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Artykuły w czasopismach na temat „Supramolecular coordination polymers”

Autor: Grafiati

Data publikacji: 6 września 2023

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1

Jiang, Qian, Nicolas Desbois, Shifa Wang i Claude P. Gros. "Recent developments in dipyrrin based metal complexes: Self-assembled nanoarchitectures and materials applications". Journal of Porphyrins and Phthalocyanines 24, nr 05n07 (maj 2020): 646–61. http://dx.doi.org/10.1142/s1088424620300025.

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While dipyrrin-boron complexes (BODIPYs) and their derivatives have attracted much attention, dipyrrin-based metal complexes recently appeared as a novel luminescent material. So far, dipyrrin-metal complexes have been regarded as non-luminescent or weakly luminescent. Interestingly, introduction of steric hindrance at the meso-position and the development of heteroleptic complexes with proper frontier orbital ordering are two recent strategies that have been developed to improve their luminescent ability. Compared with BODIPYs, one of the distinctive advantages of dipyrrin-metal complexes is that they can form a series of self-assembled supramolecules and polymer assemblies via facile coordination reactions. In recent times, several supramolecular, coordination polymers and Metal-Organic Frameworks (MOFs) have been developed, [Formula: see text] by spontaneous coordination reactions between dipyrrin ligands and metal ions. As a novel luminescent material, dipyrrin-metal complexes have been applied in many fields. This review article summarizes recent developments in dipyrrin-metal complexes from the viewpoint of the improvement of luminescent ability, the formation of supramolecular and coordination polymers and their potential applications.

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2

Zhang, Jie-Peng, Xiao-Chun Huang i Xiao-Ming Chen. "Supramolecular isomerism in coordination polymers". Chemical Society Reviews 38, nr 8 (2009): 2385. http://dx.doi.org/10.1039/b900317g.

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Nath, J. K. "Syntheses, Structural Insight and HirshFeld Surface Analysis of Two Heteroleptic Coordination Polymer of Cu(II)". Журнал структурной химии 64, nr 9 (2023): 116489. http://dx.doi.org/10.26902/jsc_id116489.

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Using a solvothermal method, we have synthesized two coordination polymers of Cu(II). One is a 1D polymer {[Cu(bpy)(NDC)(H 2 O)].2H 2 O} n (1, 1D) formed with 1,8-naphthalene dicarboxylic acid (H 2 NDC) and 2,2′ -bipyridine (bpy) as an auxiliary ligand, while the other is a 2D polymer {[Cu 3 (TMA)(Imd) 3 ].5H 2 O.2DMF} n (2, 2D) formed with trimellitic acid (H 3TMA) and imidazole (Imd) as an auxiliary ligand. Both coordination polymers 1 and 2 were formed through an in situ hydrolytic ring opening reaction of 1,8-naphthalic anhydride and trimelitic anhydride with bipyridine and imidazole ligands, respectively. The asymmetric unit of polymer 1 contains asymmetric η 1 binding mode (one of the carboxylate) linking distorted square-pyramidal [Cu(NDC)(bpy)(H 2 O)] 2+ coordination units. The syn-syn-η 1 :η 1 linear polymer conformation exist in the 1D coordination polymer with adjacent Cu…Cu distance is 6.849Å. A chain of cyclic tetrameric water clusters is present between the stacked layers of the 3D supramolecular structure. The formation of the 3D supramolecular structure is guided by various weak interactions such as OH…O, CH…O, CH…π and π…π interactions. The coordination polymers 2 forms 3D supramolecular architecture guided by various weak interactions such as OH…O, CH…O and NH…O interactions. The crystal structures of both coordination polymers have been determined using single crystal X-ray diffraction and their structural features are described.

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4

Harada, Akira, i Akihito Hashidzume. "Supramolecular Polymers Based on Cyclodextrins and Their Derivatives". Australian Journal of Chemistry 63, nr 4 (2010): 599. http://dx.doi.org/10.1071/ch09609.

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Since Lehn introduced the concept in the 1990s, supramolecular polymers have been developed rapidly by several research groups. Supramolecular polymers should be key materials for establishment of a sustainable society. This short review describes briefly hydrogen-bonded and coordination supramolecular polymers, and then reviews our research on cyclodextrin-based supramolecular polymers.

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5

Tzeng, Biing-Chiau, i Hsien-Te Yeh. "Self-Assembly of a Cd²⁺Compound with 4-Pyridylthioacetic Acid: Structural and Luminescence Properties". Zeitschrift für Naturforschung B 59, nr 11-12 (1.12.2004): 1320–24. http://dx.doi.org/10.1515/znb-2004-11-1251.

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Abstract An interesting 3-D supramolecular architecture has been constructed through O-H・・・O and S・・・S weak interactions based on a neutral 1-D coordination polymer, [Cd(pyta)2(H2O)]n (pyta = pyridylthiocarboxylate), by self-assembly of the Cd2+ion and Hpyta ligand. This supramolecular approach is achieved in combination of coordinative bonds, O-H・・・O and S・・・S interactions. The tetragonal unit of 1-D coordination polymers forms a 1-D channel structure with a dimension of 5.35×6.86 Å2in the solid state, leading to the formation of zeolite-like materials. In combination with the zeolitelike nature of the title compound as well as its luminescence behavior, it is expected to find useful applications in luminescence sensing for VOCs (volatile organic compounds).

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6

Abbas Omran, Khalida. "The Construct and Interpretation of Chelated Coordination Polymers and Their Use in Nanomaterials Research". Journal of Environmental and Public Health 2022 (10.08.2022): 1–13. http://dx.doi.org/10.1155/2022/3937375.

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Presently, an important step from basic research to practical applications is synthesizing nanostructured materials. Metal-organic structures, as well as coordination polymers, are a diverse group of materials with a wide range of potential and properties applications. It has been difficult to get these materials into commercial use because of many drawbacks. Polymers containing chelated units are described and assessed for their advancements and problems in preparation, properties, and structure. Here, a proposed approach based on designing coordination polymeric materials with chelated units using the metal-ligand approach (CPM-CU-MA) has been introduced for a columnar-layered plan, supramolecular components, and building levels. Nanocomposite materials can be formed through the thermal transformation of coordination polymers based on donor atoms. The polymeric metal chelates (PMCs) are categorized according to luminescent coordination polymer (LCoP) development. It is classified as macrocyclic intracomplex, polynuclear, and molecular according to its macrostructure. Supramolecular networks (SMNs) can be transformed into a coordination polymer by introducing cyclo-dehydrogenation of natural building blocks on a surface. The structure-property connections of LCPs can influence a framework of liquid crystal display (LCP) that has been given based on LC phase modulators with a large modulation depth and has useful applications in LC lens. In the spatial organization of PMCs, the main focus is on the commonalities and contrasts between higher- and lower-molecular-weight chelates based on molecularly imprinted sensors (MISs) and nanomaterial sensors for a wide range of uses. New functional nanoparticles based on the molecular components have exciting potential, as demonstrated by these findings based on parameters risk factors for human health, hazards reduction in the environment, lack of cost-effectiveness, environmental sustainability, and bioavailability of polymers with an overall performance of 95.3%.

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7

van der Gucht, J., N. A. M. Besseling i H. P. van Leeuwen. "Supramolecular Coordination Polymers: Viscosimetry and Voltammetry". Journal of Physical Chemistry B 108, nr 8 (luty 2004): 2531–39. http://dx.doi.org/10.1021/jp036865r.

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8

Wang, Yong-Tao, Gui-Mei Tang i Da-Wei Qin. "Metal-Controlled Assembly Tuning Coordination Polymers with Flexible 2-(1H-imidazole-1-yl)acetic Acid (Hima)". Australian Journal of Chemistry 59, nr 9 (2006): 647. http://dx.doi.org/10.1071/ch06183.

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Three new inorganic–organic coordination polymers based on a versatile linking unit 2-(1H-imidazole-1-yl)acetate (Hima) and divalent Mn(ii), Ni(ii), and Cu(ii) ions, exhibiting two kinds of two dimensionalities with different topological structures, have been prepared in water medium and structurally characterized by single-crystal X-ray diffraction analysis. Reaction of MnCl2·4H2O and Ni(NO3)2·6H2O with Hima yielded neutral two-dimensional (2D) coordination polymers [M(ima)2]n, M = Mn(ii) 1, and Ni(ii) 2 with isostructural 2D coordination polymers possessing (3,6) topology structures, which further stack into three-dimensional (3D) supramolecular networks through C–H···O weak interactions. However, when Cu(NO3)2·4H2O was used, a neutral 2D coordination polymer [Cu(ima)2]n 3 consisting of rhombus units was generated, which showed a 3D supramolecular network through C–H···O weak interactions. Among these polymers, the building block ima anion exhibits different coordination modes. These results indicate that the versatile nature of this flexible ligand, together with the coordination preferences of the metal ions, plays a critical role in construction of these novel coordination polymers. Spectral and thermal properties of these new materials have also been investigated.

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9

Chen, Chun-Long, Bei-Sheng Kang i Cheng-Yong Su. "Recent Advances in Supramolecular Design and Assembly of Silver(I) Coordination Polymers". Australian Journal of Chemistry 59, nr 1 (2006): 3. http://dx.doi.org/10.1071/ch05225.

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The supramolecular chemistry of Ag(i) coordination assemblies continues to attract attention due to their versatile structural diversity and potential physical and chemical functions. This article provides a short review of recent advances in the design and construction of Ag(i) coordination polymers with special emphasis on the Ag(i) ion coordination geometry, ligand functionality, and supramolecular interactions. The potential functions of Ag(i) coordination polymers are briefly summarized.

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10

Yuan, C., J. Chen, S. Yu, Y. Chang, J. Mao, Y. Xu, W. Luo, B. Zeng i L. Dai. "Protein-responsive assemblies from catechol–metal ion supramolecular coordination". Soft Matter 11, nr 11 (2015): 2243–50. http://dx.doi.org/10.1039/c4sm02528h.

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A synergistic strategy combining the driving forces of both catechol–metal ion coordination and polymer self-assembly can organize polymers into hybrid nanoassemblies with tunable morphologies and protein-triggered disassembly features.

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11

Xu, Yun, Qing-Hua Deng, Fang Ding, Ran An, Dong Liu i Ti-Fang Miao. "Three New Supramolecular Coordination Polymers Based on 1H-pyrazolo[3,4-b]pyridin-3-amine and 1,3-benzenedicarboxylate Derivatives". Polymers 11, nr 5 (7.05.2019): 819. http://dx.doi.org/10.3390/polym11050819.

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Three new supramolecular coordination polymers, namely [Zn(1,3-BDC)(HL)]n (Polymer 1), [Zn3(1,3,5-BTC)2(HL)2(H2O)2]n (Polymer 2), and [Zn9(5-SO3-1,3-BDC)2(L)8(OH)4]n (Polymer 3), were synthesized under solvothermal conditions, based on 1H-pyrazolo[3,4-b]pyridin-3-amine (HL) along with 1,3-benzenedicarboxylate (1,3-BDC) and its derivatives, such as 1,3,5-benzenetricarboxylate (1,3,5-BTC) and 5-sulfo-1,3-benzenedicarboxylate (5-SO3-1,3-BDC). Polymers 1–3 were characterized by elemental analysis, IR spectroscopy, powder X-ray diffraction (PXRD), and single crystal X-ray diffraction analysis. Polymer 1 exhibited a two-dimensional (2D) 4-connected sql net. The neighboring 2D nets were further linked into a 3D supramolecular network by hydrogen-bonding interactions. Polymer 2 displayed a 3D (4, 4, 4)-connected network, which was further stabilized by R 2 2 (14) and S(9) hydrogen-bonding rings along with π–π interactions. The 2D sheet structure of Polymer 3 was constructed by novel quasi-linear nonanuclear Zn(II) units, which further extended into a 3D supramolecular structure by hydrogen-bonding interactions. The solid-state photoluminescence properties of Polymers 1–3 were also investigated.

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12

Zhu, Yu, Wei Zheng, Wei Wang i Hai-Bo Yang. "When polymerization meets coordination-driven self-assembly: metallo-supramolecular polymers based on supramolecular coordination complexes". Chemical Society Reviews 50, nr 13 (2021): 7395–417. http://dx.doi.org/10.1039/d0cs00654h.

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The marriage of polymerization and coordination-driven self-assembly has given rise to novel types of metallo-supramolecular polymers with well-defined and diverse topological architectures as well as unique dynamic features.

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13

Simões, Andrea B., Flávio Figueira, Ricardo F. Mendes, Jéssica S. Barbosa, João Rocha i Filipe A. Almeida Paz. "One-dimensional ladder gallium coordination polymer". Acta Crystallographica Section E Crystallographic Communications 75, nr 11 (3.10.2019): 1607–12. http://dx.doi.org/10.1107/s2056989019013446.

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A one-dimensional ladder-type coordination polymer, poly[[(μ2-hydroxido)(μ2-1H-pyrazole-3,5-dicarboxylato)gallium(III)] monohydrate], [Ga(C5H2N2O4)(OH)(H2O)] n or [Ga(HPDC)(OH)(H2O)] n , I, isotypic with a V3+ coordination polymer previously reported by Chen et al. [J. Coord. Chem. (2008). 61, 3556–3567] was prepared from Ga3+ and pyrazole-3,5-dicarboxylic acid monohydrate (H3PDC·H2O). Compound I was isolated using three distinct experimental methods: hydrothermal (HT), microwave-assisted (MWAS) and one-pot (OP) and the crystallite size should be fine-tuned according to the method employed. The coordination polymeric structure is based on a dimeric Ga3+ moiety comprising two μ2-bridging hydroxide groups, which are interconnected by HPDC2− anionic organic linkers. The close packing of individual polymers is strongly directed by the supramolecular interactions, namely several O—H...O and N—H...O hydrogen-bonding interactions.

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14

Vittal, Jagadese. "Photochemical Reactions of Hydrogen-bonded Coordination Polymers". Acta Crystallographica Section A Foundations and Advances 70, a1 (5.08.2014): C529. http://dx.doi.org/10.1107/s2053273314094704.

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Crystallization is a kinetic phenomenon and the experimental conditions like solvents, concentration, pH, temperature and time have greater influence on the nature of products in the synthesis of coordination network structures. During crystallization, the solvents and ligands bind to the metal ions reversibly and hence, the least soluble polymer will crystallize first, independent of the metal-ligand ratio used in the crystallization. The kinetic products quite often contain solvents bonded to the metal ions. The removal of these coordinated solvents is likely to transform the kinetically formed coordination polymers (CPs) into thermodynamically stable products. In these structural conversions, supramolecular interactions play a major role. Such structural transformations as well as [2+2] cycloaddition reactions have been demonstrated in many coordination polymeric network structures aided by the directional hydrogen bonding interactions. A number of structural transformations involving the loss of solvent molecules and use of photodimerization reactions in the solid state will be presented in this talk.

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15

Li, Jing-Hua, i Masayoshi Higuchi. "Substituent Effects on Metallo-Supramolecular Coordination Polymers". Journal of Inorganic and Organometallic Polymers and Materials 20, nr 1 (17.02.2010): 10–18. http://dx.doi.org/10.1007/s10904-010-9331-3.

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16

Qiu, Shuai, Zhao Gao, Xin Song, Xiao Hu, Hongxing Yuan i Wei Tian. "Hierarchical self-assembly induced supramolecular polymer helical nanowires with white circularly polarized luminescence". Chemical Communications 58, nr 29 (2022): 4647–50. http://dx.doi.org/10.1039/d2cc00336h.

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Novel white circularly polarized luminescent supramolecular helical nanowires, based on time-dependent hierarchical self-assembly of supramolecular coordination polymers, have been successfully constructed.

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17

Xu, Guohai, Min Xie, Xiaokang Li, Wenjie Shi, Hui Yu, Yinhui Hu, Xiaochen Xun i Yongrong Xie. "Four binuclear coordination polymers with a 63 net and self-assembly of 2D 63 topology into different supramolecular networks using unit–unit H-bonds". CrystEngComm 17, nr 19 (2015): 3677–86. http://dx.doi.org/10.1039/c5ce00264h.

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18

Chen, Zi-Lu, Yu-Zhen Zhang i Fu-Pei Liang. "Poly[aqua-μ3-p-aminobenzoato-κ3 N:O:O′-μ2-p-aminobenzoato-κ2 O:O′-p-aminobenzoato-κ2 O,O′-gadolinium(III)]". Acta Crystallographica Section E Structure Reports Online 62, nr 7 (14.06.2006): m1550—m1552. http://dx.doi.org/10.1107/s1600536806021489.

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In the title compound, [Gd(C7H6NO2)3(H2O)] n , a two-dimensional coordination polymer, the eight-coordinate GdIII ions are bridged by two carboxylate groups from two μ2-p-aminobenzoate ligands, forming a centrosymmetric dinuclear block. These blocks are further connected by μ3-p-aminobenzoate ligands, yielding a two-dimensional network. The coordination polymers thus formed are connected via hydrogen bonds, producing a three-dimensional supramolecular structure.

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19

Haino, Takeharu, Ryo Sekiya, Kentaro Harada i Natsumi Nitta. "Resorcinarene-Based Supramolecular Capsules: Supramolecular Functions and Applications". Synlett 33, nr 06 (27.10.2021): 518–30. http://dx.doi.org/10.1055/a-1679-8141.

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AbstractA resorcinarene is a synthetic macrocycle consisting of four resorcinol molecules covalently linked by methylene bridges. The interannular bridges produce a cavitand that has a bowl-shaped structure. We have developed supramolecular capsules through Ag(I) or Cu(I) coordination-driven self-assembly of cavitands possessing 2,2′-bipyridyl arms in their upper rims. The self-assembled capsules accommodate various molecular guests and supramolecular assemblies possessing acetoxy groups. The host–guest chemistry of the molecular capsules has been applied in the fabrication of supramolecular polymers. This account describes recent developments in the supramolecular chemistry of resorcinarene-based coordination capsules and provides a brief history of resorcinarene-based capsules and related capsules.

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20

Wei, Yan, Lei Zhang, Meng-Jie Wang, Si-Chun Chen, Zi-Hao Wang i Kou-Lin Zhang. "Synthesis, structure and characterization of two copper(II) supramolecular coordination polymers based on a multifunctional ligand 2-amino-4-sulfobenzoic acid". Acta Crystallographica Section C Structural Chemistry 71, nr 7 (16.06.2015): 570–77. http://dx.doi.org/10.1107/s2053229615011432.

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Copper(II) coordination polymers have attracted considerable interest due to their catalytic, adsorption, luminescence and magnetic properties. The reactions of copper(II) with 2-amino-4-sulfobenzoic acid (H2asba) in the presence/absence of the auxiliary chelating ligand 1,10-phenanthroline (phen) under ambient conditions yielded two supramolecular coordination polymers, namely (3-amino-4-carboxybenzene-1-sulfonato-κO1)bis(1,10-phenanthroline-κ2N,N′)copper(II) 3-amino-4-carboxybenzene-1-sulfonate monohydrate, [Cu(C7H6N2O5S)(C12H8N2)2](C7H6N2O5S)·H2O, (1), andcatena-poly[[diaquacopper(II)]-μ-3-amino-4-carboxylatobenzene-1-sulfonato-κ2O4:O4′], [Cu(C7H6N2O5S)(H2O)2]n, (2). The products were characterized by FT–IR spectroscopy, thermogravimetric analysis (TGA), solid-state UV–Vis spectroscopy and single-crystal X-ray diffraction analysis, as well as by variable-temperature powder X-ray diffraction analysis (VT-PXRD). Intermolecular π–π stacking interactions in (1) link the mononuclear copper(II) cation units into a supramolecular polymeric chain, which is further extended into a supramolecular double chain through interchain hydrogen bonds. Supramolecular double chains are then extended into a two-dimensional supramolecular double layer through hydrogen bonds between the lattice Hasba−anions, H2O molecules and double chains. Left- and right-handed 21helices formed by the Hasba−anions are arranged alternately within the two-dimensional supramolecular double layers. Complex (2) exhibits a polymeric chain which is further extended into a three-dimensional supramolecular network through interchain hydrogen bonds. Complex (1) shows a reversible dehydration–rehydration behaviour, while complex (2) shows an irreversible dehydration–rehydration behaviour.

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21

Schmatloch, S., i U. S. Schubert. "Engineering with metallo-supramolecular polymers: linear coordination polymers and networks". Macromolecular Symposia 199, nr 1 (październik 2003): 483–98. http://dx.doi.org/10.1002/masy.200350940.

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22

Qiu, Shuai, Zhao Gao, Fei Yan, Hongxing Yuan, Jingxia Wang i Wei Tian. "1,8-Dioxapyrene-based electrofluorochromic supramolecular hyperbranched polymers". Chemical Communications 56, nr 3 (2020): 383–86. http://dx.doi.org/10.1039/c9cc07919j.

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A 1,8-dioxapyrene-based electrofluorochromic supramolecular polymer was constructed through the coordination of terpyridine ligands with Eu³⁺ ions. The polymer can be used in anti-counterfeiting inks.

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23

Vilela, Sérgio M. F., Duarte Ananias, Patrícia Silva, Mariela Nolasco, Luís D. Carlos, Verónica de Zea Bermudez, João Rocha, João P. C. Tomé i Filipe A. Almeida Paz. "Coordination polymers based on a glycine-derivative ligand". CrystEngComm 16, nr 35 (2014): 8119–37. http://dx.doi.org/10.1039/c4ce00465e.

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The combination of a glycine-derivative supramolecular salt with lanthanide(iii) chloride hydrates under hydrothermal conditions (120 °C, 48 h) produced a family of isotypical materials formulated as [Ln(bodt)(Hbodt)].

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24

Kumar, Navnita, Sadhika Khullar, Yogesh Singh i Sanjay K. Mandal. "Hierarchical importance of coordination and hydrogen bonds in the formation of homochiral 2D coordination polymers and 2D supramolecular assemblies". CrystEngComm 16, nr 29 (2014): 6730–44. http://dx.doi.org/10.1039/c4ce00387j.

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Wang, Kai, Yuan-Guang Shao, Feng-Zhi Yan, Zibin Zhang i Shijun Li. "Construction of Supramolecular Polymers with Different Topologies by Orthogonal Self-Assembly of Cryptand–Paraquat Recognition and Metal Coordination". Molecules 26, nr 4 (11.02.2021): 952. http://dx.doi.org/10.3390/molecules26040952.

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Recently, metal-coordinated orthogonal self-assembly has been used as a feasible and efficient method in the construction of polymeric materials, which can also provide supramolecular self-assembly complexes with different topologies. Herein, a cryptand with a rigid pyridyl group on the third arm derived from BMP32C10 was synthesized. Through coordination-driven self-assembly with a bidentate organoplatinum(II) acceptor or tetradentate Pd(BF4)2•4CH3CN, a di-cryptand complex and tetra-cryptand complex were prepared, respectively. Subsequently, through the addition of a di-paraquat guest, linear and cross-linked supramolecular polymers were constructed through orthogonal self-assembly, respectively. By comparing their proton nuclear magnetic resonance (1H NMR) and diffusion-ordered spectroscopy (DOSY) spectra, it was found that the degrees of polymerization were dependent not only on the concentrations of the monomers but also on the topologies of the supramolecular polymers.

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26

Liu, Guo-Cheng, Zhi-Chao Guo, Xiu-Li Wang, Yun Qu, Song Yang i Hong-Yan Lin. "Tuning 1-D Pb(II) Coordination Polymers by Flexible and Semirigid Dicarboxylates: Synthesis, Structure and Properties". Zeitschrift für Naturforschung B 67, nr 3 (1.03.2012): 185–91. http://dx.doi.org/10.1515/znb-2012-0301.

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Two new one-dimensional (1-D) Pb(II) coordination polymers, namely, [Pb(3-pdip)(L1)]·H2O (1) and [Pb(3-pdip)(L2)] (2) [L1H2 = 1,6-hexanedioic acid, L2H2 = homophthalic acid, 3-pdip = 2-(3-pyridyl)imidazo[4,5-f]1,10-phenanthroline] have been obtained from hydrothermal reactions of Pb(II) nitrate with the phenanthroline derivative and the two dicarboxylic acids. Single-crystal X-ray diffraction analysis reveals that compound 1 is a staircase-like double-chain coordination polymer constructed from binuclear [Pb2N4O8] subunits and pairs of [L1]2− anions. Compound 2 is a linear coordination polymer connected via two μ2-η2:η1 carboxylate groups from [L2]2− anions. Furthermore, adjacent chains of 1 and 2 are extended into 3-D supramolecular networks by hydrogen bonds and π-π stacking interactions. The organic carboxylic acids with different flexibility determine the structures of the coordination polymers. Moreover, the thermal stabilities and photoluminescence properties of compounds 1 and 2 were investigated.

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Ewert, Ernest, Izabela Pospieszna-Markiewicz, Martyna Szymańska, Adrianna Kurkiewicz, Agnieszka Belter, Maciej Kubicki, Violetta Patroniak, Marta A. Fik-Jaskółka i Giovanni N. Roviello. "New N4-Donor Ligands as Supramolecular Guests for DNA and RNA: Synthesis, Structural Characterization, In Silico, Spectrophotometric and Antimicrobial Studies". Molecules 28, nr 1 (3.01.2023): 400. http://dx.doi.org/10.3390/molecules28010400.

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The present work reports the synthesis of new N4-donor compounds carrying p-xylyl spacers in their structure. Different Schiff base aliphatic N-donors were obtained synthetically and subsequently evaluated for their ability to interact with two models of nucleic acids: calf-thymus DNA (CT-DNA) and the RNA from yeast Saccharomyces cerevisiae (herein simply indicated as RNA). In more detail, by condensing p-xylylenediamine and a series of aldehydes, we obtained the following Schiff base ligands: 2-thiazolecarboxaldehyde (L1), pyridine-2-carboxaldehyde (L2), 5-methylisoxazole-3-carboxaldehyde (L3), 1-methyl-2-imidazolecarboxaldehyde (L4), and quinoline-2-carboxaldehyde (L5). The structural characterisation of the ligands L1-L5 (X-ray, 1H NMR, 13C NMR, elemental analysis) and of the coordination polymers {[CuL1]PF6}n (herein referred to as Polymer1) and {[AgL1]BF4}n, (herein referred to as Polymer2, X-ray, 1H NMR, ESI-MS) is herein described in detail. The single crystal X-ray structures of complexes Polymer1 and Polymer2 were also investigated, leading to the description of one-dimensional coordination polymers. The spectroscopic and in silico evaluation of the most promising compounds as DNA and RNA binders, as well as the study of the influence of the 1D supramolecular polymers Polymer1 and Polymer2 on the proliferation of Escherichia coli bacteria, were performed in view of their nucleic acid-modulating and antimicrobial applications. Spectroscopic measurements (UV–Vis) combined with molecular docking calculations suggest that the thiazolecarboxaldehyde derivative L1 is able to bind CT-DNA with a mechanism different from intercalation involving the thiazole ring in the molecular recognition and shows a binding affinity with DNA higher than RNA. Finally, Polymer2 was shown to slow down the proliferation of bacteria much more effectively than the free Ag(I) salt.

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Liu, Yiliu, Zehuan Huang, Xinxin Tan, Zhiqiang Wang i Xi Zhang. "Cucurbit[8]uril-based supramolecular polymers: promoting supramolecular polymerization by metal-coordination". Chemical Communications 49, nr 51 (2013): 5766. http://dx.doi.org/10.1039/c3cc41864b.

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Yan, Hao-Ran, Jian Wang, Ying-Hui Yu, Guang-Feng Hou, Hong-Xing Zhang i Jin-Sheng Gao. "Two cationic [(CuxIy)x−y]n motif based coordination polymers and their photocatalytic properties". RSC Advances 6, nr 75 (2016): 71206–13. http://dx.doi.org/10.1039/c6ra10627g.

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Two cationic [(Cu_xI_y)^x−y]_n based coordination polymers, featuring a 3,6-connected net or a coordination chain, and interesting supramolecular structures, exhibit photochemistry properties towards degradation of methyl blue.

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Yuan, Guozan, Guoli Hu, Weilong Shan, Suo Jin, Qingyun Gu i Jing Chen. "Structural and luminescence modulation in 8-hydroxyquinolinate-based coordination polymers by varying the dicarboxylic acid". Dalton Transactions 44, nr 40 (2015): 17774–83. http://dx.doi.org/10.1039/c5dt02692j.

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Using dicarboxylic acids as secondary auxiliary ligands, six coordination polymers are synthesized under solvothermal conditions. These polymers exhibited disparate fluorescence emission bands and lifetimes due to their different metal centers and supramolecular structures.

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Mautner, Franz A., Patricia V. Jantscher, Roland C. Fischer, Ana Torvisco, Klaus Reichmann, Nahed M. H. Salem, Kenneth J. Gordon, Febee R. Louka i Salah S. Massoud. "Coordination Polymers in Dicyanamido-Cadmium(II) with Diverse Network Dimensionalities". Crystals 11, nr 2 (12.02.2021): 181. http://dx.doi.org/10.3390/cryst11020181.

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The synthesis and structural characterization of six dicyanamido-cadmium(II) complexes are reported: catena-[Cd(μ1,3-dca)(μ1,5-dca)(3-ampy)] (1), catena-[Cd3(μ1,3,5-dca)2(μ1,5-dca)4(pyNO)2(H2O)2] (2), catena-{Cd(H2O)2(μ1,5-dca)2](2,6-lut-NO)} (3), catena-[Cd(Me2en)(μ1,5-dca)2] (4), catena-[Cd(Me4en)(μ1,5-dca)2] (5), and [Cd(1,8-damnp)2(dca)2] (6), where dca = dicyanamide anion, 3-ampy = 3-aminopyridine, pyNO = pyridine-N-oxide, 2,6-lut-NO = 2,6-lutidine-N-oxide, Me2en = N,N-dimethyl-ethylenediamine, Me4en = N,N,N′,N′-tetramethyl-ethylenediamine, and 1,8-damnp = 1,8-diaminonaphthaline. The coordination polymers have different dimensionalities: 1 and 5 form 3D networks structures; 3 and 4 form polymeric 1D chains and 1DD double chains, respectively. Ribbons of three fused polymeric chains are observed in 2. In 6, the mononuclear complex units form a hydrogen-bonded supramolecular 3D network. In the coordination polymer compounds, the dca linkers display three bonding modes: the most common μ1,5-dca and the least popular μ1,3- and μ1,3,5-dca bonding. The luminescence emission and thermal properties of the complexes were investigated.

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32

Jin, Guanghua, Yang Yang, Xiaoli Zhou i Xiangru Meng. "Influence of Anions on the Self-assembly of Cd(II)-containing Coordination Polymers Based on the Flexible Ligand 2-((1H-1,2,4-Triazol-1-yl)methyl)-1H-benzimidazole". Zeitschrift für Naturforschung B 67, nr 1 (1.01.2012): 29–35. http://dx.doi.org/10.1515/znb-2012-0106.

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Three Cd(II)-containing coordination polymers [CdCl2(tmb)]n (1) and two polymorphs of {[CdI2(tmb)]·DMF}n (2, 3) (tmb = 2-((1H-1,2,4-triazol-1-yl)methyl)-1H-benzimidazole) have been synthesized by the reactions of tmb with the cadmium salts. Polymer 1 exhibits an infinite · · ·Cd- (Cl1)2-Cd-(Cl2)2-Cd· · · chain with μ2Cl bridges, while polymers 2 and 3 are isomers, in which the Cd(II) ions are bridged by the bidentate tmb ligands leading to · · ·Cd-tmb-Cd· · · chains. The polymers form 3-D supramolecular frameworks through hydrogen bonds and π · · ·π stacking interactions. The different structures of polymers 1 - 3 indicate that the anions and the flexibility of the tmb ligand can influence the structures of the coordination polymers. The infrared spectra and luminescent properties of the polymers have been investigated in the solid state at room temperature

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33

Wei, Peifa, Xuzhou Yan i Feihe Huang. "Supramolecular polymers constructed by orthogonal self-assembly based on host–guest and metal–ligand interactions". Chemical Society Reviews 44, nr 3 (2015): 815–32. http://dx.doi.org/10.1039/c4cs00327f.

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Abd El-Mageed, Ahmed I. A., i Takuji Ogawa. "Identification of Supramolecular Structures of Porphyrin Polymer on Single-Walled Carbon Nanotube Surface Using Microscopic Imaging Techniques". Polymers 15, nr 6 (14.03.2023): 1439. http://dx.doi.org/10.3390/polym15061439.

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Although the supramolecular structure of porphyrin polymers on flat surfaces (i.e., mica and HOPG) has been extensively studied, the self-assembly arrays of porphyrin polymers on the SWNT (as curved nanocarbon surfaces) have yet to be fully identified and/or investigated, especially using microscopic imaging techniques, i.e., scanning tunneling microscopy (STM), atomic force microscopy (AFM), and transmission electron microscopy (TEM). This study reports the identification of the supramolecular structure of poly-[5,15-bis-(3,5-isopentoxyphenyl)-10,20-bis ethynylporphyrinato]-zinc (II) on the SWNT surface using mainly AFM and HR-TEM microscopic imaging techniques. After synthesizing around >900 mer of porphyrin polymer (via Glaser-Hay coupling); the as-prepared porphyrin polymer is then non-covalently adsorbed on SWNT surface. Afterward, the resultant porphyrin/SWNT nanocomposite is then anchored with gold nanoparticles (AuNPs), which are used as a marker, via coordination bonding to produce a porphyrin polymer/AuNPs/SWNT hybrid. The polymer, AuNPs, nanocomposite, and/or nanohybrid are characterized using 1H-NMR, mass spectrometry, UV-visible spectroscopy, AFM, as well as HR-TEM measuring techniques. The self-assembly arrays of porphyrin polymers moieties (marked with AuNPs) prefer to form a coplanar well-ordered, regular, repeated array (rather than wrapping) between neighboring molecules along the polymer chain on the tube surface. This will help with further understanding, designing, and fabricating novel supramolecular architectonics of porphyrin/SWNT-based devices.

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35

Geagea, Elie, Judicael Jeannoutot, Louise Morgenthaler, Simon Lamare, Frank Palmino i Frédéric Chérioux. "On-Surface Synthesis of Ligands to Elaborate Coordination Polymers on an Au(111) Surface". Nanomaterials 11, nr 8 (19.08.2021): 2102. http://dx.doi.org/10.3390/nano11082102.

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On-surface metal-organic polymers have emerged as a class of promising 2D materials. Here, we propose a new strategy to obtain coordination polymers by transforming supramolecular networks into coordination polymers by surface-assisted cyclo-dehydrogenation of organic building blocks. All nanostructures are fully characterized by using scanning tunneling microscopy under ultra-high vacuum on a gold surface. We demonstrated that the balance between molecule-molecule interaction and molecule-substrate interaction can be drastically modified by a strong modification of the geometry of the molecules thanks to a thermal annealing. This new way is an efficient method to elaborate on-surface coordination polymers.

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36

Riba-Moliner, Marta, Cristina Oliveras-González, David B. Amabilino i Arántzazu González-Campo. "Supramolecular block copolymers incorporating chiral and achiral chromophores for the bottom-up assembly of nanomaterials". Journal of Porphyrins and Phthalocyanines 23, nr 07n08 (lipiec 2019): 916–29. http://dx.doi.org/10.1142/s1088424619500809.

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The coordination of the chiral metalloporphyrin ([5,10,15,20-[4-([Formula: see text]-2-[Formula: see text]-octadecylamidoethyloxiphenyl]porphyrin] zinc (II)) and an achiral homologue to an amphiphilic block copolymer of poly(styrene-[Formula: see text]-4-vinyl pyridine) (PS-[Formula: see text]-P4VP) have been studied in solution and as cast material. The resulting chiral dye-polymer hybrid material has been accomplished via axial coordination between the zinc (II) metal ion in the core of the porphyrin ring and the pyridyl units of the block-copolymer in a non-coordinative solvent. The supramolecular organization and possible chirality transfer to the hybrid material have been studied in solution by UV-visible absorption spectroscopy, fluorescence spectroscopy, Nuclear Magnetic Resonance and Circular Dichroism. The morphology of the chiral and achiral doped polymers has been studied in solid state by Transmission Electron Microscopy and Atomic Force Microscopy. We show that the nanostructures formed depend greatly upon the nature of the side-chains on the porphyrins, where a chiral group leads to a very homogeneous phase-separated material, perhaps indicating that chiral side groups are useful for the preparation of this type of supramolecular hybrid.

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37

Bröring, Martin. "Coordination polymers built from metal tripyrrin units". Journal of Porphyrins and Phthalocyanines 12, nr 12 (grudzień 2008): 1242–49. http://dx.doi.org/10.1142/s1088424608000625.

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This account summarizes recent advances in the coordination chemistry of tripyrrins and related ligands with a special emphasis on the structural chemistry of coordination polymers with such ligands. The tripyrrin ligand is unique in supporting the formation of 1D- and 3D-supramolecular structures from pentacoordinate transition metal ions due to an effective blockage of their sixth coordination site. Linear coordination polymers have been observed with a multitude of bidentate and tridentate bridging ligands like trifluoroacetate, azide, thio- and selenocyanate, and higher order pseudohalides. Homo- and heterodimetallic species have been obtained by the use of cyanometallates and could be characterized structurally in two cases. Besides the covalent coordination bonds, several secondary interactions like hydrogen bonding and π-stacking were found to support these coordination polymers and are demonstrated to allow the preparation of species with functionalized inner surfaces.

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38

Liu, Tianmeng, Yan Wang i Zuming Hu. "Study on the Coordination Effect of Different Flexible Polybenzimidazoles with Copper Ions". Journal of Physics: Conference Series 2563, nr 1 (1.08.2023): 012005. http://dx.doi.org/10.1088/1742-6596/2563/1/012005.

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Abstract High-performance polymers such as polybenzimidazole (PBI) can have their thermomechanical properties greatly enhanced by the coordination of their rich imidazole groups with metal ions. The molecular chain’s flexibility influents on metal ion coordination greatly. In this paper, PBI with different chain flexibility was synthesized by varying the number of ether bond-containing monomers during the polymerization process. Rheological characterization of supramolecular networks obtained by coordination of different flexible PBI with copper ions was performed to explain in depth the effect of molecular chain flexibility on the reaction between copper ions and imidazole groups. The enhanced mechanical properties of the copper ion coordination polymer networks were compared to provide insight into the enhanced toughening mechanism of PBI with metal ion coordination.

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Fleischmann, Martin, Stefan Welsch, Laurence J. Gregoriades, Christian Gröger i Manfred Scheer. "Supramolecular Assemblies of Polyphosphorus Ligands Based on Weak Tl–P and In–P Interactions". Zeitschrift für Naturforschung B 69, nr 11-12 (1.12.2014): 1348–56. http://dx.doi.org/10.5560/znb.2014-4177.

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Abstract A systematic investigation of the coordination behavior of Pn complexes towards the main group Lewis acids Tl+ and In+ is presented. While the reaction of the tetrahedral P2 complex [{CpMo(CO)2}2(μ,η2:η2-P2)] (A1) with Tl[TEF] ([TEF] = [Al{OC(CF3)3}4]-) leads to the formation of the dicationic complex [Tl2(A1)6]2+ (1) with a central six-membered Tl2P4 ring, the analogous reaction with In[TEF] leads instead to a tetranuclear [In4(A1)8]4+ complex (3) exhibiting a weak InI-InI interaction in the solid state. When the Cp*-analogous P2 complex [{Cp*Mo(CO)2}2(μ,η2:η2-P2)] (A2) is reacted with Tl[TEF] the dinuclear complex [Tl2(A2)4]2+ (2) is formed, containing only four P2 ligands but also featuring a six-membered Tl2P4 ring motif. From the reactions of the cyclo-P3 complexes [CpM'(CO)2(η3-P3)] (M' = Cr (B1), Mo (B2)) with In[TEF] and Tl[TEF], a series of four isostructural one-dimensional coordination polymers (4a-d) are obtained which exhibit a novel bridging coordination mode of the cyclo-P3 ligands in the solid state. Additionally, the mixed PmSn ligand complex [(Cp*Mo)2(μ,η3:η3-P3)(μ,η2:η2-PS)] (C) was reacted with Tl[TEF] to afford a novel one-dimensional coordination polymer (5), which shows an unprecedented bridging s-1,3-coordination mode of ligand C towards Tl+. The compounds were analyzed by single-crystal X-ray structure determination, elemental analysis, and mass spectrometry, as well as by multinuclear NMR and IR spectroscopy. All products are readily soluble in CH2Cl2, despite in many cases being polymeric in the solid state. Multinuclear NMR spectroscopy suggests a highly dynamic coordination behavior in solution, including fast equilibria between different monomeric species, which is also supported by DFT calculations. The one-dimensional polymers 4c and 4d reveal a triplet in the 31P{1H} MAS NMR spectrum at room temperature, which could be explained by fast rotation of the P3 rings in the solid state.

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40

Zhang, J. P., i X. M. Chen. "Supramolecular isomerism of three dimensional 3-connected coordination polymers". Acta Crystallographica Section A Foundations of Crystallography 61, a1 (23.08.2005): c359. http://dx.doi.org/10.1107/s0108767305084722.

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Park, In-Hyeok, Huiyeong Ju, Tun Seng Herng, Yunji Kang, Shim Sung Lee, Jun Ding i Jagadese J. Vittal. "Supramolecular Isomerism and Polyrotaxane-Based Two-Dimensional Coordination Polymers". Crystal Growth & Design 16, nr 12 (21.11.2016): 7278–85. http://dx.doi.org/10.1021/acs.cgd.6b01431.

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Moon, Heehun, Sang Woo Lim, Dongwon Kim, Ok-Sang Jung i Young-A. Lee. "Supramolecular isomerism between cyclodimeric and sinusoidal 1D coordination polymers: competition of tunable argentophilic vs. electrostatic interactions". CrystEngComm 23, nr 5 (2021): 1272–80. http://dx.doi.org/10.1039/d0ce01779e.

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Bäumer, Nils, Kalathil K. Kartha, Stefan Buss, Iván Maisuls, Jasnamol P. Palakkal, Cristian A. Strassert i Gustavo Fernández. "Tuning energy landscapes and metal–metal interactions in supramolecular polymers regulated by coordination geometry". Chemical Science 12, nr 14 (2021): 5236–45. http://dx.doi.org/10.1039/d1sc00416f.

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Brega, Valentina, Matthias Zeller, Yufan He, H. Peter Lu i Jeremy K. Klosterman. "Multi-responsive metal–organic lantern cages in solution". Chemical Communications 51, nr 24 (2015): 5077–80. http://dx.doi.org/10.1039/c5cc00698h.

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45

Schneider, Matthew L., Oliver M. Linder-Patton i Witold M. Bloch. "A covalent deprotection strategy for assembling supramolecular coordination polymers from metal–organic cages". Chemical Communications 56, nr 85 (2020): 12969–72. http://dx.doi.org/10.1039/d0cc05349j.

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A covalent deprotection strategy facilitates the self-polymerisation of amine-functionalised Cu₄L₄ metal–organic cages into supramolecular coordination polymers with tunable porosity.

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Zhang, Liyan, Lulu Rong, Guoli Hu, Suo Jin, Wei-Guo Jia, Ji Liu i Guozan Yuan. "Six Zn(ii) and Cd(ii) coordination polymers assembled from a similar binuclear building unit: tunable structures and luminescence properties". Dalton Transactions 44, nr 15 (2015): 6731–39. http://dx.doi.org/10.1039/c4dt03660c.

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Six coordination polymers with different structures have been prepared. The tunable structures and photoluminescence properties were observed due to their different metal centers and supramolecular structures.

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Li, Hong-Qing, Zhong-Yu Ding, Yao Pan, Chun-Hua Liu i Yuan-Yuan Zhu. "Fluorescence tuning of Zn(ii)-based metallo-supramolecular coordination polymers and their application for picric acid detection". Inorganic Chemistry Frontiers 3, nr 11 (2016): 1363–75. http://dx.doi.org/10.1039/c6qi00267f.

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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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Yuan, Yuan, Yu-Wei Xiao, Xiao-Sheng Yan, Si-Xian Wu, Huan Luo, Jian-Bin Lin, Zhao Li i Yun-Bao Jiang. "Supramolecular chirality of coordination polymers of Ag+ with a chiral thiol ligand that bears a β-turn structure". Chemical Communications 55, nr 85 (2019): 12849–52. http://dx.doi.org/10.1039/c9cc07590a.

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The coordination polymers of Ag⁺ with a β-turn containing chiral thiol ligand exhibit supramolecular chirality showing simultaneously the majority rules effect (MRE) and racemate rules effect (RRE).

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Li, Qipeng, i Shaowu Du. "Two novel 3D lanthanide supramolecular coordination polymers constructed from paddle wheel SBUs and hydrogen bonding: synthesis, structures and properties". RSC Adv. 4, nr 59 (2014): 30963–67. http://dx.doi.org/10.1039/c4ra03976a.

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Two novel 3D lanthanide supramolecular coordination polymers with lanthanide paddle wheel SBUs were synthesized through in situ generation of formate anions. Their structure and temperature dependent luminescent property are investigated.

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Munzert, Stefanie Martina, Guntram Schwarz i Dirk G. Kurth. "Tailoring length and viscosity of dynamic metallo-supramolecular polymers in solution". RSC Advances 6, nr 19 (2016): 15441–50. http://dx.doi.org/10.1039/c5ra26907e.

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We present a detailed study of metallo-supramolecular coordination polymers (MEPEs) and how to adjust their chain-length and viscosity. A model is established, which can easily be used to prepare MEPEs of desired average molecular weight.

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