Self-Assembly of Metal−Organic Coordination Polymers Constructed from a Versatile Multipyridyl Ligand: Diversity of Coordination Modes and Structures

2009 ◽  
Vol 9 (2) ◽  
pp. 1041-1053 ◽  
Author(s):  
Xiao-Qiang Liang ◽  
Xin-Hui Zhou ◽  
Chao Chen ◽  
Hong-Ping Xiao ◽  
Yi-Zhi Li ◽  
...  
Keyword(s):  
Coordination Polymers ◽  
Self Assembly ◽  
Coordination Modes ◽  
Metal Organic

Self-Assembly of Metal-Organic Coordination Polymers Constructed from a Bent Dicarboxylate Ligand: Diversity of Coordination Modes, Structures, and Gas Adsorption

2009 ◽  
Vol 48 (23) ◽  
pp. 11067-11078 ◽  
Author(s):  
Wenbin Yang ◽  
Xiang Lin ◽  
Alexander J. Blake ◽  
Claire Wilson ◽  
Peter Hubberstey ◽  
...  
Keyword(s):  
Coordination Polymers ◽  
Self Assembly ◽  
Gas Adsorption ◽  
Coordination Modes ◽  
Metal Organic ◽  
Dicarboxylate Ligand

Amalgamating 4′-substituted 4,2′:6′,4′′-terpyridine ligands with double-helical chains or ladder-like networks

RSC Advances ◽  
2016 ◽  
Vol 6 (11) ◽  
pp. 9270-9277 ◽  
Author(s):  
Guoqi Zhang ◽  
Jiawen Tan ◽  
Tonya Phoenix ◽  
David R. Manke ◽  
James A. Golen ◽  
...  
Keyword(s):  
Coordination Polymers ◽  
Self Assembly ◽  
Structural Diversity ◽  
Metal Organic ◽  
Terpyridine Ligands ◽  
First Time

HgII-mediated self-assembly of metal–organic coordination polymers based on 4,2′:6′,4′′-terpyridine derivatives is for the first time presented and the structural diversity dependent upon the use of 4′-substituents of ligand is revealed.

scholarly journals Porphyrin-based metal coordination polymers with self-assembly pathway-dependent properties for photodynamic and photothermal therapy

2020 ◽  
Author(s):  
Yuyang Miao ◽  
Shibo Lv ◽  
Daoyuan Zheng ◽  
Yuhan Liu ◽  
Dapeng Liu ◽  
...  
Keyword(s):  
Coordination Polymers ◽  
Self Assembly ◽  
Photothermal Therapy ◽  
The Self ◽  
Metal Coordination ◽  
Great Promise ◽  
Assembly Process ◽  
Assembly Pathway ◽  
Metal Organic ◽  
Metal Coordination Polymers

Abstract Porphyrin-based metal coordination polymers (MCPs) have attracted numerous attention due to their great promise application in phototherapy including photodynamic therapy (PDT) and photothermal therapy (PTT). However, the detailed self-assembly process of porphyrin-based MCPs still remains poorly understood. This work provides a detailed study of the self-assembly process of MCPs constructed by Mn2+ and TCPP (TCPP: 4,4′,4′′,4′′′-(Porphine-5,10,15,20-tetrayl)tetrakis(benzoic acid)) in aqueous solution. Unlike traditional nucleation and growth mechanism, we discover that there is a metastable metal-organic intermediate which is kinetically favored in the self-assembly process. And the metastable metal-organic intermediate nanotape structures could convert into thermodynamically favored nanosheets through disassembling into monomers followed by reassembling process. Moreover, the two structurally different assemblies exhibit distinct photophysical performances. The intermediate Mn-TCPP aggregates show good light-induced singlet oxygen 1O2 generation for PDT while the thermodynamic favored stable Mn-TCPP aggregates exhibit good photothermal conversion ability as photothermal agents (PTAs). This study could facilitate controlling self-assembly pathway to fabricate complex MCPs with desirable applications.

scholarly journals Synthesis, Structures, and Water Adsorption of Two Coordination Polymers Constructed by M(II) (M = Ni (1) and Zn (2)) with 1,3-Bis(4-Pyridyl)Propane (bpp) and 1,2,4,5-Benzenetetracarboxylate (BT4−) Ligands

Polymers ◽  
2020 ◽  
Vol 12 (10) ◽  
pp. 2222
Author(s):  
Chih-Chieh Wang ◽  
Wei-Cheng Yi ◽  
Zi-Ling Huang ◽  
Tsai-Wen Chang ◽  
Wen-Chi Chien ◽  
...  
Keyword(s):  
Coordination Polymers ◽  
Metal Organic Framework ◽  
X Ray Diffraction ◽  
Bridging Ligands ◽  
Coordination Modes ◽  
Distorted Octahedral ◽  
Metal Organic ◽  
Nitrogen Donors ◽  
Oxygen Donors ◽  
Monodentate Coordination

Two coordination polymers (CPs), with chemical formulas {[Ni2(bpp)2(BT)(H2O)6] 1.5(EtOH) 1.5H2O}n (1) and [Zn(bpp)(BT)0.5]·5H2O (2) (bpp = 1,3-bis(4-pyridyl)propane, and BT4− = tetraanion of 1,2,4,5-Benzenetetracarboxylic acid), have been synthesized and structurally characterized by single-crystal X-ray diffraction methods. In compound 1, the coordination environments of two crystallographically independent Ni(II) ions are both distorted octahedral bonded to two nitrogen donors from two bpp ligands and four oxygen donors from one BT4- ligand and three water molecules. Both bpp and BT4− act as bridging ligands with bis-monodentate and 1,4-bis-monodentate coordination modes, respectively, connecting the Ni(II) ions to form a 2D layered metal-organic framework (MOF). Adjacent 2D layers are then arranged orderly in an ABAB manner to complete their 3D supramolecular architecture. In 2, the coordination environment of Zn(II) ion is distorted tetrahedral bonded to two nitrogen donors from two bpp ligands and two oxygen donors from two BT4− ligands. Both bpp and BT4- act as bridging ligands with bis-monodentate and 1,2,4,5-tetrakis-monodentate coordination modes, respectively, connecting the Zn(II) ions to form a 3D MOF. The reversible water de-/adsorption behavior of 1 between dehydrated and rehydrated forms has been verified by cyclic Thermogravimetric (TG) analyses through de-/rehydration processes. Compound 1 also exhibits significant water vapor hysteresis isotherms.

Self-supported chiral catalysts for heterogeneous enantioselective reactions

2007 ◽  
Vol 79 (9) ◽  
pp. 1531-1540 ◽  
Author(s):  
Kuiling Ding ◽  
Zheng Wang ◽  
Lei Shi
Keyword(s):  
Heterogeneous Catalysis ◽  
Coordination Polymers ◽  
Self Assembly ◽  
Heterogeneous Catalysts ◽  
Asymmetric Hydrogenation ◽  
Chiral Catalysts ◽  
Enantioselective Reactions ◽  
New Strategy ◽  
Hydrogenation Reactions ◽  
Metal Organic

The development of a new strategy to immobilize the homogeneous chiral catalysts for enantioselective reactions is highly desirable in order to overcome some drawbacks of conventional approaches. In this lecture, a conceptually new strategy for heterogenization of homogeneous chiral catalysts (i.e., "self-supporting" approach) is presented. The concept focuses on the use of homochiral metal-organic coordination polymers generated by self-assembly of chiral multitopic ligands with metal ions as the heterogeneous catalysts, and thus obviating the need of any exogenous support. The application of this "self-supporting" strategy has been exemplified in heterogeneous catalysis of asymmetric carbonyl-ene, sulfoxidation, and epoxidation, as well as asymmetric hydrogenation reactions.

Hierarchical Self-Assembly of Supramolecular Coordination Polymers Using Giant Metal-Organic Nanocapsules as Building Blocks

2018 ◽  
Vol 24 (54) ◽  
pp. 14335-14340 ◽  
Author(s):  
Chen Zhang ◽  
Fang Wang ◽  
Rahul S. Patil ◽  
Charles L. Barnes ◽  
Tao Li ◽  
...  
Keyword(s):  
Coordination Polymers ◽  
Self Assembly ◽  
Building Blocks ◽  
Supramolecular Coordination ◽  
Metal Organic
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