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Photoelectrocatalytic materials with complexes of two different transition metals as structure-directing agents
IF 2.4 3区 化学
Polyhedron Pub Date : 2025-04-08 DOI: 10.1016/j.poly.2025.117543
Li Wang , Liming Qi , Hong Pan , Gele Teri , Menghe Baiyin
{"title":"Photoelectrocatalytic materials with complexes of two different transition metals as structure-directing agents","authors":"Li Wang ,&nbsp;Liming Qi ,&nbsp;Hong Pan ,&nbsp;Gele Teri ,&nbsp;Menghe Baiyin","doi":"10.1016/j.poly.2025.117543","DOIUrl":"10.1016/j.poly.2025.117543","url":null,"abstract":"<div><div>In recent years, chalcogenides have attracted considerable attention in photoelectrocatalysis. In this study, we report the synthesis of four chalcogenidoarsenates [Ni<sub>0.5</sub>Zn<sub>0.5</sub>(en)<sub>3</sub>]<sub>2</sub>As<sub>2</sub>S<sub>5</sub> (en = ethylenediamine) (<strong>1</strong>); [Ni<sub>0.5</sub>Zn<sub>0.5</sub>(en)<sub>3</sub>]<sub>2</sub>As<sub>2</sub>Se<sub>5</sub> (<strong>2</strong>); [Ni<sub>0.5</sub>Cu<sub>0.5</sub>(en)<sub>3</sub>]<sub>2</sub>As<sub>2</sub>Se<sub>5</sub> (<strong>3</strong>) and [Cu<sub>0.5</sub>Zn<sub>0.5</sub>(en)<sub>3</sub>H<sub>2</sub>]As<sub>2</sub>Se<sub>7</sub> (<strong>4</strong>) via a solvothermal method. Notably, each compound incorporates two distinct transition metals within the same complex—a phenomenon that has not been previously reported in arsenic chalcogenides. All four compounds exhibit zero-dimensional (0-D) clustered structures composed of complexes and anions, wherein two different transition metals occupy equivalent positions within the complexes. The photoelectrical properties of compounds <strong>1</strong>–<strong>4</strong> were systematically investigated, revealing good reproducibility and higher photocurrent densities. We also tested the UV–visible diffuse reflection spectra that the band gaps of <strong>1</strong>–<strong>4</strong> were 1.67 eV, 1.70 eV, 1.90 eV, and 1.78 eV, respectively, which suggested that these compounds had properties of semiconductor. Additionally, their photocatalytic performance was evaluated, demonstrating good degradation of crystal violet (CV); specifically, compound <strong>2</strong> achieved a photodegradation efficiency of 78.49 % upon irradiation.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"276 ","pages":"Article 117543"},"PeriodicalIF":2.4,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143817569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neutral and positively charged indium(III) phthalocyanines: Comparative evaluation of the effect of light and ultrasound-assisted light stimulation on singlet oxygen production and DNA interaction analysis 中性和带正电荷的铟(III)酞菁:光刺激和超声波辅助光刺激对单线态氧生成和 DNA 相互作用分析影响的比较评估
IF 2.4 3区 化学
Polyhedron Pub Date : 2025-04-05 DOI: 10.1016/j.poly.2025.117530
Öznur Dülger Kutlu
{"title":"Neutral and positively charged indium(III) phthalocyanines: Comparative evaluation of the effect of light and ultrasound-assisted light stimulation on singlet oxygen production and DNA interaction analysis","authors":"Öznur Dülger Kutlu","doi":"10.1016/j.poly.2025.117530","DOIUrl":"10.1016/j.poly.2025.117530","url":null,"abstract":"<div><div>Nowadays, the development of sonophoto-activated phthalocyanine-based therapeutic agents and studies to determine their photochemical and sono-photochemical properties are very important in improving the success of the treatment of cancer with sonophotodynamic therapy (SPDT). Indium(III) phthalocyanines are among the most effective ones with their high singlet oxygen generation potential. Herein, a neutral indium(III) phthalocyanine (<strong>2</strong>) and its water-soluble cationic indium(III) phthalocyanine derivative (<strong>2a</strong>) were synthesized. The synthesized phthalocyanines were sonochemically, photochemically and sono-photochemically excited and the excitation method effect on singlet oxygen generation was systematically studied by a comprehensive analysis. The experimental measurements indicated that exceptionally high quantum yields were obtained following sono-photochemical investigations. In addition to photochemical and sono-photochemical studies, the interaction of <strong>2a</strong> with deoxyribonucleic acid (DNA) was investigated. The DNA binding constant (K<sub>b</sub>) for <strong>2a</strong> is 1.66 × 10<sup>6</sup> M<sup>−1</sup> and the quenching constant (Kq) is 8.18 × 10<sup>13</sup> M<sup>−1</sup>s<sup>−1</sup>. The results indicate that these sensitizers may serve as potential candidate sensitizer molecules for application in advanced cancer therapies.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"275 ","pages":"Article 117530"},"PeriodicalIF":2.4,"publicationDate":"2025-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143817093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of (Ba(1.6-3/2x) Sr2.4Na2Nb10O30:xHo3+) tungsten bronze structured ferroelectric nanomaterial for optoelectronic application
IF 2.4 3区 化学
Polyhedron Pub Date : 2025-04-04 DOI: 10.1016/j.poly.2025.117538
Solomon H. Didu , Menberu M. Woldemariam , Shimelis A. Kitte , Fuad A. Bushira , Nebiyu G. Debelo
{"title":"Investigation of (Ba(1.6-3/2x) Sr2.4Na2Nb10O30:xHo3+) tungsten bronze structured ferroelectric nanomaterial for optoelectronic application","authors":"Solomon H. Didu ,&nbsp;Menberu M. Woldemariam ,&nbsp;Shimelis A. Kitte ,&nbsp;Fuad A. Bushira ,&nbsp;Nebiyu G. Debelo","doi":"10.1016/j.poly.2025.117538","DOIUrl":"10.1016/j.poly.2025.117538","url":null,"abstract":"<div><div>This paper aimed to report a study on the optical and photoluminescence behaviors of rare earth holmium ion additive barium strontium sodium niobate tungsten bronze structured ferroelectrics nanomaterials, produced by conventional high temperature solid-state reaction methods. Carbonates and oxides from Sigma-Aldrich were used as precursor.The investigation included, XRD, UV–Vis, PL and FT-IR to examine the phase, absorption, emission &amp; functional groups respectively. Tetragonal tungsten bronze structured crystallite phase was obtained from the XRD pattern results which match with the JCPDS card N<u>o</u> −00–039-1453. It has a space group of p4bm and lattice parameters, a = b = 12.3 Å &amp; c = 3.9 Å. UV–Vis revealed that the maximum absorption occurred at wavelength of 205 nm having highest intensity value obtained for the amount of 0.03 Ho<sup>3+</sup> and diminished in both right and left sides of the concentration amounts. The PL result displayed the maximum emission spectra (322.8 a.u.) centered at wavelength of 572 nm for the excitation wavelength of 285 nm for 0.03 Ho<sup>3+</sup> indicating high dipole transition that can enhance the ferroelectric property showing the important effect of the dopant since we obtained minimum intensity for no dopant and excess dopants (0.10) Ho<sup>3+</sup> concentration. For the non-doped cation oxide FT-IR outputs displayed a single vibration mode at wavenumber 540.6 cm<sup>−1</sup>. It has an intense collective cation oxide peak alone with no any external impurities. When the amount of Ho<sup>3+</sup> equal to 0.05 another new peaks were obtained at wave number 429.92 cm<sup>−1</sup>; confirming the presence for holmium-oxygen bond vibration modes that ensure in turn its existence as dopants as seen in EDS. Moreover, the synthesized nanomaterial is highly promising for optoelectronic; good absorption and nice band gap useful for enhanced storage and PL applications as the results obtained from characterized parameters clearly indicated.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"276 ","pages":"Article 117538"},"PeriodicalIF":2.4,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143824410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Formation and stability of Zr(IV), Hf(IV), Th(IV), and U(IV) bis(amide) dichloride complexes using bulky amide ligands: Insights into metal-arene interactions and hapticity 使用笨重的酰胺配体形成 Zr(IV)、Hf(IV)、Th(IV) 和 U(IV) 双(酰胺)二氯化物配合物及其稳定性:对金属-烯烃相互作用和触变性的见解
IF 2.4 3区 化学
Polyhedron Pub Date : 2025-04-03 DOI: 10.1016/j.poly.2025.117539
Ian A. Haltom , Chad M. Studvick , Matthew P. Litwin , Ivan A. Popov , James M. Boncella
{"title":"Formation and stability of Zr(IV), Hf(IV), Th(IV), and U(IV) bis(amide) dichloride complexes using bulky amide ligands: Insights into metal-arene interactions and hapticity","authors":"Ian A. Haltom ,&nbsp;Chad M. Studvick ,&nbsp;Matthew P. Litwin ,&nbsp;Ivan A. Popov ,&nbsp;James M. Boncella","doi":"10.1016/j.poly.2025.117539","DOIUrl":"10.1016/j.poly.2025.117539","url":null,"abstract":"<div><div>Addition of two equiv. of the bulky terphenyl amide salt Na[N<sup>H</sup>Ar<sup>iPr6</sup>] (Ar<sup>iPr6</sup> = 2,6-(2,4,6-<sup>i</sup>Pr<sub>3</sub>C<sub>6</sub>H<sub>2</sub>)<sub>2</sub>C<sub>6</sub>H<sub>3</sub>) to the tetravalent halides ZrCl<sub>4</sub>(THF)<sub>2</sub>, HfCl<sub>4</sub>, ThCl<sub>4</sub>(DME)<sub>1.54</sub> (DME = 1,2-dimethoxyethane), and UCl<sub>4</sub>(DME)<sub>1.32</sub> led to the formation of the desired M(N<sup>H</sup>Ar<sup>iPr6</sup>)<sub>2</sub>Cl<sub>2</sub> (M = Zr (<strong>1-Zr</strong>), Hf (<strong>1-Hf</strong>), Th (<strong>1-Th</strong>), U (<strong>1-U</strong>)) in good to moderate yields. The crystal structures of <strong>1-Th</strong> and <strong>1-U</strong> are particularly interesting as they exhibit an uncommon example of an actinide(IV)–(η<sup>6</sup>-arene) interaction with a 5-coordinate geometry. The coordination of the arene ring is shown to be highly labile on the NMR timescale through <sup>1</sup>H NMR spectroscopy, evincing only weak interactions keeping it coordinated to the metal. Computational analysis suggests the η<sup>6</sup>-arene hapticity through employing various bond orders and an electron localization methodology. Alternatively, addition of two equiv. of the silyl amide salt Na[N<sup>Dipp</sup>SiMe<sub>2</sub>Bn] (Dipp = 2,6-<sup>i</sup>Pr<sub>2</sub>C<sub>6</sub>H<sub>3</sub>; SiMe<sub>2</sub>Bn=Si(CH<sub>3</sub>)<sub>2</sub>(CH<sub>2</sub>C<sub>6</sub>H<sub>5</sub>)) to ZrCl<sub>4</sub>(THF)<sub>2</sub>, ThCl<sub>4</sub>(DME)<sub>1.54</sub>, and UCl<sub>4</sub> led to the formation of the desired M(N<sup>Dipp</sup>SiMe<sub>2</sub>Bn)<sub>2</sub>Cl<sub>2</sub>(THF)<sub>x</sub> (x = 0 for M = Zr (<strong>2-Zr</strong>), U (<strong>2-U</strong>), x = 1 for M = Th (<strong>2-Th</strong>) in moderate yields. The crystal structures of <strong>2-Zr</strong>, <strong>2-Th</strong>, and <strong>2-U</strong> hint at possible metal–arene interactions due to relatively short M−C<sub>ipso</sub> distances. However, low bond orders and meager metal–arene charge transfer signify these complexes are most accurately described as M(IV)–(η<sup>0</sup>-arene) and emphasize the importance of using computations along with experimental bond lengths to assign hapticity.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"276 ","pages":"Article 117539"},"PeriodicalIF":2.4,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143824409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Platinum (II), palladium (II), and nickel (II) complexes based on thiosalicylhydrazide and related ligands
IF 2.4 3区 化学
Polyhedron Pub Date : 2025-04-01 DOI: 10.1016/j.poly.2025.117526
Simeon Atiga , Graham C. Saunders , Matthew C. Risi , William Henderson
{"title":"Platinum (II), palladium (II), and nickel (II) complexes based on thiosalicylhydrazide and related ligands","authors":"Simeon Atiga ,&nbsp;Graham C. Saunders ,&nbsp;Matthew C. Risi ,&nbsp;William Henderson","doi":"10.1016/j.poly.2025.117526","DOIUrl":"10.1016/j.poly.2025.117526","url":null,"abstract":"<div><div>The reactions of thiosalicylhydrazide (HSC<sub>6</sub>H<sub>4</sub>CONHNH<sub>2</sub>, <strong>1a</strong>H<sub>2</sub>) and its derivatised ligands HSC<sub>6</sub>H<sub>4</sub>CONHR (where R = NCHC<sub>6</sub>H<sub>4</sub>-<em>p</em>-Cl; <strong>1b</strong>H<sub>2</sub>, NCHC<sub>6</sub>H<sub>4</sub>-<em>o</em>-OH; <strong>1c</strong>H<sub>2</sub>, NCHC<sub>10</sub>H<sub>9</sub>Fe; <strong>1d</strong>H<sub>2</sub> and NHC<sub>6</sub>H<sub>5</sub>; <strong>1e</strong>H<sub>2</sub>) with a variety of platinum(II), palladium(II), and nickel(II) centres were investigated with bond formation predominantly occurring through the deprotonated thiols as revealed by the X-ray crystal structure determination of the [Pt(<strong>1b</strong>H)<sub>2</sub>(dppf)]·CH<sub>2</sub>Cl<sub>2</sub> (dppf = 1′1-bis(diphenylphosphino)ferrocene) complex. The complexes were characterised by NMR and FTIR spectroscopy, ESI mass spectrometry, and microelemental analyses. The tendency to form a <em>S,N</em> chelate in the reaction of [PtCl<sub>2</sub>(dppf)] with <strong>1a</strong>H<sub>2</sub>, and an emerging isomerisation in [Pt(<strong>1a</strong>H)<sub>2</sub>(PPh<sub>3</sub>)<sub>2</sub>] was confirmed by <sup>31</sup>P{<sup>1</sup>H}NMR spectroscopy. Non-covalent interactions (NCI) analysis was carried out to demonstrate the occurrence of S···HN and O···HC attractive interactions in the [Pt(<strong>1b</strong>H)<sub>2</sub>(dppf)]·CH<sub>2</sub>Cl<sub>2</sub> crystal structure which determine the spatial orientation of the two <strong>1b</strong>H ligands. Hirshfeld surface analysis was used to visualise and quantify the various intermolecular interactions in the [Pt(<strong>1b</strong>H)<sub>2</sub>(dppf)]·CH<sub>2</sub>Cl<sub>2</sub> crystal structure.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"275 ","pages":"Article 117526"},"PeriodicalIF":2.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143817094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tailored morphology of Ca-Doped Nanomagnetic ferrite using facile combustion synthesis for Superior dye adsorption
IF 2.4 3区 化学
Polyhedron Pub Date : 2025-04-01 DOI: 10.1016/j.poly.2025.117531
Dharmaraj J. Patil , Rakesh Kumar , Harpreet Singh Grewal
{"title":"Tailored morphology of Ca-Doped Nanomagnetic ferrite using facile combustion synthesis for Superior dye adsorption","authors":"Dharmaraj J. Patil ,&nbsp;Rakesh Kumar ,&nbsp;Harpreet Singh Grewal","doi":"10.1016/j.poly.2025.117531","DOIUrl":"10.1016/j.poly.2025.117531","url":null,"abstract":"<div><div>Present work aims to use pioneer fuels as a reducer for fabricating CaFe<sub>2</sub>O<sub>4</sub> via combustion synthesis (CS) as a potential adsorbent for dye adsorption. CaFe<sub>2</sub>O<sub>4</sub> was innovatively synthesized by a CS using fuels, glycerol (Gly), ethylene glycol (EG), and diethylene glycol (DEG). The AF adsorption was comprehensively investigated using nine isotherm and four kinetic models to establish the adsorption process and mechanism by optimizing adsorption efficiency. Characterization of adsorbents was analyzed using XRD, FTIR, VSM, BET, and FESEM. The fuels significantly influenced the surface properties and morphology of CaFe<sub>2</sub>O<sub>4</sub>. The DEG-CaFe<sub>2</sub>O<sub>4</sub> exhibits multi-dimensional spongy morphology compared to the blocky and irregular structure of EG-CaFe<sub>2</sub>O<sub>4</sub>. The Langmuir adsorption capacity of the CaFe<sub>2</sub>O<sub>4</sub> was found to be in order DEG-CaFe<sub>2</sub>O<sub>4</sub> (1223) &gt; Gly-CaFe<sub>2</sub>O<sub>4</sub> (1101) &gt; EG-CaFe<sub>2</sub>O<sub>4</sub> (987 mg/g) following the transition in surface morphology rather than surface area. The pseudo-second-order (PSO) kinetic and the Langmuir isotherm model demonstrate the Acid fuchsin (AF) dye uptake. The present study showed that the fuel has a significant role in the morphological properties of CaFe<sub>2</sub>O<sub>4</sub> in the CS, which significantly influences the AF adsorption efficiency.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"275 ","pages":"Article 117531"},"PeriodicalIF":2.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143785740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and structures of Ln(III) 12-crown-4 complexes (Ln = La, Ce, Nd)
IF 2.4 3区 化学
Polyhedron Pub Date : 2025-04-01 DOI: 10.1016/j.poly.2025.117528
Miao He , Ziyi Gu , Jun Li , Yangjuan Li , Yu Gong
{"title":"Synthesis and structures of Ln(III) 12-crown-4 complexes (Ln = La, Ce, Nd)","authors":"Miao He ,&nbsp;Ziyi Gu ,&nbsp;Jun Li ,&nbsp;Yangjuan Li ,&nbsp;Yu Gong","doi":"10.1016/j.poly.2025.117528","DOIUrl":"10.1016/j.poly.2025.117528","url":null,"abstract":"<div><div>Two half-sandwich type mononuclear Ln(III) crown ether complexes, Ln(12-crown-4)(CH<sub>3</sub>CN)I<sub>3</sub> (Ln = La(<strong>1</strong>), Ce(<strong>2</strong>)), and three sandwich type mononuclear Ln(III) crown ether complexes, [Ln(12-crown-4)<sub>2</sub>(CH<sub>3</sub>CN)I]I<sub>2</sub> (Ln = La(<strong>3</strong>), Ce(<strong>4</strong>)), [Nd(12-crown-4)<sub>2</sub>I]I<sub>2</sub>(CH<sub>3</sub>CN) (<strong>5</strong>), have been prepared via the reaction of LnI<sub>3</sub> with 12-crown-4 in different ratios in CH<sub>3</sub>CN at room temperature. All complexes were characterized by single crystal X-ray diffraction, IR spectroscopy, elemental analysis and NMR spectroscopy. The <sup>1</sup>H NMR spectrum analysis indicates that complexes <strong>3</strong>, <strong>4</strong> and <strong>5</strong> undergo partial decomposition in solution. In addition, the <sup>1</sup>H NMR spectra of cerium and neodymium complexes compared to the lanthanum complexes show significant paramagnetic shifts.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"275 ","pages":"Article 117528"},"PeriodicalIF":2.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143792011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mitochondria-localized iridium(III) complexes as chemotherapeutic agents against melanoma
IF 2.4 3区 化学
Polyhedron Pub Date : 2025-04-01 DOI: 10.1016/j.poly.2025.117527
Ziyang Liu , Qixuan Zhang , Yixiong Yang , Ruochen Li , Xiyao Liu , Qingyi Lin , Zhanghui Zhu , Zhuohuai Gao , Tao Feng , Tianfang Cheng , Jian Wang , Hui Chao
{"title":"Mitochondria-localized iridium(III) complexes as chemotherapeutic agents against melanoma","authors":"Ziyang Liu ,&nbsp;Qixuan Zhang ,&nbsp;Yixiong Yang ,&nbsp;Ruochen Li ,&nbsp;Xiyao Liu ,&nbsp;Qingyi Lin ,&nbsp;Zhanghui Zhu ,&nbsp;Zhuohuai Gao ,&nbsp;Tao Feng ,&nbsp;Tianfang Cheng ,&nbsp;Jian Wang ,&nbsp;Hui Chao","doi":"10.1016/j.poly.2025.117527","DOIUrl":"10.1016/j.poly.2025.117527","url":null,"abstract":"<div><div>Chemotherapy remains the mainstay of cancer treatment. There is a growing propensity to design and develop drugs with structural complexity to enhance therapeutic efficacy. However, complex structures are complicated to prepare and are prone to uncertainties. On the contrary, simplifying structures is a practical approach to clarifying the treatment effect and the success of drug design. Herein, we design three cyclometalated Ir(III) complexes with simple structures that target the mitochondria to induce cell apoptosis. Briefly, the Ir(III) complexes can target mitochondria and cause mitochondrial damage by disrupting mitochondrial membrane potential, which activates the Caspase 3/7-dependent apoptotic pathway and thus inhibits melanoma at cellular. Therefore, constructing simple structural metal complexes offers a promising strategy for treating cancer.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"275 ","pages":"Article 117527"},"PeriodicalIF":2.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143759222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cobalt(II), Zinc(II) and Nickel(II) coordination polymers constructed by Bis(isophthalate) and Bis(imidazole) derivatives
IF 2.4 3区 化学
Polyhedron Pub Date : 2025-04-01 DOI: 10.1016/j.poly.2025.117529
Esengül Çiftçi , Mürsel Arıcı , Hakan Erer , Okan Zafer Yeşilel
{"title":"Cobalt(II), Zinc(II) and Nickel(II) coordination polymers constructed by Bis(isophthalate) and Bis(imidazole) derivatives","authors":"Esengül Çiftçi ,&nbsp;Mürsel Arıcı ,&nbsp;Hakan Erer ,&nbsp;Okan Zafer Yeşilel","doi":"10.1016/j.poly.2025.117529","DOIUrl":"10.1016/j.poly.2025.117529","url":null,"abstract":"<div><div>Three new heteroleptic coordination polymers, namely, [Co<sub>2</sub>(μ<sub>4</sub>-L)(μ-pbmix)<sub>2</sub>]<sub>n</sub> <strong>(1),</strong> [Zn<sub>2</sub>(μ<sub>4</sub>-L)(μ-pbmix)<sub>2</sub>]<sub>n</sub> <strong>(2)</strong>, and [Ni<sub>2</sub>(μ<sub>4</sub>-L)(μ-pbmix)<sub>2</sub>]<sub>n</sub> <strong>(3)</strong> (H<sub>4</sub>L = 5,5′-(but-2-en-1,4-diylbis(oxy))diisophthalic acid, pbmix = 1,4-bis(2-methyl-imidazol-1-yl-methyl)benzene (pbmix)), were solvothermally synthesized through the reaction of H<sub>4</sub>L and pbmix with cobalt(II), nickel(II), and zinc(II) nitrates. Their structures were characterized by elemental analysis, FT-IR spectroscopy, and single crystal X-ray diffraction. The thermal properties and phase purities of <strong>1</strong>–<strong>3</strong> were investigated using thermal analysis techniques (TG and DTA) and powder X-ray diffraction (PXRD). Complexes <strong>1</strong> and <strong>2</strong> are isostructural, exhibiting 3D frameworks with a point symbol of 8<sup>6</sup>. Complex <strong>3</strong> features a 2D network structure with a kgm topology and point symbol of {3<sup>2</sup>.6<sup>2</sup>.7<sup>2</sup>}. Additionally, the luminescence property of compound <strong>2 was investigated</strong>.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"275 ","pages":"Article 117529"},"PeriodicalIF":2.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143768221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The synthesis, characterization, DNA binding features and investigation of in vitro properties of new morpholine containing zinc (II) phthalocyanines
IF 2.4 3区 化学
Polyhedron Pub Date : 2025-03-31 DOI: 10.1016/j.poly.2025.117524
Mehmet Ceylan , Nilgün Kabay , Ege Rıza Karagür , Hakan Akça , Ali Arslantaş , Orhan Yavuz , Yaşar Gök
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