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Trang CDM, Saal T, Inkpen MS. Methyldisulfide groups enable the direct connection of air-stable metal bis(terpyridine) complexes to gold surfaces. Dalton Trans 2023; 52:7836-7842. [PMID: 37218422 PMCID: PMC10330856 DOI: 10.1039/d3dt00955f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
We show that a new terpyridine ligand comprising a directly-connected methyldisulfide group (tpySSMe) can be used to prepare a modular series of metal bis(terpyidine) complexes, [M(tpySSMe)2](PF6)2 (M = Fe, Co, Zn), suitable for the functionalization of metal surfaces. Critically, we find these complexes are air-stable in solution for >7 d, in stark contrast to their thiol-substituted analogues, [M(tpySH)2](PF6)2 (M = Fe, Co), which decompose in <1 d. While CoSH has previously been utilized in several important studies, we explicitly detail its synthesis and characterization here for the first time. We subsequently probe the electrochemical properties of [M(tpySSMe)2](PF6)2 in solution, showing that the (electro)chemical reactions associated with disulfide reduction significantly increase the complexity of the voltammetric response. In preliminary surface voltammetry studies, we confirm that CoSS and FeSS form solution-stable self-assembled monolayers (SAMs) on gold with comparable electrochemical properties to those formed from CoSH. Taken together, this work provides a robust foundation for future studies of this prominent class of complexes as redox-active components of SAMs or single-molecule junctions.
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Affiliation(s)
- Christina D M Trang
- Department of Chemistry, University of Southern California, Los Angeles, CA 90089, USA.
| | - Thomas Saal
- Department of Chemistry, University of Southern California, Los Angeles, CA 90089, USA.
| | - Michael S Inkpen
- Department of Chemistry, University of Southern California, Los Angeles, CA 90089, USA.
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2
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Supramolecular structures of Ni(II) and Pt(II) based on the substituted 2, 2′: 6′, 2″-terpyridine: Synthesis, structural characterization, luminescence and thermal properties. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.08.081] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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3
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Attwood M, Turner SS. Back to back 2,6-bis(pyrazol-1-yl)pyridine and 2,2′:6′,2″-terpyridine ligands: Untapped potential for spin crossover research and beyond. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.09.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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4
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Winter A, Schubert US. Synthesis and characterization of metallo-supramolecular polymers. Chem Soc Rev 2016; 45:5311-57. [PMID: 27218823 DOI: 10.1039/c6cs00182c] [Citation(s) in RCA: 249] [Impact Index Per Article: 31.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The incorporation of metal centers into the backbone of polymers has led to the development of a broad range of organometallic and coordination compounds featuring properties that are relevant for potential applications in diverse areas of research, ranging from energy storage/conversion to bioactive or self-healing materials. In this review, the basic concepts and synthetic strategies leading to these types of materials as well as the scope of available characterization techniques will be summarized and discussed.
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Affiliation(s)
- Andreas Winter
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany.
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5
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Wu T, Yuan G, Liu D, Wang M, Li Y, Chen M, Tao H, Wang P. Terpyridinyl dibenzo[b,d]furan and dibenzo[b,d]thiophene based tetrameric bismetallo-macrocycles. RSC Adv 2016. [DOI: 10.1039/c5ra21307j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Dibenzo[b,d]thiophene and dibenzo[b,d]furan based bisterpyridines were prepared. Direct self-assembly with Fe2+ led to metallo-macrocyclic mixtures. Utilizing the robust metallo-organic-ligands afforded the pure tetrameric macrocycles.
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Affiliation(s)
- Tun Wu
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha-410083
- China
| | - Guo Yuan
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha-410083
- China
| | - Die Liu
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha-410083
- China
| | - Meng Wang
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha-410083
- China
| | - Yiming Li
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha-410083
- China
| | - Mingzhao Chen
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha-410083
- China
| | - Hongwen Tao
- College of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
- Xiangtan-411201
- China
| | - Pingshan Wang
- College of Chemistry and Chemical Engineering
- Central South University
- Changsha-410083
- China
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6
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Momeni BZ, Heydari S. Design of novel copper(II) and zinc(II) coordination polymers based on the 4′-functionalized terpyridines. Polyhedron 2015. [DOI: 10.1016/j.poly.2015.05.019] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Kershaw Cook LJ, Fisher J, Harding LP, Halcrow MA. An iron(ii) spin-crossover metallacycle from a back-to-back bis-[dipyrazolylpyridine]. Dalton Trans 2015; 44:9417-25. [DOI: 10.1039/c5dt00732a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Iron(ii) and zinc(ii) complexes of bis[2,6-di(pyrazol-1-yl)pyrid-4-yl]disulfide assemble into tetranuclear metallacycles according to ES-MS, DOSY NMR and conductivity data. The iron complex exhibits a thermal spin-state equilibrium in solution, which the iron centres appear to undergo independently of each other.
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Affiliation(s)
| | - Julie Fisher
- School of Chemistry
- University of Leeds
- Leeds
- UK LS2 9JT
| | - Lindsay P. Harding
- Department of Chemical and Biological Sciences
- University of Huddersfield
- Huddersfield
- UK HD1 3DH
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8
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Sarkar R, Guo K, Moorefield CN, Saunders MJ, Wesdemiotis C, Newkome GR. One-Step Multicomponent Self-Assembly of a First-Generation Sierpiński Triangle: From Fractal Design to Chemical Reality. Angew Chem Int Ed Engl 2014; 53:12182-5. [DOI: 10.1002/anie.201407285] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Indexed: 11/10/2022]
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9
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Sarkar R, Guo K, Moorefield CN, Saunders MJ, Wesdemiotis C, Newkome GR. One-Step Multicomponent Self-Assembly of a First-Generation Sierpiński Triangle: From Fractal Design to Chemical Reality. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201407285] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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10
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Momeni BZ, Mohammad Jebraeil S, Patrick BO, Abd-El-Aziz AS. Synthesis and structural characterization of dimethyltin(IV) complexes based on functionalized pyridyl ligands. Polyhedron 2013. [DOI: 10.1016/j.poly.2013.03.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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11
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Machan CW, Adelhardt M, Sarjeant AA, Stern CL, Sutter J, Meyer K, Mirkin CA. One-Pot Synthesis of an Fe(II) Bis-Terpyridine Complex with Allosterically Regulated Electronic Properties. J Am Chem Soc 2012; 134:16921-4. [DOI: 10.1021/ja3045019] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Charles W. Machan
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston,
Illinois 60208, United States
| | - Mario Adelhardt
- Department of Chemistry and
Pharmacy, Inorganic Chemistry, University Erlangen-Nuremberg, Egerlandstrasse 1, D-91058 Erlangen, Germany
| | - Amy A. Sarjeant
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston,
Illinois 60208, United States
| | - Charlotte L. Stern
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston,
Illinois 60208, United States
| | - Jörg Sutter
- Department of Chemistry and
Pharmacy, Inorganic Chemistry, University Erlangen-Nuremberg, Egerlandstrasse 1, D-91058 Erlangen, Germany
| | - Karsten Meyer
- Department of Chemistry and
Pharmacy, Inorganic Chemistry, University Erlangen-Nuremberg, Egerlandstrasse 1, D-91058 Erlangen, Germany
| | - Chad A. Mirkin
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston,
Illinois 60208, United States
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12
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[Fe(4′-PhStpy)2][PF6]2 (4′-PhStpy = 4′-phenylthio-2,2′:6′,2″-terpyridine): A centrosymmetric embrace. INORG CHEM COMMUN 2012. [DOI: 10.1016/j.inoche.2012.03.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Lu X, Li X, Wang JL, Moorefield CN, Wesdemiotis C, Newkome GR. From supramolecular triangle to heteroleptic rhombus: a simple bridge can make a difference. Chem Commun (Camb) 2012; 48:9873-5. [DOI: 10.1039/c2cc35510h] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Wen HM, Zhang DB, Zhang LY, Shi LX, Chen ZN. Efficient Synthetic Approaches To Access Ruthenium(II) Complexes with 2-(Trimethylsilyl)ethyl- or Acetyl-Protected Terpyridine-Thiols. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201001249] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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15
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Wild A, Winter A, Schlütter F, Schubert US. Advances in the field of π-conjugated 2,2′:6′,2″-terpyridines. Chem Soc Rev 2011; 40:1459-511. [DOI: 10.1039/c0cs00074d] [Citation(s) in RCA: 417] [Impact Index Per Article: 32.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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16
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Han YF, Li H, Fei Y, Lin YJ, Zhang WZ, Jin GX. Synthesis and structural characterization of binuclear half-sandwich iridium, rhodium and ruthenium complexes containing 4,4′-dipyridyldisulfide (4DPDS) ligands. Dalton Trans 2010; 39:7119-24. [DOI: 10.1039/c0dt00057d] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Constable EC, Housecroft CE, Neuburger M, Price JR, Zampese JA. Redox addressable ligands in copper(i) coordination chemistry: thione and oligosulfide-bridged 6-methyl-2,2′-bipyridines. CrystEngComm 2010. [DOI: 10.1039/c002827d] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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18
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Constable EC, Housecroft CE, Neuburger M, Price JR, Zampese JA. Tuning Coordination Environments Through Ligand Redox Chemistry: the Thiol - Disulfide Reaction. Aust J Chem 2010. [DOI: 10.1071/ch10105] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Oxidative coupling of 6-(pyridin-2-yl)pyridine-2(1H)-thione yields 1,2-bis(2,2′-bipyridin-6-yl)disulfide (4), which can act as a bis(chelate) to a single zinc(ii) centre. The effects on the solid-state structure of introducing a methyl substituent into each 6-position of 4 have been examined. Ligand 4 functions as a bridging ligand in [Cu2(μ-4)(μ-6)]4+ in which ligand 6 is 1,2-bis(2,2′:6′,2″-terpyridin-4′-yl)disulfide; [Cu2(μ-4)(μ-6)]4+ self-assembles from the components according to the preference shown by copper(ii) for a five-coordinate {Cu(bpy)(tpy)} environment. Reaction of 4 with [Cu(NCMe)4][PF6] leads to a product, tentatively formulated as {[Cu(4)][PF6]}n, which, in air, undergoes oxidation of both copper and ligand to yield [Cu(5)2] (H5 = 2,2′-bipyridine-6-sulfonic acid), the solid state structure of which is presented.
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19
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Constable EC, Housecroft CE, Price JR, Zampese JA. When five are six: the myth of five-coordinate copper(ii) in supramolecular chemistry. CrystEngComm 2010. [DOI: 10.1039/c0ce00019a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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Beves JE, Constable EC, Housecroft CE, Neuburger M, Schaffner S, Zampese JA. 4′-Chloro-2,2′:6′,2″-terpyridine (L): ethyl sulfate salts of [H2L]2+ and the single crystal structures of [H2L][EtOSO3]Cl·H2O and [ML2][PF6]2 with M=Fe and Ru. INORG CHEM COMMUN 2008. [DOI: 10.1016/j.inoche.2008.04.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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21
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Johansson O, Eriksson L, Lomoth R. Pd-catalyzed diarylation of aniline--a way to a non-linear bis(terpyridyl) ligand providing increased electronic communication. Dalton Trans 2008:3649-51. [PMID: 18615208 DOI: 10.1039/b804461a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An amine-linked bis(terpyridyl) ligand, prepared via Pd-catalyzed diarylation of aniline, mediates unusually strong metal-metal interaction in its Ru(2) polypyridyl complex.
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Affiliation(s)
- Olof Johansson
- Department of Photochemistry and Molecular Science, Uppsala University, BOX 523, 751 20, Uppsala, Sweden.
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22
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Constable EC, Housecroft CE, Medlycott E, Neuburger M, Reinders F, Reymann S, Schaffner S. The first complex of 4′-(4-methylthiophenyl)-2,2′:6′,2″-terpyridine – A model for terpylated self-assembled monolayers. INORG CHEM COMMUN 2008. [DOI: 10.1016/j.inoche.2008.01.030] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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23
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An investigation of the positional isomeric effect of terpyridine derivatives: Self-assembly of novel cadmium coordination architectures driven by N-donor covalence and π⋯π non-covalent interactions. Polyhedron 2008. [DOI: 10.1016/j.poly.2008.01.024] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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24
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van der Geer EPL, van Koten G, Klein Gebbink RJM, Hessen B. A [4Fe−4S] Cluster Dimer Bridged by Bis(2,2′:6′,2″-terpyridine-4′-thiolato)iron(II). Inorg Chem 2008; 47:2849-57. [DOI: 10.1021/ic702062q] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Erwin P. L. van der Geer
- Chemical Biology & Organic Chemistry, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands, and Stratingh Institute, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Gerard van Koten
- Chemical Biology & Organic Chemistry, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands, and Stratingh Institute, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Robertus J. M. Klein Gebbink
- Chemical Biology & Organic Chemistry, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands, and Stratingh Institute, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Bart Hessen
- Chemical Biology & Organic Chemistry, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands, and Stratingh Institute, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
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25
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Constable EC, Housecroft CE, Neuburger M, Price JR, Schaffner S. Metal-mediated thiol–disulfide interconversion—a new tool for metallosupramolecular chemistry. Dalton Trans 2008:3795-7. [DOI: 10.1039/b809242g] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Constable EC, Housecroft CE, Neuburger M, Schaffner S, Shardlow EJ. Selective addressing of heteroditopic ligands by iron(II) and platinum(II). Inorganica Chim Acta 2007. [DOI: 10.1016/j.ica.2006.12.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Beves JE, Constable EC, Housecroft CE, Neuburger M, Schaffner S, Shardlow EJ. [n + n]-Heterometallomacrocyclic complexes (n ≥ 2) prepared from platinum(ii)-centred ditopic 2,2′:6′,2″-terpyridine ligands: dimensional cataloguing by pulsed-field gradient spin-echo NMR spectroscopy. Dalton Trans 2007:1593-602. [PMID: 17426861 DOI: 10.1039/b618197j] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction of 4'-(2-propyn-1-oxy)-2,2':6',2''-terpyridine (HC[triple bond]CCH2Oterpy) with trans-[PtI2(PR3)2] (R = Et, (n)Bu, Ph) results in the regioselective formation of the metalloditopic ligands trans-[Pt(C[triple bond]CCH2Oterpy)2(PR3)2], crystallographic data for which are presented. Each ditopic ligand reacts with FeCl(2).4H(2)O to give heterometallomacrocycles, the smallest of which is a [2 + 2] macrocycle, confirmed structurally for R = Et. The NMR spectroscopic data confirm the formation of symmetrical species, i.e. macrocyclic and not polymeric species. The distribution of products has been investigated using pulsed-field gradient spin-echo (PGSE) diffusion NMR spectroscopy, and indicates that the kinetic products from the reactions of 1, 2 or 3(L) with iron(II) are [Fe(n)L(n)](2n+) with n = 2, 3 or 4. For L = 1 and 2, these mixtures of products convert in solution to the thermodynamically favoured [Fe(2)L(2)](4+).
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Affiliation(s)
- Jonathon E Beves
- Department of Chemistry, University of Basel, Spitalstrasse 51, CH-4056 Basel, Switzerland
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28
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Constable EC. 2,2':6',2''-terpyridines: from chemical obscurity to common supramolecular motifs. Chem Soc Rev 2006; 36:246-53. [PMID: 17264927 DOI: 10.1039/b601166g] [Citation(s) in RCA: 502] [Impact Index Per Article: 27.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This tutorial review describes the use of 2,2':6',2''-terpyridine (tpy) metal-binding domains in supramolecular chemistry. The origins of tpy chemistry are described and the reasons for its current importance in supramolecular chemistry are explained. Examples of tpy compounds in a wide variety of supramolecular chemistry are presented. The content will be of interest to organic, inorganic, supramolecular and nanoscale chemists.
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Affiliation(s)
- Edwin C Constable
- Department of Chemistry, University of Basel, Spitalstrasse 51, CH4056 Basel, Switzerland.
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Constable EC, Dunphy EL, Housecroft CE, Kylberg W, Neuburger M, Schaffner S, Schofield ER, Smith CB. Structural Development of Free or Coordinated 4′-(4-Pyridyl)-2,2′:6′,2′′-terpyridine Ligands through N-Alkylation: New Strategies for Metallamacrocycle Formation. Chemistry 2006; 12:4600-10. [PMID: 16557628 DOI: 10.1002/chem.200600069] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A series of N-alkylated derivatives of [Ru(pytpy)(2)]2+ (pytpy=4'-(4-pyridyl)-2,2':6',2''-terpyridine) has been synthesised and characterised. These include both model and functionalised complexes that complement previously reported iron(II) analogues. Reaction of [Ru(pytpy)(2)]2+ with bis[4-(bromomethyl)phenyl]methane leads to the formation of a [2+2] ruthenamacrocycle. Related ferramacrocycles could not be accessed by this route, and instead were prepared in two steps by first reacting bis[4-(bromomethyl)phenyl]methane or 4,4'-bis(bromomethyl)biphenyl with two equivalents of pytpy, and then treating the resulting bis(N-alkylated) product with iron(II) salts.
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Affiliation(s)
- Edwin C Constable
- Department of Chemistry, University of Basel, Spitalstrasse 51, 4056 Basel, Switzerland.
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Chow HS, Constable EC, Housecroft CE, Neuburger M, Schaffner S. Linear and macrocyclic ruthenium(II) complexes containing bis(2,2′:6′,2″-terpyridine) ligands with flexible, naphthalene-centred spacers. Polyhedron 2006. [DOI: 10.1016/j.poly.2005.11.027] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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31
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Platinamacrocycles containing 2,5-thiophenediyl and poly(2,5-thiophenediyl)-linked azaaromatic ligands: New structural paradigms for metallosupramolecular chemistry. Polyhedron 2006. [DOI: 10.1016/j.poly.2005.12.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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32
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Hwang SH, Moorefield CN, Wang P, Fronczek FR, Courtney BH, Newkome GR. Design, synthesis and photoelectrochemical properties of hexagonal metallomacrocycles based on triphenylamine: [M6(4,4′-bis(2,2′:6′,2″-terpyridinyl)triphenylamine)6(X)12]; [M = Fe(ii), PF6−and Zn(ii), BF4−]. Dalton Trans 2006:3518-22. [PMID: 16855752 DOI: 10.1039/b603691k] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthesis of a novel bis(terpyridine) ligand, 4,4'-bis(2,2':6',2''-terpyridinyl)triphenylamine, utilizing triphenylamine, as a specific angle controller, has led to the self-assembly of a unique hexagonal metallomacrocycle family, [Fe6(2)6(PF6)12] and [Zn6(2)6(BF4)12], utilizing terpyridine-metal(II)-terpyridine connectivity. The crystal structure of the novel ligand shows that the angle between the two terpyridinyl moieties is 119.69 degrees , which enabled the formation of the hexagonal-shaped macrocycles. The crystal packing architectures of this starting ligand revealed channels induced by solvent encapsulation. Following complexation of this ligand with transition metals [Fe(II) or Zn(II)] in a one-pot reaction, the resultant structures were characterized by (1)H and (13)C NMR, UV/Vis and mass spectroscopies. The expected metal-to-ligand charge transfer (MLCT; lambda(max) = 582 nm) and emission (lambda(em) = 575 nm) characteristics were exhibited by both [Fe6(2)6(PF6)12] and[Zn6(2)6(BF4)12]. The photoelectrochemical characteristics of these hexagonal metallomacrocycles demonstrate that they can be used as sensitizers in dye-sensitized solar cells.
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Affiliation(s)
- Seok-Ho Hwang
- Departments of Polymer Science and Chemistry, University of Akron, Akron, OH 44325-3909, USA
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33
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Wang Q, Day P, Griffiths JP, Nie H, Wallis JD. Synthetic strategies for preparing BEDT-TTF derivatives functionalised with metal ion binding groups. NEW J CHEM 2006. [DOI: 10.1039/b606715h] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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