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Shilov RA, Podkorytov IS, Kisel KS, Galenko EE, Karpitskaya DO, Rodionov IA, Shakirova JR, Tunik SP. DPPM-Bridged Binuclear Pt(II) Pincer Complexes: Chemistry, Structure, and Photophysics in Solution Revisited. Inorg Chem 2024; 63:11194-11208. [PMID: 38836300 DOI: 10.1021/acs.inorgchem.4c00984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
A series of luminescent binuclear ([dppm{Pt(NNC)}2]2+) and mononuclear ([PPh3Pt(NNC)]+) complexes containing pincer ligands were synthesized and characterized. Photophysical characteristics of both types of complexes were studied in dichloromethane solution. In the solid phase, the binuclear compounds adopt a syn configuration where the {Pt(NNC)} fragments are held together due to intramolecular Pt-Pt bonding and π-stacking of the pincer ligand aromatic systems. Analysis of the complexes' molecular structure in solution by multinuclear NMR spectroscopy showed that the stacked intramolecular configuration is retained in fluid media, which is in complete agreement with a considerable red shift of the emission wavelength due to formation of the intramolecular Pt-Pt bond, leading to the transformation of an emissive excited state to 3MMLCT. It was also found that triethylamine quenches the emission of both types of complexes; the mechanism of quenching is a combination of dynamic and static channels of excited-state deactivation. In the case of binuclear complexes, deprotonation of the dppm methylene bridge by triethylamine also contributes to the chromophore quenching. To explain the observed chemistry of binuclear complex interactions with Et3N, a chemical equilibrium scheme was suggested, which was confirmed by quantitative monitoring of the 31P signal variations as a function of triethylamine concentration.
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Affiliation(s)
- Roman A Shilov
- Institute of Chemistry, St. Petersburg State University, Universitetskii av., 26, 198504 Saint Petersburg, Russia
| | - Ivan S Podkorytov
- Biomolecular NMR Laboratory, St. Petersburg State University, 7-9 Universitetskaya Emb., 199034 Saint Petersburg, Russia
| | - Kristina S Kisel
- Institute of Chemistry, St. Petersburg State University, Universitetskii av., 26, 198504 Saint Petersburg, Russia
| | - Ekaterina E Galenko
- Institute of Chemistry, St. Petersburg State University, Universitetskii av., 26, 198504 Saint Petersburg, Russia
| | - Daria O Karpitskaya
- Institute of Chemistry, St. Petersburg State University, Universitetskii av., 26, 198504 Saint Petersburg, Russia
| | - Ivan A Rodionov
- Institute of Chemistry, St. Petersburg State University, Universitetskii av., 26, 198504 Saint Petersburg, Russia
| | - Julia R Shakirova
- Institute of Chemistry, St. Petersburg State University, Universitetskii av., 26, 198504 Saint Petersburg, Russia
| | - Sergey P Tunik
- Institute of Chemistry, St. Petersburg State University, Universitetskii av., 26, 198504 Saint Petersburg, Russia
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2
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Jing J, Yu M, Pan L, Zhao Y, Xu G, Zhang HH, Li C, Zhang XP. Synthesis and Biological Activities of Luminescent 5,6-Membered Bis(Metallacyclic) Platinum(II) Complexes. Molecules 2023; 28:6369. [PMID: 37687198 PMCID: PMC10489632 DOI: 10.3390/molecules28176369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 08/25/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Four couples of 5,6-membered bis(metallacyclic) Pt(II) complexes with acetylide and isocyanide auxiliary ligands have been prepared and characterized. The structures of (-)-2 and (-)-3 are confirmed by single-crystal X-ray diffraction, showing a distorted square-planar coordination environment around the Pt(II) nucleus. Both solutions and solid samples of all complexes are emissive at RT. Acetylide-coordinated Pt(II) complexes have a lower energy emission than those isocyanide-coordinated ones. The emission spectra of N^N'*C-coordinated Pt(II) derivatives show a lower energy emission maximum relative to N^C*N'-coordinated complexes with the same auxiliary ligand. Moreover, the difference between cyclometalated N^N'*C and N^C*N' ligands exerts a more remarkable effect on the emission than the auxiliary ligands acetylide and isocyanide. Cytotoxicity and cell imaging of luminescent 5,6-membered bis(metallacyclic) Pt(II) complexes have been evaluated.
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Affiliation(s)
| | | | | | | | | | | | | | - Xiao-Peng Zhang
- Key Laboratory of Water Pollution Treatment & Resource Reuse of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China; (J.J.); (M.Y.); (L.P.); (Y.Z.); (G.X.); (H.-H.Z.); (C.L.)
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3
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Lázaro A, Bosque R, Ward JS, Rissanen K, Crespo M, Rodríguez L. Toward Near-Infrared Emission in Pt(II)-Cyclometallated Compounds: From Excimers' Formation to Aggregation-Induced Emission. Inorg Chem 2023; 62:2000-2012. [PMID: 36696563 PMCID: PMC9906741 DOI: 10.1021/acs.inorgchem.2c03490] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Two series of Pt(II)-cyclometallated compounds containing N^C^N tridentate and alkynyl-chromophore ligands have been synthesized and structurally characterized. The N^C^N ligands differ on the presence of R1 = H or F in the central aromatic ring, while six different chromophores have been introduced to the alkynyl moiety. Single-crystal X-ray structures for some of the compounds reveal the presence of weak intermolecular contacts responsible for the formation of some dimers or aggregates. The photophysical characterization shows the presence of two emission bands in solution assigned to the 3π-π* transition from the N^C^N ligands mixed with 3MLCT/3ILCT transitions (higher energy band) in deaerated samples. The formation of excimers has also been identified as a broad band at longer wavelengths [near-infrared (NIR) emission] that becomes the main emission band for compounds containing phenanthrene as the chromophore. NIR emission behavior has also been explored using acetonitrile/water mixtures, and the presence of aggregates that emit at ca. 650 nm has also been detected.
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Affiliation(s)
- Ariadna Lázaro
- Departament
de Química Inorgànica i Orgànica, Secció
de Química Inorgànica, Universitat
de Barcelona, Martí i Franquès 1-11, E-08028 Barcelona, Spain,Institut
de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain
| | - Ramon Bosque
- Departament
de Química Inorgànica i Orgànica, Secció
de Química Inorgànica, Universitat
de Barcelona, Martí i Franquès 1-11, E-08028 Barcelona, Spain
| | - Jas S. Ward
- Department
of Chemistry, University of Jyvaskyla, P.O. Box 35, 40014 Jyväskylä, Finland
| | - Kari Rissanen
- Department
of Chemistry, University of Jyvaskyla, P.O. Box 35, 40014 Jyväskylä, Finland
| | - Margarita Crespo
- Departament
de Química Inorgànica i Orgànica, Secció
de Química Inorgànica, Universitat
de Barcelona, Martí i Franquès 1-11, E-08028 Barcelona, Spain,Institut
de Biomedicina de la Universitat de Barcelona (IBUB), 08028 Barcelona, Spain
| | - Laura Rodríguez
- Departament
de Química Inorgànica i Orgànica, Secció
de Química Inorgànica, Universitat
de Barcelona, Martí i Franquès 1-11, E-08028 Barcelona, Spain,Institut
de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain,
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4
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Influence of the ancillary ligands on the luminescence of platinum(II) complexes with a triazole-based tridentate C^N^N luminophore. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.119988] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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5
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Two new mononuclear zinc(II) and cadmium(II) coordination polymers based on 4-(3-pyridyl)-2H-1,2,3-triazole: Syntheses, structures, theoretical and fluorescent properties. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.03.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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6
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Sahyon H, El-Bindary A, Shoair A, Abdellatif A. Synthesis and characterization of ruthenium(III) complex containing 2-aminomethyl benzimidazole, and its anticancer activity of in vitro and in vivo models. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.01.140] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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7
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Ai Y, Li Y, Ma H, Su CY, Yam VWW. Cyclometalated Platinum(II) Complexes of 1,3-Bis(1-n-butylpyrazol-3-yl)benzenes: Synthesis, Characterization, Electrochemical, Photophysical, and Gelation Behavior Studies. Inorg Chem 2016; 55:11920-11929. [DOI: 10.1021/acs.inorgchem.6b02033] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yeye Ai
- Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
- Institute of Molecular Functional Materials
[Areas of Excellence Scheme, University Grants Committee (Hong Kong)]
and Department of Chemistry, The University of Hong Kong, Pokfulam
Road, Hong Kong, P. R. China
| | - Yongguang Li
- Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Huiqing Ma
- Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Cheng-Yong Su
- Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Vivian Wing-Wah Yam
- Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
- Institute of Molecular Functional Materials
[Areas of Excellence Scheme, University Grants Committee (Hong Kong)]
and Department of Chemistry, The University of Hong Kong, Pokfulam
Road, Hong Kong, P. R. China
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8
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Melník M, Mikuš P. Organophosphines in organoplatinum complexes – Structural aspects of trans -PtP 2 CCl derivatives. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2016.06.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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9
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The Rise of Near-Infrared Emitters: Organic Dyes, Porphyrinoids, and Transition Metal Complexes. Top Curr Chem (Cham) 2016; 374:47. [DOI: 10.1007/s41061-016-0048-9] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 06/20/2016] [Indexed: 12/22/2022]
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10
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Bonuccelli V, Funaioli T, Leoni P, Marchetti F, Marchetti L, Pasquali M. Synthesis and characterization of non-bridging mono- and bis-σ-η1-alkynyl derivatives of the phosphido-bridged hexaplatinum core [Pt6(μ-PBut2)4(CO)4]2+. Dalton Trans 2016; 45:6878-92. [DOI: 10.1039/c6dt00410e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Several mono- or bis-alkynyl derivatives of the [Pt6(μ-PBut2)4(CO)4]2+ core, pivotal intermediates in the synthesis of new cluster-containing oligomers, were prepared and fully characterized.
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Affiliation(s)
- Veronica Bonuccelli
- Dipartimento di Chimica e Chimica Industriale
- Università di Pisa
- I-56124 Pisa
- Italy
| | - Tiziana Funaioli
- Dipartimento di Chimica e Chimica Industriale
- Università di Pisa
- I-56124 Pisa
- Italy
| | - Piero Leoni
- Dipartimento di Chimica e Chimica Industriale
- Università di Pisa
- I-56124 Pisa
- Italy
| | - Fabio Marchetti
- Dipartimento di Chimica e Chimica Industriale
- Università di Pisa
- I-56124 Pisa
- Italy
| | - Lorella Marchetti
- Dipartimento di Chimica e Chimica Industriale
- Università di Pisa
- I-56124 Pisa
- Italy
| | - Marco Pasquali
- Dipartimento di Chimica e Chimica Industriale
- Università di Pisa
- I-56124 Pisa
- Italy
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11
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Wang Z, Niu JL, Zhang LZ, Guo JW, Hao XQ, Song MP. Synthesis, characterization and photophysical properties of the pincer platinum(II) complexes with m-bis(benzimidazol-2′-yl)benzene ligand. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.08.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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12
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Wang Z, Sun Z, Hao XQ, Niu JL, Wei D, Tu T, Gong JF, Song MP. Neutral and Cationic NCN Pincer Platinum(II) Complexes with 1,3-Bis(benzimidazol-2′-yl)benzene Ligands: Synthesis, Structures, and Their Photophysical Properties. Organometallics 2014. [DOI: 10.1021/om400946n] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Zhao Wang
- College of Chemistry
and Molecular Engineering,
Henan Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
| | - Zheming Sun
- Department of Chemistry, Fudan University, 220
Handan Road, Shanghai 200433, People’s Republic of China
| | - Xin-Qi Hao
- College of Chemistry
and Molecular Engineering,
Henan Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
| | - Jun-Long Niu
- College of Chemistry
and Molecular Engineering,
Henan Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
| | - Donghui Wei
- College of Chemistry
and Molecular Engineering,
Henan Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
| | - Tao Tu
- Department of Chemistry, Fudan University, 220
Handan Road, Shanghai 200433, People’s Republic of China
| | - Jun-Fang Gong
- College of Chemistry
and Molecular Engineering,
Henan Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
| | - Mao-Ping Song
- College of Chemistry
and Molecular Engineering,
Henan Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
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13
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Rossi E, Colombo A, Dragonetti C, Righetto S, Roberto D, Ugo R, Valore A, Williams JAG, Lobello MG, De Angelis F, Fantacci S, Ledoux-Rak I, Singh A, Zyss J. Tuning the Dipolar Second-Order Nonlinear Optical Properties of Cyclometalated Platinum(II) Complexes with Tridentate N^C^N Binding Ligands. Chemistry 2013; 19:9875-83. [DOI: 10.1002/chem.201301131] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 04/20/2013] [Indexed: 11/08/2022]
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14
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Zhang XP, Wu T, Liu J, Zhao JC, Li CH, You XZ. Circular Dichroism Spectroscopy Study of Crystalline-to-Amorphous Transformation in Chiral Platinum(II) Complexes. Chirality 2013; 25:384-92. [DOI: 10.1002/chir.22149] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2012] [Accepted: 11/26/2012] [Indexed: 11/07/2022]
Affiliation(s)
- Xiao-Peng Zhang
- State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures; School of Chemistry and Chemical Engineering, Nanjing University; 210093 Nanjing People's Republic of China
| | - Tao Wu
- State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures; School of Chemistry and Chemical Engineering, Nanjing University; 210093 Nanjing People's Republic of China
| | - Jian Liu
- State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures; School of Chemistry and Chemical Engineering, Nanjing University; 210093 Nanjing People's Republic of China
| | - Jin-Cheng Zhao
- State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures; School of Chemistry and Chemical Engineering, Nanjing University; 210093 Nanjing People's Republic of China
| | - Cheng-Hui Li
- State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures; School of Chemistry and Chemical Engineering, Nanjing University; 210093 Nanjing People's Republic of China
| | - Xiao-Zeng You
- State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures; School of Chemistry and Chemical Engineering, Nanjing University; 210093 Nanjing People's Republic of China
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15
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Xiang H, Cheng J, Ma X, Zhou X, Chruma JJ. Near-infrared phosphorescence: materials and applications. Chem Soc Rev 2013; 42:6128-85. [DOI: 10.1039/c3cs60029g] [Citation(s) in RCA: 491] [Impact Index Per Article: 44.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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16
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Rossi E, Colombo A, Dragonetti C, Roberto D, Ugo R, Valore A, Falciola L, Brulatti P, Cocchi M, Williams JAG. Novel N^C^N-cyclometallated platinum complexes with acetylide co-ligands as efficient phosphors for OLEDs. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm16592a] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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17
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Li K, Chen Y, Lu W, Zhu N, Che CM. A Cyclometalated Platinum(II) Complex with a Pendent Pyridyl Motif as Solid-State Luminescent Sensor for Acidic Vapors. Chemistry 2011; 17:4109-12. [DOI: 10.1002/chem.201003606] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2010] [Indexed: 11/11/2022]
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18
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Pandya SU, Moss KC, Bryce MR, Batsanov AS, Fox MA, Jankus V, Al Attar HA, Monkman AP. Luminescent Platinum(II) Complexes Containing Cyclometallated Diaryl Ketimine Ligands: Synthesis, Photophysical and Computational Properties. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.200901159] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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19
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Chen Y, Li K, Lu W, Chui SSY, Ma CW, Che CM. Photoresponsive supramolecular organometallic nanosheets induced by Pt(II)...Pt(II) and C-H...pi interactions. Angew Chem Int Ed Engl 2010; 48:9909-13. [PMID: 19937631 DOI: 10.1002/anie.200905678] [Citation(s) in RCA: 155] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yong Chen
- Department of Chemistry and HKU-CAS Joint Laboratory on New Materials, The University of Hong Kong, Pokfulam Road, Hong Kong, China
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20
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Chen Y, Li K, Lu W, Chui SY, Ma CW, Che CM. Photoresponsive Supramolecular Organometallic Nanosheets Induced by PtII⋅⋅⋅PtII and CH⋅⋅⋅π Interactions. Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200905678] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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21
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Poola B, Wang X, Richmond MG. New rhenium(I) compounds containing the donor–acceptor diphosphine ligands 2-(ferrocenylidene)-4,5-bis(diphenylphosphino)4-cyclopenten-1,3-dione (fbpcd) and 2-(3-ferrocenylprop-2-ynylidene)-4,5-bis(diphenylphosphino)4-cyclopenten- 1,3-dione (fpbpcd): Electrochemical behavior, MO properties, and X-ray diffraction structure of fac-BrRe(CO)3(fpbpcd). Polyhedron 2009. [DOI: 10.1016/j.poly.2009.05.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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22
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Hunt SW, Wang X, Richmond MG. Synthesis, reactivity investigation, and X-ray diffraction structures of new platinum(II) compounds containing redox-active diphosphine ligands. J Mol Struct 2009. [DOI: 10.1016/j.molstruc.2008.08.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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23
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Eryazici I, Moorefield CN, Newkome GR. Square-planar Pd(II), Pt(II), and Au(III) terpyridine complexes: their syntheses, physical properties, supramolecular constructs, and biomedical activities. Chem Rev 2008; 108:1834-95. [PMID: 18543874 DOI: 10.1021/cr0781059] [Citation(s) in RCA: 488] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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