1
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Tremlett WDJ, Söhnel T, Crowley JD, Wright LJ, Hartinger CG. Ferrocene-Derived Palladium(II)-Based Metallosupramolecular Structures: Synthesis, Guest Interaction, and Stimulus-Responsiveness Studies. Inorg Chem 2023; 62:3616-3628. [PMID: 36791401 DOI: 10.1021/acs.inorgchem.2c04399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Using ferrocene-based ligand systems, a series of heterobimetallic architectures of the general formula [PdmLn]x+ were designed with the aim of installing an opening and closing mechanism that would allow the release and binding of guest molecules. Palladium complex formation was achieved through coordination to pyridyl groups, and using 2-, 3-, and 4-pyridyl derivatives provided access to defined PdL, PdL2, and Pd2L4 structures, respectively. The supramolecular complexes were characterized using nuclear magnetic resonance (NMR) and infrared spectroscopy, mass spectrometry, and elemental analysis, and for some examples density functional theory calculations and single-crystal X-ray diffraction analysis. 1H NMR spectroscopy was used to investigate disassembly and reassembly of the metallosupramolecular structures. The former was induced by cleavage of the relatively labile Pd-Npyridyl bonds with the introduction of the competing ligands N,N'-dimethylaminopyridine (DMAP) and Cl- (using tetrabutylammonium chloride) to yield [Pd(DMAP)4]2+ and [PdCl4]2-, respectively. The process was found to be reversible for several of the heterodimetallic compounds, with the addition of H+ or Ag+ triggering complex reassembly. Guest binding studies with several architectures revealed interactions with the anionic guests p-toluenesulfonate and octyl sulfate, but not with neutral molecules. Furthermore, the release of guests was reversibly induced with Cl- ions as a stimulus.
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Affiliation(s)
- William D J Tremlett
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
| | - Tilo Söhnel
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
| | - James D Crowley
- Department of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - L James Wright
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
| | - Christian G Hartinger
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
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2
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Liu B, Xing P. Hydrogen Bonded Foldamers with Axial Chirality: Chiroptical Properties and Applications. Chemistry 2023; 29:e202202665. [PMID: 36281580 DOI: 10.1002/chem.202202665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/24/2022] [Accepted: 10/25/2022] [Indexed: 11/07/2022]
Abstract
Folding phenomenon refers to the formation of a specific conformation widely featured by the intramolecular interactions, which broadly exist in biomacromolecules, and are closely related to their structures and functions. A variety of oligomeric folded molecules have been designed and synthesized, namely "foldamer", exhibiting potentials in pharmaceutical and catalysis. Molecular folding is a promising strategy to transfer chirality from substituents to the whole skeleton, when chirality transfer, amplification, evolution, and other behaviors could be achieved. Investigating chirality using foldamer model deepens the understanding of the structure-function correlation in biomacromolecules and expands the molecular toolbox towards chiroptical and asymmetrical chemistry. Substitutes with abundant hydrogen bonding sites conjugated to a rotatable aryl group afford a parallel β-sheet-like conformation, which enables the emergence and manipulation of axial chirality. This concept aims to give a brief introduction and summary of the hydrogen bonded foldamers with anchored axial chirality, by taking some recent cases as examples. Design principles, control over axial chirality and applications are also reviewed.
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Affiliation(s)
- Bingyu Liu
- Key Laboratory of Colloid and Interface Chemistry of Ministry of Education and School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
| | - Pengyao Xing
- Key Laboratory of Colloid and Interface Chemistry of Ministry of Education and School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
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3
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Curran TP, Marrone A, Davidson LM, Pokharel N, Frempong JF, Tolbatov I, Phillip ML, Gober CB, Yang H, Stewart J. Parallel arrangement of peptides appended to a rigid, bimetallic, constrained ring system. Pept Sci (Hoboken) 2022. [DOI: 10.1002/pep2.24286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Alessandro Marrone
- Dipartimento di Farmacia Università degli Studi “G. D'Annunzio” Chieti‐Pescara Chieti Italy
| | | | | | | | - Iogann Tolbatov
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB) Université de Bourgogne Franche‐Comté (UBFC) Dijon France
| | | | - Cosmic B. Gober
- Department of Chemistry Trinity College Hartford Connecticut USA
| | - Haoyu Yang
- Department of Chemistry Trinity College Hartford Connecticut USA
| | - Joanne Stewart
- Department of Chemistry Hope College Holland Michigan USA
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4
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Kovač V, Kodrin I, Radošević K, Molčanov K, Adhikari B, Kraatz HB, Barišić L. Oxalamide-Bridged Ferrocenes: Conformational and Gelation Properties and In Vitro Antitumor Activity. Organometallics 2022. [DOI: 10.1021/acs.organomet.1c00661] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Veronika Kovač
- Department of Chemistry and Biochemistry, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia
| | - Ivan Kodrin
- Department of Organic Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102A, 10000 Zagreb, Croatia
| | - Kristina Radošević
- Department of Biochemical Engineering, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia
| | - Krešimir Molčanov
- Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička 54, 10000 Zagreb, Croatia
| | - Bimalendu Adhikari
- Department of Chemistry, National Institute of Technology, Rourkela, Sundargarh 769008, Odisha, India
| | - Heinz-Bernhard Kraatz
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario M1C 1A4, Canada
- Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario M5S 3H6, Canada
| | - Lidija Barišić
- Department of Chemistry and Biochemistry, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia
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5
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Moriuchi T. Helical Chirality of Ferrocene Moieties in Cyclic Ferrocene‐Peptide Conjugates. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100902] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Toshiyuki Moriuchi
- Division of Molecular Materials Science Graduate School of Science Osaka City University 3-3-138 Sugimoto, Sumiyoshi-ku Osaka 558-8585 Japan
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6
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Halder N, Sahoo KC, Gourav K, Usharani D, Rath H. Perimeter Coordinated Diastereomeric Rh(I) Complex of Helically Twisted Weakly Aromatic Hybrid Singly N-Confused β-β Fused Ferrocenoporphyrinoids. J Org Chem 2021; 86:8015-8026. [PMID: 34096714 DOI: 10.1021/acs.joc.1c00407] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Expedient synthesis, spectroscopic, solid state structural proof, and theoretical study of helically twisted weakly aromatic hybrid singly N-confused ferrocenoporphyrinoids and the peripheral coordinated Rh(I) complex are reported. The X-ray crystal structure of the macrocycles reveals an ambiguously inverted pyrrole ring reinforcing regioselective β,β-linkage with the spatially adjacent N-confused N-methyl pyrrole ring leading to endocyclic extension of macrocyclic π-conjugation via tricyclic [5.5.5] moiety. The three-dimensional structure with built-in fused tricyclic [5.5.5] moiety has paved way to three-dimensional weak diatropicity with vis-NIR absorptions. The peripheral coordinated Rh(I) complex owing to helical chirality about the macrocyclic ring and planar chirality about the square planar Rh coordination site exists as a mixture of diastereomers (5:3) with well resolved 1H NMR spectra anticipating weak aromaticity. The experimental spectroscopic measurements are in agreement with theoretically determined electronic structure and properties strongly elucidating sustained weak diatropic ring currents in twisted macrocycles both in neutral form and in the metalated complex. Further fragment molecular orbital approach and molecular orbital theory gave insights on the stability of N-confused β-β fused oxo-ferrocenoporphyrinoids and formation of the selective peripheral coordinated Rh(I) complex.
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Affiliation(s)
- Nyancy Halder
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Krushna Chandra Sahoo
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Kumar Gourav
- Department of Food Safety and Analytical Quality Control Laboratory, CSIR-Central Food Technological Research Institute, Mysuru 570020, Karnataka, India
| | - Dandamudi Usharani
- Department of Food Safety and Analytical Quality Control Laboratory, CSIR-Central Food Technological Research Institute, Mysuru 570020, Karnataka, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC, Ghaziabad 201002, Uttar Pradesh, India
| | - Harapriya Rath
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
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7
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Monomeric zinc ferrocene carboxylate [Zn(FcCOO)(3,5-dmp)2Cl] derived from 3,5-dimethylpyrazole: structural, optical, electrochemical and antimicrobial studies. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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8
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Román T, Ramirez D, Fierro-Medina R, Santillan R, Farfán N. Ferrocene and Organotin (IV) Conjugates Containing Amino Acids and Peptides: A Promising Strategy for Searching New Therapeutic and Diagnostic Tools. CURR ORG CHEM 2020. [DOI: 10.2174/1385272824999201001154259] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Organometallic complexes are an important class of synthetic reagents and are of
great interest due to their versatility and wide biological application. The cationic nature of the
coordination nucleus facilitates its interaction with biological molecules such as amino acids,
proteins, and nucleic acids. The functionalization of peptides or amino acids with organometallic
motifs is a novel strategy for the design and development of molecules with greater biological
activity, stability in biological environments, and selectivity for specific targets, which
make them valuable tools for designing and obtaining molecules with therapeutic applications.
The physicochemical properties of ferrocene make it ideal for drug development, due to its
structure, stability in aqueous solutions, redox properties, and low toxicity. In the same way,
organotin (IV) derivatives have great potential for drug development because of their multiple
biological activities, wide structural versatility, high degree of stability, and low toxicity.
However, the synthesis of these drugs based on organometallic molecules containing ferrocene or organotin (IV) is
quite complex and represents a challenge nowadays; for this reason, it is necessary to design and implement procedures
to obtain molecules with a high degree of purity, in sufficient quantities, and at low cost. This review describes
the strategies of synthesis used up to now for the preparation of organometallic amino acids and peptides
containing ferrocene or organotin (IV) derivates, as well as their impact on the development of therapeutic agents.
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Affiliation(s)
- Tatiana Román
- Departamento de Farmacia, Universidad Nacional de Colombia, Carrera 45 # 26-85, Bogota D.C., Colombia
| | - David Ramirez
- Departamento de Quimica. Facultad de Ciencias, Universidad Nacional de Colombia, Carrera 45 # 26-85, Bogota D.C., Colombia
| | - Ricardo Fierro-Medina
- Departamento de Quimica. Facultad de Ciencias, Universidad Nacional de Colombia, Carrera 45 # 26-85, Bogota D.C., Colombia
| | - Rosa Santillan
- Departamento de Quimica, Centro de Investigacion y de Estudios Avanzados del IPN, Av Instituto Politecnico Nacional 2508, San Pedro Zacatenco, Gustavo A. Madero, 07360 Ciudad de Mexico, CDMX, Mexico
| | - Norberto Farfán
- Facultad de Quimica, Departamento de Quimica Organica, Universidad Nacional Autonoma de Mexico, Av. Universidad 3000, Circuito Exterior S/N Delegacion Coyoacan, C.P. 04510 Ciudad Universitaria, Ciudad de Mexico, CDMX, Mexico
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9
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Müller-Bomke S, Sperling M, Hayen H, Karst U. Biolabeling with cobaltocinium tags. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 2018. [DOI: 10.1515/znb-2018-0093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
A label for amino and thiol functionalities of peptides and proteins based on the activated cobaltocinium hexafluorophosphate succinimide ester (CoS) is presented. Despite the known selectivity of a succinimide ester towards amines, CoS also modifies cysteine residues under the same reaction conditions. The derivatized biomolecules were investigated using liquid chromatography with subsequent electrospray-mass spectrometric detection (LC/ESI-MS). In combination with their remarkable stability under physiological conditions, easy handling and good spectroscopic properties, cobaltocinium ions provide all requirements for a powerful labeling reagent. Furthermore, in direct comparison to the isoelectronic well-established ferrocene reagents, the higher redox potential and the chemical stability of the cobaltocinium moiety add to the benefits as a derivatizing agent for bioanalysis.
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Affiliation(s)
- Susanne Müller-Bomke
- Westfälische Wilhelms-Universität Münster, Institute of Inorganic and Analytical Chemistry , Corrensstraße 30 , 48149 Münster , Germany
| | - Michael Sperling
- Westfälische Wilhelms-Universität Münster, Institute of Inorganic and Analytical Chemistry , Corrensstraße 30 , 48149 Münster , Germany
| | - Heiko Hayen
- Westfälische Wilhelms-Universität Münster, Institute of Inorganic and Analytical Chemistry , Corrensstraße 30 , 48149 Münster , Germany
| | - Uwe Karst
- Westfälische Wilhelms-Universität Münster, Institute of Inorganic and Analytical Chemistry , Corrensstraße 30 , 48149 Münster , Germany
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10
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Abstract
Considerable attention has been given to the research field of bioorganometallic chemistry, which is a hybrid chemistry field between biology and organometallic chemistry. The introduction of biomolecules, which have hydrogen bonding sites and chiral centers, into organometallic compounds is a promising strategy to construct chirality-organized bioorganometallic conjugates. This feature paper sketches an outline of induction of helical chirality into bioorganometallic conjugates by the control of a torsional twist of the organometallic moiety. Topics covered included control of the helical chirality of 1,n′-disubstituted ferrocene moieties in ferrocene-dipeptide conjugates, and the chirality induction of the Au(I)–Au(I) axis in the dinuclear organogold(I)-uracil conjugates.
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11
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Chanawanno K, Blesener TS, Schrage BR, Nemykin VN, Herrick RS, Ziegler CJ. Amino acid ferrocene conjugates using sulfonamide linkages. J Organomet Chem 2018; 870:121-129. [PMID: 31105336 DOI: 10.1016/j.jorganchem.2018.06.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
This report presents the synthesis and characterization of mono- and bis(amino acid ester) ferrocene complexes generated using a sulfonamide linking strategy as an alternative to the more heavily explored amide linking strategy. These compounds were investigated to test their ability to form hydrogen bonding interactions both in the solid state and in solution, and were compared to the previously observed intramolecular interstrand crosslinking seen in amide-linked ferrocene constructs. Synthesized compounds also included controls that do not exhibit sulfonamide N-H bonds and thus cannot engage in hydrogen bonding. In the solid state, we observe both S=O⋯H-N and C=O⋯H-N intermolecular interactions, but we do not observe any intramolecular interstrand hydrogen bonding. In the solution phase, we also do not see any intramolecular hydrogen bonding interactions in these compounds as measured by titration of d6-DMSO as a competitive hydrogen bonding reagent. We also collected CD spectra on these compounds, which revealed that the chiral peptides can induce dichroism in the dd transition of the ferrocene units. Our results indicate that the peptide-ferrocene linking group governs whether intermolecular hydrogen bonding interactions can occur between the amino acids adjacent to the cyclopentadienyl groups.
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Affiliation(s)
- K Chanawanno
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand.,Environmental Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - T S Blesener
- Department of Chemistry, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada
| | - B R Schrage
- Department of Chemistry, University of Akron, Akron, OH, 44312-3601, USA
| | - V N Nemykin
- Department of Chemistry, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada
| | - R S Herrick
- Department of Chemistry, College of the Holy Cross, 1 College St, Worcester, MA, 01610, USA
| | - C J Ziegler
- Department of Chemistry, University of Akron, Akron, OH, 44312-3601, USA
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12
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Falcone N, Kraatz HB. Supramolecular Assembly of Peptide and Metallopeptide Gelators and Their Stimuli-Responsive Properties in Biomedical Applications. Chemistry 2018; 24:14316-14328. [DOI: 10.1002/chem.201801247] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 04/17/2018] [Indexed: 01/24/2023]
Affiliation(s)
- Natashya Falcone
- Department of Chemical Engineering and Applied Chemistry; University of Toronto; 200 College St M5S 3E5 Toronto Canada
- Department of Physical and Environmental Science; University of Toronto Scarborough; 1065 Military Trail M1C 1A4 Toronto Canada
| | - Heinz-Bernhard Kraatz
- Department of Chemical Engineering and Applied Chemistry; University of Toronto; 200 College St M5S 3E5 Toronto Canada
- Department of Physical and Environmental Science; University of Toronto Scarborough; 1065 Military Trail M1C 1A4 Toronto Canada
- Department of Chemistry; University of Toronto; 80 St. George St M5S 3H6 Toronto Canada
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13
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Ferranco A, Sun K, Udaipaul T, Kraatz H. Metal Coordination to Unsymmetric 1,
n′
‐Disubstituted Ferrocene Histidine Peptides. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800455] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Annaleizle Ferranco
- Department of Physical and Environmental Sciences University of Toronto 1265 Military Trail M1C 1A4 Toronto Canada
- Department of Chemistry University of Toronto Scarborough 80 St. George Street M5S 3H6 Toronto Ontario Canada
| | - Keija Sun
- Department of Chemistry University of Toronto Scarborough 80 St. George Street M5S 3H6 Toronto Ontario Canada
| | - Theodore Udaipaul
- Department of Chemistry University of Toronto Scarborough 80 St. George Street M5S 3H6 Toronto Ontario Canada
| | - Heinz‐Bernhard Kraatz
- Department of Physical and Environmental Sciences University of Toronto 1265 Military Trail M1C 1A4 Toronto Canada
- Department of Chemistry University of Toronto Scarborough 80 St. George Street M5S 3H6 Toronto Ontario Canada
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14
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Kovačević M, Kodrin I, Roca S, Molčanov K, Shen Y, Adhikari B, Kraatz H, Barišić L. Helically Chiral Peptides That Contain Ferrocene‐1,1′‐diamine Scaffolds as a Turn Inducer. Chemistry 2017; 23:10372-10395. [DOI: 10.1002/chem.201701602] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Indexed: 01/08/2023]
Affiliation(s)
- Monika Kovačević
- Department of Chemistry and BiochemistryFaculty of Food Technology and BiotechnologyUniversity of Zagreb Pierottijeva 6 Zagreb Croatia
| | - Ivan Kodrin
- Department of ChemistryFaculty of ScienceUniversity of Zagreb Horvatovac 102a Zagreb Croatia
| | - Sunčica Roca
- NMR CentreRuđer Bošković Institute Bijenička cesta 54 Zagreb Croatia
| | - Krešimir Molčanov
- Division of Physical ChemistryRuđer Bošković Institute Bijenička cesta 54 Zagreb Croatia
| | - Yuning Shen
- Department of Physical and Environmental SciencesUniversity of Toronto 1265 Military Trail Toronto M1C 1 A4 Canada
| | - Bimalendu Adhikari
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, S. A. S. Nagar, Manauli PO Punjab 140306 India
| | - Heinz‐Bernhard Kraatz
- Department of Physical and Environmental SciencesUniversity of Toronto 1265 Military Trail Toronto M1C 1 A4 Canada
- Department of ChemistryUniversity of Toronto 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Lidija Barišić
- Department of Chemistry and BiochemistryFaculty of Food Technology and BiotechnologyUniversity of Zagreb Pierottijeva 6 Zagreb Croatia
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15
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Metallomacromolecules containing cobalt sandwich complexes: Synthesis and functional materials properties. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.02.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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16
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Ferranco A, Basak S, Lough A, Kraatz HB. Metal coordination of ferrocene–histidine conjugates. Dalton Trans 2017; 46:4844-4859. [PMID: 28349138 DOI: 10.1039/c7dt00456g] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Synthesis and complete structural characterization of ferrocene–histidine dipeptides including detailed analysis of the ligand–metal complexation.
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Affiliation(s)
- Annaleizle Ferranco
- Department of Physical and Environmental Sciences
- University of Toronto
- Toronto
- M1C 1A4 Canada
- Department of Chemistry
| | - Shibaji Basak
- Department of Physical and Environmental Sciences
- University of Toronto
- Toronto
- M1C 1A4 Canada
- Department of Chemistry
| | - Alan Lough
- Department of Chemistry
- University of Toronto
- Toronto
- M5S 3H6 Canada
| | - Heinz-Bernhard Kraatz
- Department of Physical and Environmental Sciences
- University of Toronto
- Toronto
- M1C 1A4 Canada
- Department of Chemistry
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17
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Meola G, Braband H, Schmutz P, Benz M, Spingler B, Alberto R. Bis-Arene Complexes [Re(η6-arene)2]+ as Highly Stable Bioorganometallic Scaffolds. Inorg Chem 2016; 55:11131-11139. [DOI: 10.1021/acs.inorgchem.6b01748] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Giuseppe Meola
- Department of Chemistry, University of Zürich, Winterthurerstrasse
190, CH-8057 Zürich, Switzerland
| | - Henrik Braband
- Department of Chemistry, University of Zürich, Winterthurerstrasse
190, CH-8057 Zürich, Switzerland
| | - Paul Schmutz
- Department of Chemistry, University of Zürich, Winterthurerstrasse
190, CH-8057 Zürich, Switzerland
| | - Michael Benz
- Department of Chemistry, University of Zürich, Winterthurerstrasse
190, CH-8057 Zürich, Switzerland
| | - Bernhard Spingler
- Department of Chemistry, University of Zürich, Winterthurerstrasse
190, CH-8057 Zürich, Switzerland
| | - Roger Alberto
- Department of Chemistry, University of Zürich, Winterthurerstrasse
190, CH-8057 Zürich, Switzerland
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18
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Albada B, Metzler-Nolte N. Organometallic–Peptide Bioconjugates: Synthetic Strategies and Medicinal Applications. Chem Rev 2016; 116:11797-11839. [DOI: 10.1021/acs.chemrev.6b00166] [Citation(s) in RCA: 149] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Bauke Albada
- Laboratory of Organic Chemistry, Wageningen University & Research, Stippeneng 4, 6708 WE Wageningen, The Netherlands
| | - Nils Metzler-Nolte
- Inorganic
Chemistry I − Bioinorganic Chemistry, Ruhr University Bochum, Universitätsstrasse 150, 44780-D Bochum, Germany
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19
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Senthilkumar K, Gopalakrishnan M, Palanisami N. Monomeric mixed cadmium-2,2'-dipyridylamine complex derived from ferrocenecarboxylic acid: Structural, electrochemical and biological studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 148:156-162. [PMID: 25879985 DOI: 10.1016/j.saa.2015.03.133] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 03/21/2015] [Accepted: 03/27/2015] [Indexed: 06/04/2023]
Abstract
A mixed Cd(II) complex {[Cd(FcCOO)2(dpyam)(H2O)][Cd(dpyam)2 (H2O)2]·(ClO4)2·CH3OH} (1) (where FcCOO=ferrocenecarboxylic acid and dpyam=2,2'-dipyridylamine), has been synthesized and characterized by FT-IR, (1)H &(13)C NMR, UV-Vis spectroscopy and elemental analysis. The molecular structure of compound 1 has been determined by the single crystal X-ray diffraction technique, which consists of mixed two different cadmium(II) complexes and two uncoordinated perchlorate ions. The crystal packing shows that the compound 1 self-assembled by intermolecular hydrogen bonding via pyridyl N-H⋯O and coordinated water O⋯H-O-H⋯O, to afford the molecule 2D supramolecular network. Compound 1 exhibits high-energy intraligand (π-π(∗)) fluorescence emission. In electrochemical studies of compound 1 shows negative potential compared with ferrocenecarboxylic acid due to formation of coordination complex with Cd ions. The antibacterial study against the distinct bacterial strains show compound 1 has significant activity.
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Affiliation(s)
- Kabali Senthilkumar
- Materials Chemistry Division, School of Advanced Sciences, VIT University, Vellore 632014, Tamilnadu, India
| | - Mohan Gopalakrishnan
- Materials Chemistry Division, School of Advanced Sciences, VIT University, Vellore 632014, Tamilnadu, India
| | - Nallasamy Palanisami
- Materials Chemistry Division, School of Advanced Sciences, VIT University, Vellore 632014, Tamilnadu, India.
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Ferrocenyl pseudo-dipeptides derived from 1,2-O-isopropylidene-α-D-xylofuranose: Synthesis, electrochemistry and cytotoxicity evaluation. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2014.10.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Adhikari B, Lough AJ, Barker B, Shah A, Xiang C, Kraatz HB. Bis-amino Acid Derivatives of 1,1′-Ferrocenedicarboxylic Acid: Structural, Electrochemical, and Metal Ion Binding Studies. Organometallics 2014. [DOI: 10.1021/om500032p] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Bimalendu Adhikari
- Department
of Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, M1C 1 A4 Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6 Canada
| | - Alan J. Lough
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6 Canada
| | - Bryan Barker
- Department
of Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, M1C 1 A4 Canada
| | - Afzal Shah
- Department
of Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, M1C 1 A4 Canada
- Department
of Chemistry, Quaid-i-Azam University, 45320 Islamabad, Pakistan
| | - Cuili Xiang
- Department
of Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, M1C 1 A4 Canada
| | - Heinz-Bernhard Kraatz
- Department
of Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, M1C 1 A4 Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6 Canada
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1′-Acetylferrocene amino acid esters and amides. A simple model for parallel β-helical peptides. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.02.047] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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23
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Beheshti S, Martić S, Kraatz HB. Hierarchical Organization of Ferrocene-Peptides. Chemistry 2012; 18:9099-105. [DOI: 10.1002/chem.201200666] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Revised: 04/24/2012] [Indexed: 01/09/2023]
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24
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Moriuchi T, Morimoto K, Sakamoto Y, Hirao T. Molecular Structures of Dipeptide–Palladium(II) Conjugated Complexes. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201200155] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Toshiyuki Moriuchi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamada‐oka, Suita, Osaka 565‐0871, Japan, Fax: +81‐6‐6879‐7415
| | - Kunihiro Morimoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamada‐oka, Suita, Osaka 565‐0871, Japan, Fax: +81‐6‐6879‐7415
| | - Yuki Sakamoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamada‐oka, Suita, Osaka 565‐0871, Japan, Fax: +81‐6‐6879‐7415
| | - Toshikazu Hirao
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamada‐oka, Suita, Osaka 565‐0871, Japan, Fax: +81‐6‐6879‐7415
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Corry AJ, Goel A, Kenny PT. The synthesis and structural characterization of N-(ferrocenyl)2 and N-(ferrocenoyl)2 cystine dimethyl ester derivatives: Potential anion sensing agents. Inorganica Chim Acta 2012. [DOI: 10.1016/j.ica.2011.12.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Barišić L, Kovačević M, Mamić M, Kodrin I, Mihalić Z, Rapić V. Synthesis and Conformational Analysis of Methyl N-Alanyl-1′-aminoferrocene-1-carboxylate. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201101270] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Synthesis and characterization of unsymmetrical disubstituted ferrocenes possessing hydroxyl group as a new donor/acceptor of hydrogen bond. J Mol Struct 2011. [DOI: 10.1016/j.molstruc.2011.01.047] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Beheshti S, Lataifeh A, Kraatz HB. Hydrogen-bonding interactions in ferrocene-peptide conjugates containing valine. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2010.10.061] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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31
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Beeren SR, Sanders JKM. Ferrocene-amino acid macrocycles as hydrazone-based receptors for anions. Chem Sci 2011. [DOI: 10.1039/c1sc00168j] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Martić S, Labib M, Shipman PO, Kraatz HB. Ferrocene-peptido conjugates: From synthesis to sensory applications. Dalton Trans 2011; 40:7264-90. [DOI: 10.1039/c0dt01707h] [Citation(s) in RCA: 111] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Cheng LY, Long YT, Tian H, Kraatz HB. Spectroscopic and Electrochemical Investigations into the Interactions of Metal Ions with a Ferrocenoyl-Histidine Peptide Conjugate. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.201000658] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Stavrakov G, Philipova I, Ivanova B, Dimitrov V. Highly diastereoselective ortho-lithiation of chiral ferrocenecarboxamides. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/j.tetasy.2010.06.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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35
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Lapić J, Djaković S, Kodrin I, Mihalić Z, Cetina M, Rapić V. Preparation and Conformation Analysis ofN-(Ferrocenoyl)dipeptide Esters and Their 1′-Acetyl Derivatives. European J Org Chem 2010. [DOI: 10.1002/ejoc.200901435] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Lataifeh A, Beheshti S, Kraatz H. Designer Peptides: Attempt to Control Peptide Structure by Exploiting Ferrocene as a Scaffold. Eur J Inorg Chem 2009. [DOI: 10.1002/ejic.200900268] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Anas Lataifeh
- Department of Chemistry, University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada, Fax: +1‐519‐661‐3022
| | - Samaneh Beheshti
- Department of Chemistry, University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada, Fax: +1‐519‐661‐3022
| | - Heinz‐Bernhard Kraatz
- Department of Chemistry, University of Western Ontario, 1151 Richmond Street, London, Ontario, N6A 5B7, Canada, Fax: +1‐519‐661‐3022
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37
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Corry AJ, Mooney Á, O’Sullivan D, Kenny PT. Synthesis, characterization and in vitro anti-cancer activity of N-(ferrocenyl)benzoyl tri- and tetrapeptide esters. Inorganica Chim Acta 2009. [DOI: 10.1016/j.ica.2009.01.021] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Pinto A, Hoffmanns U, Ott M, Fricker G, Metzler-Nolte N. Modification with Organometallic Compounds Improves Crossing of the Blood-Brain Barrier of [Leu5]-Enkephalin Derivatives in an In Vitro Model System. Chembiochem 2009; 10:1852-60. [DOI: 10.1002/cbic.200900157] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Sudhir VS, Venkateswarlu C, Musthafa OTM, Sampath S, Chandrasekaran S. Click Chemistry Inspired Synthesis of Novel Ferrocenyl-Substituted Amino Acids or Peptides. European J Org Chem 2009. [DOI: 10.1002/ejoc.200801266] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Corry AJ, O’Donovan N, Mooney Á, O’Sullivan D, Rai DK, Kenny PT. Synthesis, structural characterization, in vitro anti-proliferative effect and cell cycle analysis of N-(ferrocenyl)benzoyl dipeptide esters. J Organomet Chem 2009. [DOI: 10.1016/j.jorganchem.2008.09.072] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Drexler C, Milne M, Morgan E, Jennings M, Kraatz HB. Synthesis and characterization of new ferrocene peptide conjugates. Dalton Trans 2009:4370-8. [DOI: 10.1039/b817670a] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Moriuchi T, Fujiwara T, Hirao T. β-Turn-structure-assembled palladium complexes by complexation-induced self-organization of ferrocene–dipeptide conjugates. Dalton Trans 2009:4286-8. [DOI: 10.1039/b817652c] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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45
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Köster SD, Dittrich J, Gasser G, Hüsken N, Henao Castañeda IC, Jios JL, Della Védova CO, Metzler-Nolte N. Spectroscopic and Electrochemical Studies of Ferrocenyl Triazole Amino Acid and Peptide Bioconjugates Synthesized by Click Chemistry. Organometallics 2008. [DOI: 10.1021/om800639m] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- S. David Köster
- Lehrstuhl für Anorganische Chemie I−Bioanorganische Chemie, Fakultät für Chemie and Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, D-44801 Bochum, Germany, and Laboratorio de Servicios a la Industria y al Sistema Científico CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Calles 47 esq, 115, B1900AJL La Plata, Argentina
| | - Jan Dittrich
- Lehrstuhl für Anorganische Chemie I−Bioanorganische Chemie, Fakultät für Chemie and Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, D-44801 Bochum, Germany, and Laboratorio de Servicios a la Industria y al Sistema Científico CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Calles 47 esq, 115, B1900AJL La Plata, Argentina
| | - Gilles Gasser
- Lehrstuhl für Anorganische Chemie I−Bioanorganische Chemie, Fakultät für Chemie and Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, D-44801 Bochum, Germany, and Laboratorio de Servicios a la Industria y al Sistema Científico CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Calles 47 esq, 115, B1900AJL La Plata, Argentina
| | - Nina Hüsken
- Lehrstuhl für Anorganische Chemie I−Bioanorganische Chemie, Fakultät für Chemie and Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, D-44801 Bochum, Germany, and Laboratorio de Servicios a la Industria y al Sistema Científico CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Calles 47 esq, 115, B1900AJL La Plata, Argentina
| | - Isabel C. Henao Castañeda
- Lehrstuhl für Anorganische Chemie I−Bioanorganische Chemie, Fakultät für Chemie and Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, D-44801 Bochum, Germany, and Laboratorio de Servicios a la Industria y al Sistema Científico CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Calles 47 esq, 115, B1900AJL La Plata, Argentina
| | - Jorge L. Jios
- Lehrstuhl für Anorganische Chemie I−Bioanorganische Chemie, Fakultät für Chemie and Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, D-44801 Bochum, Germany, and Laboratorio de Servicios a la Industria y al Sistema Científico CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Calles 47 esq, 115, B1900AJL La Plata, Argentina
| | - Carlos O. Della Védova
- Lehrstuhl für Anorganische Chemie I−Bioanorganische Chemie, Fakultät für Chemie and Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, D-44801 Bochum, Germany, and Laboratorio de Servicios a la Industria y al Sistema Científico CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Calles 47 esq, 115, B1900AJL La Plata, Argentina
| | - Nils Metzler-Nolte
- Lehrstuhl für Anorganische Chemie I−Bioanorganische Chemie, Fakultät für Chemie and Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, D-44801 Bochum, Germany, and Laboratorio de Servicios a la Industria y al Sistema Científico CEQUINOR (UNLP-CONICET), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Calles 47 esq, 115, B1900AJL La Plata, Argentina
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de Hatten X, Bothe E, Merz K, Huc I, Metzler-Nolte N. A Ferrocene-Peptide Conjugate as a Hydrogenase Model System. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200800566] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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47
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Chowdhury S, Schatte G, Kraatz HB. How Useful Is Ferrocene as a Scaffold for the Design of β-Sheet Foldamers? Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200801460] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Chowdhury S, Schatte G, Kraatz HB. How Useful Is Ferrocene as a Scaffold for the Design of β-Sheet Foldamers? Angew Chem Int Ed Engl 2008; 47:7056-9. [DOI: 10.1002/anie.200801460] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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50
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Mercury binding by ferrocenoyl peptides with sulfur-containing side chains: Electrochemical, spectroscopic and structural studies. J Organomet Chem 2008. [DOI: 10.1016/j.jorganchem.2008.06.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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