Effect of the Appended Morpholinyl Group on Photophysical Behavior of Mono- and Bis-cyclometalated Terpyridine Iridium(III) Chromophores DOI
Joanna Palion‐Gazda,

Aleksandra Kwiecień,

Katarzyna Choroba

и другие.

Inorganic Chemistry, Год журнала: 2024, Номер 64(1), С. 646 - 661

Опубликована: Дек. 26, 2024

This paper provides extensive studies of [IrCl(Ph-py)(morph-C6H4-terpy-κ3N)]PF6 (1A), [Ir(Ph-py)2(morph-C6H4-terpy-κ2N)]PF6 (2A), [IrCl(Ph-py)(Ph-terpy-κ3N)]PF6 (1B), and [Ir(Ph-py)2(Ph-terpy-κ2N)]PF6 (2B) designed to demonstrate the possibility controlling photophysical properties mono- bis-cyclometalated complexes [IrCl(Ph-py)(R-C6H4-terpy-κ3N)]PF6 [Ir(Ph-py)2(R-C6H4-terpy-κ2N)]PF6 through a remote electron-donating substituent introduced into 4′-position 2,2′:6′,2″-terpyridine (terpy) via phenyl linker. The attachment morpholinyl (morph) group was evidenced induce dramatic changes in emission characteristics monocyclometalated Ir(III) systems with meridionally coordinated R-C6H4-terpy ligand (κ3N). In solution, obtained complex found be rare example dual-emissive systems. Within series bearing bound central ion bidentate coordination mode, appended induced minor effect on maximum, but it an effective tool for extending excited-state lifetime, further prolonging increase solvent polarity. results this work are high significance better understanding push–pull dual-emission phenomena Ir-based luminophores, as well developing chromophores prolonged lifetimes.

Язык: Английский

Crystal structure of catena-poly[(μ 2-(2-(1H-imidazol-1-ylmethyl)benzyl)-1H-imidazole κ2N:N′)- (μ 2-cyclohexane-1,2-dicarboxylato κ2O,O′)cobalt(II) monohydrate] DOI Creative Commons
Zhaoxun Lian

Zeitschrift für Kristallographie - New Crystal Structures, Год журнала: 2025, Номер unknown

Опубликована: Май 15, 2025

Abstract CoC 22 H 26 N 4 O 5 , monoclinic, P2 1 / n a = 9.531(3) Å, b 11.771(4) c 19.673(6) β 92.495(6)°, V 2205.0(12) Å 3 Z 4, R gt ( F ) 0.0559 wR ref 2 0.1253, T 296(2)K.

Язык: Английский

Процитировано

0
The Role of Intraligand Charge Transfer Processes in Iridium(III) Complexes with Morpholine-Decorated 4′-Phenyl-2,2′:6′,2″-terpyridine DOI Creative Commons
Joanna Palion‐Gazda,

Aleksandra Kwiecień,

Katarzyna Choroba

и другие.

Molecules, Год журнала: 2024, Номер 29(13), С. 3074 - 3074

Опубликована: Июнь 27, 2024

To investigate the impact of electron-donating morpholinyl (morph) group on ground- and excited-state properties two different types Ir(III) complexes, [IrCl3(R-C6H4-terpy-κ3N)] [Ir(R-C6H4-terpy-κ3N)2](PF6)3, compounds [IrCl3(morph-C6H4-terpy-κ3N)] (1A), 4[Ir(morph-C6H4-terpy-κ3N)2](PF6)3 (2A), [IrCl3(Ph-terpy-κ3N)] (1B) [Ir(Ph-terpy-κ3N)2](PF6)3 (2B) were obtained. Their photophysical comprehensively investigated with aid static time-resolved spectroscopic methods accompanied by theoretical DFT/TD-DFT calculations. In case bis-terpyridyl iridium(III) attachment induced dramatic changes in absorption emission characteristics, manifested appearance a new, very strong visible tailing up to 600 nm, significant bathochromic shift 2A relative model chromophore. The features 2B found originate from triplet excited states natures: intraligand charge transfer (3ILCT) for small admixture metal-to-ligand (3IL–3MLCT) 2B. optical mono-terpyridyl complexes less significantly impacted substituent. Based UV–Vis spectra, wavelengths lifetimes environments, transient studies, calculations, it was demonstrated that 1A are governed singlet mixed MLLCT-ILCT nature, dominant contribution first component, is, metal-ligand-to-ligand (MLLCT). involvement ILCT transitions reflected an enhancement molar extinction coefficients bands range 350–550 red its

Язык: Английский

Процитировано

2
Diverse Cobalt(II) and Iron(II/III) Coordination Complexes/Polymers Based on 4′-Pyridyl: 2,2′;6′,2″-Terpyridine: Synthesis, Structures, Catalytic and Anticancer Activities DOI Creative Commons
Shu‐Yuan Cheng, Qinguo Zhang,

Quan Tang

и другие.

Chemistry, Год журнала: 2024, Номер 6(5), С. 1099 - 1110

Опубликована: Сен. 24, 2024

The success of platinum-based chemotherapeutic drugs for clinical cancer treatments has inspired tremendous research efforts on developing new metallic anticancer agents with improved cytotoxic activity and reduced side effects. 2,2′;6′,2″-Terpyridine its 4′-substituted derivatives have showed great potential as ligand compartments designing drug candidates involving base metals. In this work, we synthesized a series cobalt iron coordination compounds based 4′-pyridyl-2,2′;6′,2″-terpyridine, including homoleptic complexes, dinuclear bridged complex 1- 2-dimensional polymers/networks. polymorphism two CoII FeII complexes been described along the structural characterization polymer FeIII by X-ray crystallography. These were tested preliminarily precatalysts regioselective hydrosilylation styrene. Their activities against human breast cell lines (MCF-7 MDA-MB 468) normal epithelial line (MCF-10A) investigated in order to observe best-performing candidates.

Язык: Английский

Процитировано

2
Manipulating Intramolecular Charge Transfer in Terpyridine Derivatives towards “Turn‐On” Fluorescence Chemosensors for Zn2+ DOI Open Access
Qian Zhao, Lijun Li, Dongqin Bi

и другие.

Chemistry - An Asian Journal, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 8, 2024

A series of donor-acceptor (D-A) terpyridine derivatives with various intramolecular charge transfer interactions have been successfully synthesized bearing phenyl, methoxyphenyl, N-butyldiphenylamine (DPA), and triphenylamine (TPA) as electron-donors (TPY), 2,6-di(pyrazin-2-yl)pyridine (PYDPZ), N,N-dimethylated PYDPZ (PYDPZ-2CH

Язык: Английский

Процитировано

2
Highly Lipophilic Terpyridine Ligand as an Efficient Fluorescent Probe for the Selective Detection of Zinc(II) Ions Under Biological Conditions DOI
Rakesh R. Panicker, Suman Joseph, Sathish Dharani

и другие.

Analytical Methods, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 13, 2024

A lipophilic terpyridine containing an ester group at the end of alkyl chain functions as a probe for selective determination Zn 2+ under biological conditions with LODs 106 nM (solution-phase) and 115 (test paper strip).

Язык: Английский

Процитировано

2
Synthesis, characterization and structural analysis of complexes from 2,2′:6′,2′′-terpyridine derivatives with transition metals DOI
Daniel Alexander Fajardo Perafan, Danny Arteaga, Javier Ellena

и другие.

Acta Crystallographica Section C Structural Chemistry, Год журнала: 2024, Номер 80(6), С. 200 - 211

Опубликована: Май 16, 2024

The synthesis and structural characterization of three families coordination complexes synthesized from 4'-phenyl-2,2':6',2''-terpyridine (8, Ph-TPY), 4'-(4-chlorophenyl)-2,2':6',2''-terpyridine (9, ClPh-TPY) 4'-(4-methoxyphenyl)-2,2':6',2''-terpyridine (10, MeOPh-TPY) ligands with the divalent metals Co

Язык: Английский

Процитировано

1
A Tris(terpyridine) Ligand-based Metal Coordination Nanosheet as Electrode Material with Good Supercapacitor Performance DOI Creative Commons
Qian Liu, Zhiwei Xu,

Zengqi Guo

и другие.

Journal of Inorganic and Organometallic Polymers and Materials, Год журнала: 2024, Номер 34(7), С. 3076 - 3088

Опубликована: Июль 1, 2024

Abstract In this work, through a facile liquid–liquid (L–L) interfacial-assisted synthesis at room temperature, new two-dimensional (2D) metal coordination nanosheet Co-TPY-LB has been synthesized by the between Co 2+ ion and 1,3,5-tris(4′-tripyridinylphenyl)benzene (Tris-tpy). The flat smooth sheet structure with thickness of 83.3 nm hexagonal lattice spacing about 0.206 for as-fabricated identified AFM HRTEM respectively, providing large number redox sites diffusion channels. fabricated have used as electrodes exhibit highest capacity 2741.5 F g −1 current density 1 A , an excellent cycling stability 97.6% retention after 1000 cycles 10 . Meanwhile, assembled asymmetric supercapacitor positive electrode shows high energy 73.6 Wh kg power 4800 W well cycle 92.9% 5000 cycles. Our work provides controllable construction 2D to overcome some defects traditional synthesis, leading such bottom-up promising application in storage. Graphical

Язык: Английский

Процитировано

0
Preparation of Langmuir-Blodgett composite films based on Bisphenol fluorene and Epoxy bisphenol fluorene with photovoltaic properties DOI

Xiujuan Liu,

Na Li,

Tianyue Zhao

и другие.

Colloids and Surfaces A Physicochemical and Engineering Aspects, Год журнала: 2024, Номер 700, С. 134812 - 134812

Опубликована: Июль 14, 2024

Язык: Английский

Процитировано

0
Synthesis, crystal Structure, and luminescence of zinc coordination polymers with a new Fuctionalized terpyridyl Sulfonate ligand DOI
Bing Xu, Yao Wang, Tianhua Zhang

и другие.

Inorganica Chimica Acta, Год журнала: 2024, Номер unknown, С. 122416 - 122416

Опубликована: Окт. 1, 2024

Язык: Английский

Процитировано

0
Bioinspired complex cellulose nanorod-architectures: A model for dual-responsive smart carriers DOI Creative Commons
Marzieh Heidari Nia, Livia Garzia, Wajih Jawhar

и другие.

Carbohydrate Polymers, Год журнала: 2024, Номер 352, С. 123162 - 123162

Опубликована: Дек. 17, 2024

The synergy between nanomaterials as solid supports and supramolecular concepts has resulted in with hierarchical structure enhanced functionality. Herein, we developed investigated innovative functionalities arising from the organic moieties preexisting nanoscale soft material backbones. Based on these complex molecular nano-architectures, a new nanorod carbohydrate polymer carrier was designed bifunctional hairy nanocellulose (BHNC) to reveal dual-responsive advanced drug delivery (ADD). This scavenges K+-ions within cancer cells, while simultaneously releasing doxorubicin, combining ion homeostasis disruption targeted delivery. BC ADD system cross-linking dibenzo-18-crown-6-ether (DB18C6) BHNC particles. To enhance cellular internalization facilitate tracking of uptake, cellulose labeled biotin fluorescein isothiocyanate, referred BCFB. serves backbone, immobilized DB18C6 can capture doxorubicin via formation. BCFB carriers exhibit distinct profiles pH K+-responsiveness. They were evaluated biocompatible for MDA-MB-231 breast including quantification nanoparticle uptake flow cytometry KHOS cells. These cellulose-based possess unique properties potential utility phase transfer catalysts adsorbents diverse waterborne contaminants.

Язык: Английский

Процитировано

0