblies (LnIII4- RRRR and LnIII4- SSSS) have a nanometer-size squarelike grid (interatomic distances > 10 Å). X-ray structure analysis revealed that the circular helicate contains two double helicate LnIII2L2 units, where both show ( M)-helicity for LnIII4- RRRR and ( P)-helicity for LnIII4- SSSS, where π-π stacking interaction is present between the side arm of ( R)-Ph-Pybox (Ph1) and the adjacent BTP ligand around the EuIII metal center ( dππ = 3.636 Å: the diketonate plane···Ph1 distance). The newly obtained circular lanthanide(III) helicate exists as single and homochiral diastereomers in solution (LnIII4- RRRR and LnIII4- SSSS), exhibiting circularly dichroism (CD) and circularly polarized luminescence (CPL). Conversely, the circular helicate favors the heterochiral arrangement (i.e., LnIII4- RRRR/LnIII4- SSSS).
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Affiliation(s)
- Tan Yan Bing
- Graduate School of Materials Science , Nara Institute of Science and Technology , 8916-5 Takayama , Ikoma , Nara 630-0192 , Japan
| | - Tsuyoshi Kawai
- Graduate School of Materials Science , Nara Institute of Science and Technology , 8916-5 Takayama , Ikoma , Nara 630-0192 , Japan
| | - Junpei Yuasa
- Department of Applied Chemistry, Faculty of Science , Tokyo University of Science , 1-3 Kagurazaka , Shinjuku-ku , Tokyo 162-8601 , Japan.,Precursory Research for Embryonic Science and Technology (PRESTO) , Science and Technology Agency (JST) , 4-1-8 Honcho , Kawaguchi , Saitama 332-0012 , Japan
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17
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Espinosa M, Blay G, Cardona L, Fernández I, Muñoz MC, Pedro JR. Lanthanum-pyBOX complexes as catalysts for the enantioselective conjugate addition of malonate esters to β,γ-unsaturated α-ketimino esters. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1437422] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Miguel Espinosa
- Facultat de Química, Department de Química Orgànica, Universitat de València, Burjassot, Spain
| | - Gonzalo Blay
- Facultat de Química, Department de Química Orgànica, Universitat de València, Burjassot, Spain
| | - Luz Cardona
- Facultat de Química, Department de Química Orgànica, Universitat de València, Burjassot, Spain
| | - Isabel Fernández
- Facultat de Química, Department de Química Orgànica, Universitat de València, Burjassot, Spain
| | - M. Carmen Muñoz
- Departament de Física Aplicada, Universitat Politècnica de València, València, Spain
| | - Jose R. Pedro
- Facultat de Química, Department de Química Orgànica, Universitat de València, Burjassot, Spain
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18
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Dammann W, Buban T, Schiller C, Burger P. Dinuclear tethered pyridine, diimine complexes. Dalton Trans 2018; 47:12105-12117. [DOI: 10.1039/c8dt02347f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthesis and structures of aryl tethered pyridine, diimine complexes.
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Affiliation(s)
- Wiebke Dammann
- Institut für Anorganische und Angewandte Chemie
- Fachbereich Chemie
- Universität Hamburg
- 20146 Hamburg
- Germany
| | - Tabea Buban
- Institut für Anorganische und Angewandte Chemie
- Fachbereich Chemie
- Universität Hamburg
- 20146 Hamburg
- Germany
| | - Carl Schiller
- Institut für Anorganische und Angewandte Chemie
- Fachbereich Chemie
- Universität Hamburg
- 20146 Hamburg
- Germany
| | - Peter Burger
- Institut für Anorganische und Angewandte Chemie
- Fachbereich Chemie
- Universität Hamburg
- 20146 Hamburg
- Germany
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19
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Nishimura H, Tanaka K, Morisaki Y, Chujo Y, Wakamiya A, Murata Y. Oxygen-Bridged Diphenylnaphthylamine as a Scaffold for Full-Color Circularly Polarized Luminescent Materials. J Org Chem 2017; 82:5242-5249. [DOI: 10.1021/acs.joc.7b00511] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hidetaka Nishimura
- Institute
for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Kazuo Tanaka
- Department
of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Yasuhiro Morisaki
- Department
of Applied Chemistry for Environment, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
| | - Yoshiki Chujo
- Department
of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Atsushi Wakamiya
- Institute
for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Yasujiro Murata
- Institute
for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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20
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Scrivanti A, Bortoluzzi M, Sole R, Beghetto V. Synthesis and characterization of yttrium, europium, terbium and dysprosium complexes containing a novel type of triazolyl–oxazoline ligand. CHEMICAL PAPERS 2017. [DOI: 10.1007/s11696-017-0174-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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21
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Kovacs D, Lu X, Mészáros LS, Ott M, Andres J, Borbas KE. Photophysics of Coumarin and Carbostyril-Sensitized Luminescent Lanthanide Complexes: Implications for Complex Design in Multiplex Detection. J Am Chem Soc 2017; 139:5756-5767. [PMID: 28388066 DOI: 10.1021/jacs.6b11274] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Luminescent lanthanide (Ln(III)) complexes with coumarin or carbostyril antennae were synthesized and their photophysical properties evaluated using steady-state and time-resolved UV-vis spectroscopy. Ligands bearing distant hydroxycoumarin-derived antennae attached through triazole linkers were modest sensitizers for Eu(III) and Tb(III), whereas ligands with 7-amidocarbostyrils directly linked to the coordination site could reach good quantum yields for multiple Ln(III), including the visible emitters Sm(III) and Dy(III), and the near-infrared emitters Nd(III) and Yb(III). The highest lanthanide-centered luminescence quantum yields were 35% (Tb), 7.9% (Eu), 0.67% (Dy), and 0.18% (Sm). Antennae providing similar luminescence intensities with 2-4 Ln-emitters were identified. Photoredox quenching of the carbostyril antenna excited states was observed for all Eu(III)-complexes and should be sensitizing in the case of Yb(III); the scope of the process extends to Ln(III) for which it has not been seen previously, specifically Dy(III) and Sm(III). The proposed process is supported by photophysical and electrochemical data. A FRET-type mechanism was identified in architectures with both distant and close antennae for all of the Lns. This mechanism seems to be the only sensitizing one at long distance and probably contributes to the sensitization at shorter distances along with the triplet pathway. The complexes were nontoxic to either bacterial or mammalian cells. Complexes of an ester-functionalized ligand were taken up by bacteria in a concentration-dependent manner. Our results suggest that the effects of FRET and photoredox quenching should be taken into consideration when designing luminescent Ln complexes. These results also establish these Ln(III)-complexes for multiplex detection beyond the available two-color systems.
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Affiliation(s)
- Daniel Kovacs
- Department of Chemistry, Ångström Laboratory, Box 523, Uppsala University , Uppsala 75120, Sweden
| | - Xi Lu
- Department of Engineering Sciences, Ångström Laboratory, Box 534, Uppsala University , Uppsala 75121, Sweden
| | - Lívia S Mészáros
- Department of Chemistry, Ångström Laboratory, Box 523, Uppsala University , Uppsala 75120, Sweden
| | - Marjam Ott
- Department of Engineering Sciences, Ångström Laboratory, Box 534, Uppsala University , Uppsala 75121, Sweden
| | - Julien Andres
- Department of Chemistry, Ångström Laboratory, Box 523, Uppsala University , Uppsala 75120, Sweden
| | - K Eszter Borbas
- Department of Chemistry, Ångström Laboratory, Box 523, Uppsala University , Uppsala 75120, Sweden
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22
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Yang W, Monteiro JH, de Bettencourt-Dias A, Chalifoux WA. New thiophene-functionalized pyrene, peropyrene, and teropyrene via a two- or four-fold alkyne annulation and their photophysical properties. CAN J CHEM 2017. [DOI: 10.1139/cjc-2016-0466] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
We synthesized thiophene-functionalized pyrene, peropyrene, and teropyrene through a two- or four-fold alkyne annulation reaction promoted by triflic acid. All of the target compounds were fully characterized spectroscopically, and the structure of the peropyrene analogue was unambiguously confirmed by X-ray crystallography. A significant red shift in the absorption and emission properties as a function of extended conjugation was observed by UV–vis and fluorescence spectroscopy. This alkyne annulation strategy is a useful method for the conversion of smaller polycyclic aromatics to larger ones, such as nanographenes.
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Affiliation(s)
- Wenlong Yang
- Department of Chemistry, University of Nevada, Reno, 1664 N. Virginia St., Reno, NV 89557, USA
- Department of Chemistry, University of Nevada, Reno, 1664 N. Virginia St., Reno, NV 89557, USA
| | - Jorge H.S.K. Monteiro
- Department of Chemistry, University of Nevada, Reno, 1664 N. Virginia St., Reno, NV 89557, USA
- Department of Chemistry, University of Nevada, Reno, 1664 N. Virginia St., Reno, NV 89557, USA
| | - Ana de Bettencourt-Dias
- Department of Chemistry, University of Nevada, Reno, 1664 N. Virginia St., Reno, NV 89557, USA
- Department of Chemistry, University of Nevada, Reno, 1664 N. Virginia St., Reno, NV 89557, USA
| | - Wesley A. Chalifoux
- Department of Chemistry, University of Nevada, Reno, 1664 N. Virginia St., Reno, NV 89557, USA
- Department of Chemistry, University of Nevada, Reno, 1664 N. Virginia St., Reno, NV 89557, USA
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23
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Liu CL, Zhou LP, Tripathy D, Sun QF. Self-assembly of stable luminescent lanthanide supramolecular M4L6 cages with sensing properties toward nitroaromatics. Chem Commun (Camb) 2017; 53:2459-2462. [DOI: 10.1039/c7cc00189d] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We report here the first example of concentration-triggered helicate-to-tetrahedron transformation in supramolecular lanthanide edifices, along with their highly efficient and selective luminescence sensing properties toward PA at the ppb level.
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Affiliation(s)
- Cui-Lian Liu
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- P. R. China
| | - Li-Peng Zhou
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- P. R. China
| | - Debakanta Tripathy
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- P. R. China
| | - Qing-Fu Sun
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- P. R. China
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24
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Hladysh S, Václavková D, Vrbata D, Bondarev D, Havlíček D, Svoboda J, Zedník J, Vohlídal J. Synthesis and characterization of metallo-supramolecular polymers from thiophene-based unimers bearing pybox ligands. RSC Adv 2017. [DOI: 10.1039/c6ra26665g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
A series of novel metallo-supramolecular polymers was prepared, based on 2,6-bis(2-oxazolinyl)pyridine chelating groups bridged with thiophene, bithiophene and thienothiophene as a linker, beginning from commercially available (chelidamic) acid.
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Affiliation(s)
- Sviatoslav Hladysh
- Department of Physical and Macromolecular Chemistry
- Faculty of Science
- Charles University in Prague
- CZ-12840 Prague 2
- Czech Republic
| | - Daniela Václavková
- Tomas Bata University in Zlín
- Faculty of Technology
- Department of Polymer Engineering
- CZ-762 72 Zlín
- Czech Republic
| | - David Vrbata
- Department of Physical and Macromolecular Chemistry
- Faculty of Science
- Charles University in Prague
- CZ-12840 Prague 2
- Czech Republic
| | - Dmitrij Bondarev
- Tomas Bata University in Zlín
- Faculty of Technology
- Department of Polymer Engineering
- CZ-762 72 Zlín
- Czech Republic
| | - David Havlíček
- Department of Inorganic Chemistry
- Faculty of Science
- Charles University in Prague
- CZ-12840 Prague 2
- Czech Republic
| | - Jan Svoboda
- Institute of Macromolecular Chemistry AS CR
- Prague 6
- Czech Republic
| | - Jiří Zedník
- Department of Physical and Macromolecular Chemistry
- Faculty of Science
- Charles University in Prague
- CZ-12840 Prague 2
- Czech Republic
| | - Jiří Vohlídal
- Department of Physical and Macromolecular Chemistry
- Faculty of Science
- Charles University in Prague
- CZ-12840 Prague 2
- Czech Republic
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25
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Batrice RJ, Ridenour JA, Ayscue III RL, Bertke JA, Knope KE. Synthesis, structure, and photoluminescent behaviour of molecular lanthanide–2-thiophenecarboxylate–2,2′:6′,2′′-terpyridine materials. CrystEngComm 2017. [DOI: 10.1039/c7ce01192j] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A lanthanide series incorporating 2-thiophenecarboxylate and terpyridine is presented. Four structure types are observed with differences in the coordination number and nuclearity of the complexes attributed to the effects of the lanthanide contraction.
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Affiliation(s)
| | | | | | | | - Karah E. Knope
- Department of Chemistry
- Georgetown University
- Washington
- USA
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26
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Di Pietro S, Gautier N, Imbert D, Pécaut J, Mazzanti M. Versatile pyridine-2,6-bis-tetrazolate scaffolds for the formation of highly luminescent lanthanide complexes. Dalton Trans 2016; 45:3429-42. [PMID: 26791092 DOI: 10.1039/c5dt04811g] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Here we report the straightforward synthesis of the ligands L(tz), L(tzC8), L(tzPEG), L(tzAnis) and L(≡Anis) presenting the same pyridine-bistetrazolate (pytz, L) chelating scaffold but different substituents on the para position of the pyridine ring. Its substitution allows the tuning of the solubility of the LnIII complexes [Ln(Li)3]3(-). These new ligands form homoleptic nona-coordinated LnIII complexes of analogous structure and comparable stability in water and methanol. The derivatization of the para position with triazole and substituted triazole groups does not lead to a significant shift of the absorption window, but a shift of 40 nm is observed in ligand L(≡Anis) due to the presence of the p-ethynyl anisole fragment. The L(tzX) series sensitize well, both the Eu and the Tb ions with quantum yields up to 98% for Tb and 43% for Eu, while the ligand L(≡Anis) sensitizes well Eu (QY of 48%) but cannot sensitize Tb due to the position of its triplet state.
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Affiliation(s)
| | - Nicholas Gautier
- Univ. Grenoble Alpes, INAC-SCIB, RICC, CEA F-38000 Grenoble, France.
| | - Daniel Imbert
- Univ. Grenoble Alpes, INAC-SCIB, RICC, CEA F-38000 Grenoble, France.
| | - Jacques Pécaut
- Univ. Grenoble Alpes, INAC-SCIB, RICC, CEA F-38000 Grenoble, France.
| | - Marinella Mazzanti
- Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland.
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27
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Barry DE, Caffrey DF, Gunnlaugsson T. Lanthanide-directed synthesis of luminescent self-assembly supramolecular structures and mechanically bonded systems from acyclic coordinating organic ligands. Chem Soc Rev 2016; 45:3244-74. [PMID: 27137947 DOI: 10.1039/c6cs00116e] [Citation(s) in RCA: 156] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Herein some examples of the use of lanthanide ions (f-metal ions) to direct the synthesis of luminescent self-assembly systems (architectures) will be discussed. This area of lanthanide supramolecular chemistry is fast growing, thanks to the unique physical (magnetic and luminescent) and coordination properties of the lanthanides, which are often transferred to the resulting supermolecule. The emphasis herein will be on systems that are luminescent, and hence, generated by using either visibly emitting ions (such as Eu(III), Tb(III) and Sm(III)) or near infrared emitting ions (like Nd(III), Yb(III) and Er(III)), formed through the use of templating chemistry, by employing structurally simple ligands, possessing oxygen and nitrogen coordinating moieties. As the lanthanides have high coordination requirements, their use often allows for the formation of coordination compounds and supramolecular systems such as bundles, grids, helicates and interlocked molecules that are not synthetically accessible through the use of other commonly used templating ions such as transition metal ions. Hence, the use of the rare-earth metal ions can lead to the formation of unique and stable species in both solution and in the solid state, as well as functional and responsive structures.
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Affiliation(s)
- Dawn E Barry
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI), Trinity College Dublin, The University of Dublin, Dublin 2, Ireland.
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28
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Zhu YY, Li HQ, Ding ZY, Lü XJ, Zhao L, Meng YS, Liu T, Gao S. Spin transitions in a series of [Fe(pybox)2]2+ complexes modulated by ligand structures, counter anions, and solvents. Inorg Chem Front 2016. [DOI: 10.1039/c6qi00417b] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new family of mononuclear Fe(ii) compounds is synthesized based on pybox ligands. Their spin-crossover behaviours can be effectively mediated by ligand structures, counter anions, and solvents.
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Affiliation(s)
- Yuan-Yuan Zhu
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
| | - Hong-Qing Li
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
| | - Zhong-Yu Ding
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
| | - Xiao-Jin Lü
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian 116024
- China
| | - Liang Zhao
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian 116024
- China
| | - Yin-Shan Meng
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871
| | - Tao Liu
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian 116024
- China
| | - Song Gao
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871
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29
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Li HQ, Ding ZY, Pan Y, Liu CH, Zhu YY. Fluorescence tuning of Zn(ii)-based metallo-supramolecular coordination polymers and their application for picric acid detection. Inorg Chem Front 2016. [DOI: 10.1039/c6qi00267f] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of metallo-supramolecular coordination polymers displayed strong and tunable visible luminescent emission and possessed the capability for detection of picric acid (PA) with high sensitivity and selectivity.
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Affiliation(s)
- Hong-Qing Li
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
| | - Zhong-Yu Ding
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
| | - Yao Pan
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
| | - Chun-Hua Liu
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
| | - Yuan-Yuan Zhu
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
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30
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Byrne JP, Martínez-Calvo M, Peacock RD, Gunnlaugsson T. Chiroptical Probing of Lanthanide-Directed Self-Assembly Formation Using btp Ligands Formed in One-Pot Diazo-Transfer/Deprotection Click Reaction from Chiral Amines. Chemistry 2015; 22:486-90. [DOI: 10.1002/chem.201504257] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Indexed: 12/23/2022]
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31
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Di Pietro S, Imbert D, Mazzanti M. An efficient triazole-pyridine-bistetrazolate platform for highly luminescent lanthanide complexes. Chem Commun (Camb) 2015; 50:10323-6. [PMID: 25058142 DOI: 10.1039/c4cc04060k] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two new triazole-pyridine-bistetrazolate ligands were synthesized via a versatile procedure that allows for further derivatization; their corresponding homoleptic tris-ligand nona-coordinated lanthanide complexes are highly luminescent in the solid state and in a PVA polymeric matrix with measured values for the luminescence quantum yield of 70(7) and 98(9)% for Eu(III) and Tb(III), respectively.
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32
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Byrne JP, Kitchen JA, Gunnlaugsson T. The btp [2,6-bis(1,2,3-triazol-4-yl)pyridine] binding motif: a new versatile terdentate ligand for supramolecular and coordination chemistry. Chem Soc Rev 2015; 43:5302-25. [PMID: 24871484 DOI: 10.1039/c4cs00120f] [Citation(s) in RCA: 128] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Ligands containing the btp [2,6-bis(1,2,3-triazol-4-yl)pyridine] motif have appeared with increasing regularity over the last decade. This class of ligands, formed in a one pot ‘click’ reaction, has been studied for various purposes, such as for generating d and f metal coordination complexes and supramolecular self-assemblies, and in the formation of dendritic and polymeric networks, etc. This review article introduces btp as a novel and highly versatile terdentate building block with huge potential in inorganic supramolecular chemistry. We will focus on the coordination chemistry of btp ligands with a wide range of metals, and how it compares with other classical pyridyl and polypyridyl based ligands, and then present a selection of applications including use in catalysis, enzyme inhibition, photochemistry, molecular logic and materials, e.g. polymers, dendrimers and gels. The photovoltaic potential of triazolium derivatives of btp and its interactions with anions will also be discussed.
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Affiliation(s)
- Joseph P Byrne
- School of Chemistry and Trinity Biomedical Sciences Institute, Trinity College Dublin, University of Dublin, Pearse St, Dublin 2, Ireland.
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33
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Byrne JP, Kitchen JA, O’Brien JE, Peacock RD, Gunnlaugsson T. Lanthanide Directed Self-Assembly of Highly Luminescent Supramolecular “Peptide” Bundles from α-Amino Acid Functionalized 2,6-Bis(1,2,3-triazol-4-yl)pyridine (btp) Ligands. Inorg Chem 2015; 54:1426-39. [DOI: 10.1021/ic502384w] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Joseph P. Byrne
- School of Chemistry and Trinity Biomedical
Sciences Institute, Trinity College Dublin, University of Dublin, Pearse Street, Dublin 2, Ireland
| | - Jonathan A. Kitchen
- School of Chemistry and Trinity Biomedical
Sciences Institute, Trinity College Dublin, University of Dublin, Pearse Street, Dublin 2, Ireland
- Chemistry, Faculty of Natural & Environmental Sciences, University of Southampton, Highfield, Southampton SO17 1BJ, U.K
| | - John E. O’Brien
- School of Chemistry and Trinity Biomedical
Sciences Institute, Trinity College Dublin, University of Dublin, Pearse Street, Dublin 2, Ireland
| | - Robert D. Peacock
- School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, Scotland, U.K
| | - Thorfinnur Gunnlaugsson
- School of Chemistry and Trinity Biomedical
Sciences Institute, Trinity College Dublin, University of Dublin, Pearse Street, Dublin 2, Ireland
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34
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Zhu YY, Liu CW, Yin J, Meng ZS, Yang Q, Wang J, Liu T, Gao S. Structural phase transition in a multi-induced mononuclear FeII spin-crossover complex. Dalton Trans 2015; 44:20906-12. [DOI: 10.1039/c5dt03216d] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
One mononuclear FeII complex displays a structural phase transition and a multi-induced spin-crossover behavior mediated by heat, light, pressure and solvent.
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Affiliation(s)
- Yuan-Yuan Zhu
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
| | - Chang-Wei Liu
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
| | - Ji Yin
- School of Chemistry and Chemical Engineering
- Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices
- Hefei 230009
- China
| | - Zhao-Sha Meng
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871
| | - Qian Yang
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871
| | - Junhu Wang
- Mössbauer Effect Data Center & Laboratory of Catalysts and New Materials for Aerospace
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Tao Liu
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian
- China
| | - Song Gao
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871
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35
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Duerrbeck A, Gorelik S, Hobley J, Wu J, Hor A, Long N. Highly emissive, solution-processable and dynamic Eu(iii)-containing coordination polymers. Chem Commun (Camb) 2015; 51:8656-9. [DOI: 10.1039/c5cc01793a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Preparation of new soluble dynamic coordination networks based on Eu(iii) and a new, rigid ditopic pybox-related ligand.
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Affiliation(s)
- Andre Duerrbeck
- Department of Chemistry
- National University of Singapore
- Singapore 117543
- Institute of Materials Research and Engineering (IMRE)
- Agency for Science
| | - Sergey Gorelik
- Institute of Materials Research and Engineering (IMRE)
- Agency for Science
- Technology & Research
- Singapore 117602
| | - Jonathan Hobley
- Department of Chemistry
- University Brunei Darussalam
- Gadong BE 1410
- Brunei
| | - Ji'En Wu
- Department of Chemistry
- National University of Singapore
- Singapore 117543
| | - Andy Hor
- Department of Chemistry
- National University of Singapore
- Singapore 117543
- Institute of Materials Research and Engineering (IMRE)
- Agency for Science
| | - Nicholas Long
- Department of Chemistry
- Imperial College London
- London
- UK
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36
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Li SW, Wang YF, Zhao JS. Synthesis and structures of copper(II) and cadmium(II) compounds based on pyridazine derivative ligands. RUSS J COORD CHEM+ 2014. [DOI: 10.1134/s1070328414080053] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Park HJ, Ko SB, Wyman IW, Wang S. Selective Sensitization of Eu(III) and Tb(III) Emission with Triarylboron-Functionalized Dipicolinic Acids. Inorg Chem 2014; 53:9751-60. [DOI: 10.1021/ic501335e] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Hee-Jun Park
- Department
of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Soo-Byung Ko
- Department
of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Ian W. Wyman
- Department
of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Suning Wang
- Department
of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
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de Bettencourt-Dias A, Barber PS, Viswanathan S. Aromatic N-donor ligands as chelators and sensitizers of lanthanide ion emission. Coord Chem Rev 2014. [DOI: 10.1016/j.ccr.2014.04.010] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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39
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Hirayama M, Kobayashi Y, Tanaka Y, Sato T, Harada T, Tajima N, Kuroda R, Fujiki M, Imai Y. Chiral Optical Properties of Phenyloxazoline Derivatives that Appear Only in the Solid State. European J Org Chem 2013. [DOI: 10.1002/ejoc.201301379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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40
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Zou J, Berg DJ, Oliver A, Twamley B. Unusual Redox Chemistry of Ytterbium Carbazole–Bis(oxazoline) Compounds: Oxidative Coupling of Primary Phosphines by an Ytterbium Carbazole–Bis(oxazoline) Dialkyl. Organometallics 2013. [DOI: 10.1021/om400861d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jin Zou
- Department of Chemistry, University of Victoria, P.O. Box 3065, Victoria, British Columbia, Canada V8W 3V6
| | - David J. Berg
- Department of Chemistry, University of Victoria, P.O. Box 3065, Victoria, British Columbia, Canada V8W 3V6
| | - Allen Oliver
- Department of Chemistry
and Biochemistry, Notre Dame University, 251 Nieuwland Science Hall, Notre Dame, Indiana 46556-5670, United States
| | - Brendan Twamley
- University Research Office, University of Idaho, 109 Morrill
Hall, Moscow, Idaho 83844-3010, United States
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41
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Anion-regulated assemblies of diverse CuII coordination complexes with a versatile tripyridyltriazole ligand. J Mol Struct 2013. [DOI: 10.1016/j.molstruc.2013.04.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Affiliation(s)
- John A. Joule
- a School of Chemistry , The University of Manchester , Manchester , UK
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43
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Jiang H, Yan L, Xu M, Lu W, Cai Y, Wan W, Yao J, Wu S, Zhu S, Hao J. Nucleophile-Dependent Regioselective Reaction of (S)-4-Benzyl-2-Fluoroalkyl-1,3-Oxazolines. J Org Chem 2013; 78:4261-9. [DOI: 10.1021/jo400073d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Haizhen Jiang
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, People’s
Republic of China
- Key Laboratory
of Organofluorine
Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of
China
| | - Liuming Yan
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, People’s
Republic of China
| | - Minjun Xu
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, People’s
Republic of China
| | - Wenjun Lu
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, People’s
Republic of China
| | - Yeshan Cai
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, People’s
Republic of China
| | - Wen Wan
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, People’s
Republic of China
| | - Jianhua Yao
- Key Laboratory
of Organofluorine
Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of
China
| | - Shaoxiong Wu
- Emory NMR Research Center, Emory University, 201 Dowman Drive, Atlanta, Georgia, 30322,
United States
| | - Shizheng Zhu
- Key Laboratory
of Organofluorine
Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of
China
| | - Jian Hao
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, People’s
Republic of China
- Key Laboratory
of Organofluorine
Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of
China
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44
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Study on the tandem synthesis of optically active 2-substituted 4 (or 5)-phenyl-1,3-oxazolines. Tetrahedron 2013. [DOI: 10.1016/j.tet.2012.12.078] [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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45
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Meng FJ, Jia HQ, Hu NH, Xu JW. Construction of four new coordination polymers based on sulfone-4,4′-biphenyldicarboxylic acid ligand: Synthesis, structures and properties. INORG CHEM COMMUN 2013. [DOI: 10.1016/j.inoche.2012.11.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Ibarra IA, Hesterberg TW, Chang JS, Yoon JW, Holliday BJ, Humphrey SM. Molecular sensing and discrimination by a luminescent terbium–phosphine oxide coordination material. Chem Commun (Camb) 2013; 49:7156-8. [DOI: 10.1039/c3cc44575e] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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de Bettencourt-Dias A, Barber PS, Bauer S. A Water-Soluble Pybox Derivative and Its Highly Luminescent Lanthanide Ion Complexes. J Am Chem Soc 2012; 134:6987-94. [DOI: 10.1021/ja209572m] [Citation(s) in RCA: 167] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | - Patrick S. Barber
- Department of Chemistry, University of Nevada, Reno, Nevada 89557,
United States
| | - Sebastian Bauer
- Department of Chemistry, University of Nevada, Reno, Nevada 89557,
United States
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Veith M, Belot C, Huch V. Synthesis, crystal structure and physico-chemical studies of neodymium tris[diphenyl(3-thienyl)methoxide]. INORG CHEM COMMUN 2012. [DOI: 10.1016/j.inoche.2012.01.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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50
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Andreiadis ES, Imbert D, Pécaut J, Demadrille R, Mazzanti M. Self-assembly of highly luminescent lanthanide complexes promoted by pyridine-tetrazolate ligands. Dalton Trans 2012; 41:1268-77. [DOI: 10.1039/c1dt11627d] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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