1
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Tomczyk MD, Kuźnik N, Walczak K. Cyclen-based artificial nucleases: Three decades of development (1989–2022). Part a – Hydrolysis of phosphate esters. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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2
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Walker AN, Ayala MA, Mondal S, Bergagnini MC, Bui PJD, Chidester SN, Doeden CI, Esjornson L, Sweany BR, Garcia L, Krause JA, Oliver AG, Prior TJ, Hubin TJ. A Bridge too Far? Comparison of Transition Metal Complexes of Dibenzyltetraazamacrocycles with and without Ethylene Cross-Bridges: X-ray Crystal Structures, Kinetic Stability, and Electronic Properties. Molecules 2023; 28:895. [PMID: 36677952 PMCID: PMC9863842 DOI: 10.3390/molecules28020895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 01/18/2023] Open
Abstract
Tetraazamacrocycles, cyclic molecules with four nitrogen atoms, have long been known to produce highly stable transition metal complexes. Cross-bridging such molecules with two-carbon chains has been shown to enhance the stability of these complexes even further. This provides enough stability to use the resulting compounds in applications as diverse and demanding as aqueous, green oxidation catalysis all the way to drug molecules injected into humans. Although the stability of these compounds is believed to result from the increased rigidity and topological complexity imparted by the cross-bridge, there is insufficient experimental data to exclude other causes. In this study, standard organic and inorganic synthetic methods were used to produce unbridged dibenzyl tetraazamacrocycle complexes of Co, Ni, Cu, and Zn that are analogues of known cross-bridged tetraazamacrocycles and their transition metal complexes to allow direct comparison of molecules that are identical except for the cross-bridge. The syntheses of the known tetraazamacrocycles and the new transition metal complexes were successful with high yields and purity. Initial chemical characterization of the complexes was conducted by UV-Visible spectroscopy, while cyclic voltammetry showed more marked differences in electronic properties from bridged versions. Direct comparison studies of the unbridged and bridged compounds' kinetic stabilities, as demonstrated by decomposition using high acid concentration and elevated temperature, showed that the cyclen-based complex stability did not benefit from cross-bridging. This is likely due to poor complementarity with the Cu2+ ion while cyclam-based complexes benefited greatly. We conclude that ligand-metal complementarity must be maintained in order for the topological and rigidity constraints imparted by the cross-bridge to contribute significantly to complex robustness.
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Affiliation(s)
- Ashlie N. Walker
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
| | - Megan A. Ayala
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
| | - Somrita Mondal
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
| | - Mackenzie C. Bergagnini
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
| | - Phuong John D. Bui
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
| | - Stephanie N. Chidester
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
| | - Chad I. Doeden
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
| | - Louise Esjornson
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
| | - Brian R. Sweany
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
| | - Leslie Garcia
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
| | - Jeanette A. Krause
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45220, USA
| | - Allen G. Oliver
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Timothy J. Prior
- Department of Chemistry, School of Natural Sciences, University of Hull, Kingston Upon Hull HU6 7RX, UK
| | - Timothy J. Hubin
- Department of Chemistry and Physics, Southwestern Oklahoma State University, Weatherford, OK 73096, USA
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3
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Grieve ML, Davey PRWJ, Forsyth CM, Paterson BM. The Synthesis of a Bis(thiosemicarbazone) Macrocyclic Ligand and the Mn(II), Co(II), Zn(II) and 68Ga(III) Complexes. Molecules 2021; 26:3646. [PMID: 34203751 PMCID: PMC8232287 DOI: 10.3390/molecules26123646] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/10/2021] [Accepted: 06/11/2021] [Indexed: 11/28/2022] Open
Abstract
A 1,4,7,10-tetraazacyclododecane (cyclen) variant bearing two thiosemicarbazone pendant groups has been prepared. The ligand forms complexes with Mn2+, Co2+ and Zn2+. X-ray crystallography of the Mn2+, Co2+ and Zn2+ complexes showed that the ligand provides a six-coordinate environment for the metal ions. The Mn2+ and Zn2+ complexes exist in the solid state as racemic mixtures of the Δ(δ,δ,δ,δ)/Λ(λ,λ,λ,λ) and Δ(λ,λ,λ,λ)/Λ(δ,δ,δ,δ) diastereomers, and the Co2+ complex exists as the Δ(δ,δ,δ,δ)/Λ(λ,λ,λ,λ) and Δ(λ,λ,λ,δ)/Λ(δ,δ,δ,λ) diastereomers. Density functional theory calculations indicated that the relative energies of the diastereomers are within 10 kJ mol-1. Magnetic susceptibility of the complexes indicated that both the Mn2+ and Co2+ ions are high spin. The ligand was radiolabelled with gallium-68, in the interest of developing new positron emission tomography imaging agents, which produced a single species in high radiochemical purity (>95%) at 90 °C for 10 min.
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Affiliation(s)
- Melyssa L. Grieve
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia; (M.L.G.); (P.R.W.J.D.); (C.M.F.)
| | - Patrick R. W. J. Davey
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia; (M.L.G.); (P.R.W.J.D.); (C.M.F.)
| | - Craig M. Forsyth
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia; (M.L.G.); (P.R.W.J.D.); (C.M.F.)
| | - Brett M. Paterson
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia; (M.L.G.); (P.R.W.J.D.); (C.M.F.)
- Monash Biomedical Imaging, Monash University, Clayton, VIC 3800, Australia
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4
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Knighton RC, Troadec T, Mazan V, Le Saëc P, Marionneau-Lambot S, Le Bihan T, Saffon-Merceron N, Le Bris N, Chérel M, Faivre-Chauvet A, Elhabiri M, Charbonnière LJ, Tripier R. Cyclam-Based Chelators Bearing Phosphonated Pyridine Pendants for 64Cu-PET Imaging: Synthesis, Physicochemical Studies, Radiolabeling, and Bioimaging. Inorg Chem 2021; 60:2634-2648. [PMID: 33496592 DOI: 10.1021/acs.inorgchem.0c03492] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein we present the preparation of two novel cyclam-based macrocycles (te1pyp and cb-te1pyp), bearing phosphonate-appended pyridine side arms for the coordination of copper(II) ions in the context of 64Cu PET imaging. The two ligands have been prepared through conventional protection-alkylation sequences on cyclam, and their coordination properties have been thoroughly investigated. The corresponding copper complexes have been fully characterized in the solid state (X-ray diffraction analysis) and in solution (EPR and UV-vis spectroscopies). Potentiometric studies combined with spectrometry have also allowed us to determine their thermodynamic stability constants, confirming their high affinity for copper(II) cations. The kinetic inertness of the complexes has been verified by acid-assisted dissociation experiments, enabling their use in 64Cu-PET imaging in mice for the first time. Indeed, the two ligands could be quantitatively radiolabeled under mild conditions, and the resulting 64Cu complexes have demonstrated excellent stability in serum. PET imaging demonstrated a set of features emerging from the combination of picolinates and phosphonate units: high stability in vivo, fast clearance from the body via renal elimination, and most interestingly, very low fixation in the liver. This is in contrast with what was observed for monopicolinate cyclam (te1pa), which had a non-negligible accumulation in the liver, owing probably to its different charge and lipophilicity. These results thus pave the way for the use of such phosphonated pyridine chelators for in vivo 64Cu-PET imaging.
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Affiliation(s)
- Richard C Knighton
- Univ. Brest, UMR CNRS 6521, 6 Avenue Victor Le Gorgeu, 29200 Brest, France
| | - Thibault Troadec
- Univ. Brest, UMR CNRS 6521, 6 Avenue Victor Le Gorgeu, 29200 Brest, France
| | - Valérie Mazan
- Université de Strasbourg, CNRS, UMR 7042-LIMA, Equipe de Chimie Bioorganique et Médicinale, ECPM, 25 rue Becquerel, Strasbourg 67087, France
| | - Patricia Le Saëc
- Université de Nantes, CHRU de Nantes, Centre de Recherche en Cancérologie et Immunologie Nantes Angers (CRCINA), Unité INSERM 1232-CNRS 6299, 8 quai Moncousu, BP 70721, 44007 Nantes Cedex, France
| | - Séverine Marionneau-Lambot
- Université de Nantes, CHRU de Nantes, Centre de Recherche en Cancérologie et Immunologie Nantes Angers (CRCINA), Unité INSERM 1232-CNRS 6299, 8 quai Moncousu, BP 70721, 44007 Nantes Cedex, France
| | - Thomas Le Bihan
- Univ. Brest, UMR CNRS 6521, 6 Avenue Victor Le Gorgeu, 29200 Brest, France
| | | | - Nathalie Le Bris
- Univ. Brest, UMR CNRS 6521, 6 Avenue Victor Le Gorgeu, 29200 Brest, France
| | - Michel Chérel
- Université de Nantes, CHRU de Nantes, Centre de Recherche en Cancérologie et Immunologie Nantes Angers (CRCINA), Unité INSERM 1232-CNRS 6299, 8 quai Moncousu, BP 70721, 44007 Nantes Cedex, France
| | - Alain Faivre-Chauvet
- Université de Nantes, CHRU de Nantes, Centre de Recherche en Cancérologie et Immunologie Nantes Angers (CRCINA), Unité INSERM 1232-CNRS 6299, 8 quai Moncousu, BP 70721, 44007 Nantes Cedex, France
| | - Mourad Elhabiri
- Université de Strasbourg, CNRS, UMR 7042-LIMA, Equipe de Chimie Bioorganique et Médicinale, ECPM, 25 rue Becquerel, Strasbourg 67087, France
| | - Loïc J Charbonnière
- UMR 7178, Institut Pluridisciplinaire Hubert Curien, Université de Strasbourg, ECPM, , 25 rue Becquerel, 67087 Strasbourg Cedex 2, France
| | - Raphaël Tripier
- Univ. Brest, UMR CNRS 6521, 6 Avenue Victor Le Gorgeu, 29200 Brest, France
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5
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Drahoš B, Trávníček Z. Spin crossover Fe(ii) complexes of a cross-bridged cyclam derivative. Dalton Trans 2018; 47:6134-6145. [PMID: 29667691 DOI: 10.1039/c8dt00414e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A cross-bridged cyclam derivative containing two 2-pyridylmethyl pendant arms (L = 4,11-bis((pyridin-2-yl)methyl)-1,4,8,11-tetraaza-bicyclo[6.6.2]hexadecane) was synthesized by dialkylation of the cross-bridged cyclam with 2-chloromethylpyridine. A series of Fe(ii) complexes with L and different counter-anions of the formulas [Fe(L)][FeCl4]·H2O (1·H2O), [Fe(L)]Cl2·4H2O (2·4H2O), [Fe(L)](BF4)2·0.5CH3CN (3·0.5CH3CN) and [Fe(L)](BPh4)2·CH3OH (4·CH3OH) was prepared and thoroughly characterized. In all the cases, the [Fe(L)]2+ cation adopts a cis-V configuration with a distorted octahedral geometry, and with the FeN6 donor set. The magnetic measurements within the temperature interval of 5-400 K revealed the spin crossover (SCO) behaviour of all the complexes with the transition temperature T1/2 increasing with the counter anion in the order BF4- (3) < [FeCl4]2- (1) < BPh4- (4). However, the SCO process was complete in the case of compound 3 only, with T1/2 = 177 K, which proceeded after removal of co-crystallized CH3CN molecules accompanied by a change of the crystallographic phase. The SCO behaviour of 3 was also confirmed by a single crystal X-ray analysis providing the average Fe-N distances of 2.086 Å at 120 K and 2.197 Å at 293 K typical of low-spin, and high-spin FeII complexes, respectively. The obtained results clearly showed that the nature of the counter anion and the presence/absence of co-crystallized solvent molecule(s) significantly affected the temperature as well as the abruptness of the spin transition. This is the first report of SCO behaviour observed for iron complexes containing a cross-bridged cyclam derivative.
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Affiliation(s)
- Bohuslav Drahoš
- Department of Inorganic Chemistry, Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacký University, 17. listopadu 12, CZ-771 46 Olomouc, Czech Republic.
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6
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Porqueras DSD, Beyler M, Tripier R, Salerno M. Intracellular Transport Studies of Picolinate Macrocyclic Copper and Lanthanide Complexes. ChemistrySelect 2016. [DOI: 10.1002/slct.201600990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Diego Santo Domingo Porqueras
- Laboratoire CSPBAT, CNRS (UMR 7244), UFR-SMBH; Université Paris 13, Sorbonne Paris Cité; 74 rue Marcel Cachin 93017, Bobigny France
| | - Maryline Beyler
- UMR-CNRS 6521, UFR des Sciences et Techniques; Université de Bretagne Occidentale; 6 avenue Victor le Gorgeu, C.S. 93837 29238 Brest Cedex 3 France
| | - Raphaël Tripier
- UMR-CNRS 6521, UFR des Sciences et Techniques; Université de Bretagne Occidentale; 6 avenue Victor le Gorgeu, C.S. 93837 29238 Brest Cedex 3 France
| | - Milena Salerno
- Laboratoire CSPBAT, CNRS (UMR 7244), UFR-SMBH; Université Paris 13, Sorbonne Paris Cité; 74 rue Marcel Cachin 93017, Bobigny France
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7
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Wilson KR, Cannon-Smith DJ, Burke BP, Birdsong OC, Archibald SJ, Hubin TJ. Synthesis and structural studies of two pyridine-armed reinforced cyclen chelators and their transition metal complexes. Polyhedron 2016; 114:118-127. [PMID: 27346907 DOI: 10.1016/j.poly.2015.11.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Two novel pyridine pendant-armed macrocycles structurally reinforced by an ethyl bridge, either between adjacent nitrogens (for side-bridged) or non-adjacent nitrogens (for cross-bridged), have been synthesized and complexed with a range of transition metal ions (Co2+, Ni2+, Cu2+ and Zn2+). X-ray crystal structures of selected cross-bridged complexes were obtained which showed the characteristic cis-V configuration with potential labile cis binding sites. The complexes have been characterized by their electronic spectra and magnetic moments, which show the expected high spin divalent metal complex in most cases. Exceptions are the nickel side-bridged complex, which shows a mixture of high-spin and low spin, and the cobalt cross-bridged complex which has oxidized to cobalt(III). Cyclic voltammetry in acetonitrile was carried out to assess the potential future use of these complexes in oxidation catalysis. Selected complexes offer significant catalytic potential enhanced by the addition of the pyridyl arm to a reinforced cyclen backbone.
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Affiliation(s)
- Kevin R Wilson
- Department of Chemistry and Physics, Southwestern Oklahoma State University, 100 Campus Drive, Weatherford, Oklahoma 73096, United States
| | - Desiray J Cannon-Smith
- Department of Chemistry and Physics, Southwestern Oklahoma State University, 100 Campus Drive, Weatherford, Oklahoma 73096, United States
| | - Benjamin P Burke
- Department of Chemistry and Positron Emission Tomography Research Centre, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Orry C Birdsong
- Department of Chemistry and Physics, Southwestern Oklahoma State University, 100 Campus Drive, Weatherford, Oklahoma 73096, United States
| | - Stephen J Archibald
- Department of Chemistry and Positron Emission Tomography Research Centre, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Timothy J Hubin
- Department of Chemistry and Physics, Southwestern Oklahoma State University, 100 Campus Drive, Weatherford, Oklahoma 73096, United States
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8
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Rodríguez-Rodríguez A, Regueiro-Figueroa M, Esteban-Gómez D, Tripier R, Tircsó G, Kálmán FK, Bényei AC, Tóth I, Blas AD, Rodríguez-Blas T, Platas-Iglesias C. Complexation of Ln3+ Ions with Cyclam Dipicolinates: A Small Bridge that Makes Huge Differences in Structure, Equilibrium, and Kinetic Properties. Inorg Chem 2016; 55:2227-39. [DOI: 10.1021/acs.inorgchem.5b02627] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Aurora Rodríguez-Rodríguez
- Grupo QUICOOR,
Centro de Investigaciones Científicas Avanzadas (CICA) and
Departamento de Química Fundamental, Universidade da Coruña, Campus
da Zapateira, Rúa da Fraga 10, 15008 A Coruña, Spain
- Université de Bretagne Occidentale, UMR-CNRS 6521, UFR des Sciences et Techniques, 6 avenue Victor le Gorgeu, C.S. 93837, 29238 Brest, Cedex 3, France
| | - Martín Regueiro-Figueroa
- Grupo QUICOOR,
Centro de Investigaciones Científicas Avanzadas (CICA) and
Departamento de Química Fundamental, Universidade da Coruña, Campus
da Zapateira, Rúa da Fraga 10, 15008 A Coruña, Spain
| | - David Esteban-Gómez
- Grupo QUICOOR,
Centro de Investigaciones Científicas Avanzadas (CICA) and
Departamento de Química Fundamental, Universidade da Coruña, Campus
da Zapateira, Rúa da Fraga 10, 15008 A Coruña, Spain
| | - Raphaël Tripier
- Université de Bretagne Occidentale, UMR-CNRS 6521, UFR des Sciences et Techniques, 6 avenue Victor le Gorgeu, C.S. 93837, 29238 Brest, Cedex 3, France
| | - Gyula Tircsó
- Centre de Biophysique Moléculaire, CNRS, rue Charles Sadron, 45071 Orléans, Cedex 2, France
- Le Studium, Loire Valley Institute for Advanced Studies, 1 Rue Dupanloup, 45000 Orléans, France
| | | | | | | | - Andrés de Blas
- Grupo QUICOOR,
Centro de Investigaciones Científicas Avanzadas (CICA) and
Departamento de Química Fundamental, Universidade da Coruña, Campus
da Zapateira, Rúa da Fraga 10, 15008 A Coruña, Spain
| | - Teresa Rodríguez-Blas
- Grupo QUICOOR,
Centro de Investigaciones Científicas Avanzadas (CICA) and
Departamento de Química Fundamental, Universidade da Coruña, Campus
da Zapateira, Rúa da Fraga 10, 15008 A Coruña, Spain
| | - Carlos Platas-Iglesias
- Grupo QUICOOR,
Centro de Investigaciones Científicas Avanzadas (CICA) and
Departamento de Química Fundamental, Universidade da Coruña, Campus
da Zapateira, Rúa da Fraga 10, 15008 A Coruña, Spain
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9
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Jones DG, Wilson KR, Cannon-Smith DJ, Shircliff AD, Zhang Z, Chen Z, Prior TJ, Yin G, Hubin TJ. Synthesis, Structural Studies, and Oxidation Catalysis of the Late-First-Row-Transition-Metal Complexes of a 2-Pyridylmethyl Pendant-Armed Ethylene Cross-Bridged Cyclam. Inorg Chem 2015; 54:2221-34. [DOI: 10.1021/ic502699m] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Donald G. Jones
- Department of Chemistry
and Physics, Southwestern Oklahoma State University, 100 Campus
Drive, Weatherford, Oklahoma 73096, United States
| | - Kevin R. Wilson
- Department of Chemistry
and Physics, Southwestern Oklahoma State University, 100 Campus
Drive, Weatherford, Oklahoma 73096, United States
| | - Desiray J. Cannon-Smith
- Department of Chemistry
and Physics, Southwestern Oklahoma State University, 100 Campus
Drive, Weatherford, Oklahoma 73096, United States
| | - Anthony D. Shircliff
- Department of Chemistry
and Physics, Southwestern Oklahoma State University, 100 Campus
Drive, Weatherford, Oklahoma 73096, United States
| | - Zhan Zhang
- Key Laboratory for Large-Format Battery Materials and System, Ministry
of Education, School of Chemistry and Chemical Engineering, Hubei
Key Laboratory of Material Chemistry and Service Failure, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Zhuqi Chen
- Key Laboratory for Large-Format Battery Materials and System, Ministry
of Education, School of Chemistry and Chemical Engineering, Hubei
Key Laboratory of Material Chemistry and Service Failure, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Timothy J. Prior
- Department of Chemistry, The University of Hull, Cottingham Road, Hull HU6 7RX, U.K
| | - Guochuan Yin
- Key Laboratory for Large-Format Battery Materials and System, Ministry
of Education, School of Chemistry and Chemical Engineering, Hubei
Key Laboratory of Material Chemistry and Service Failure, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Timothy J. Hubin
- Department of Chemistry
and Physics, Southwestern Oklahoma State University, 100 Campus
Drive, Weatherford, Oklahoma 73096, United States
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10
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Lima LMP, Halime Z, Marion R, Camus N, Delgado R, Platas-Iglesias C, Tripier R. Monopicolinate Cross-Bridged Cyclam Combining Very Fast Complexation with Very High Stability and Inertness of Its Copper(II) Complex. Inorg Chem 2014; 53:5269-79. [DOI: 10.1021/ic500491c] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Luís M. P. Lima
- Instituto
de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Zakaria Halime
- Université
de Bretagne Occidentale, UMR-CNRS 6521, UFR des Sciences et Techniques, 6 avenue Victor le Gorgeu, C.S. 93837, 29238 Brest Cedex 3, France
| | - Ronan Marion
- Université
de Bretagne Occidentale, UMR-CNRS 6521, UFR des Sciences et Techniques, 6 avenue Victor le Gorgeu, C.S. 93837, 29238 Brest Cedex 3, France
| | - Nathalie Camus
- Université
de Bretagne Occidentale, UMR-CNRS 6521, UFR des Sciences et Techniques, 6 avenue Victor le Gorgeu, C.S. 93837, 29238 Brest Cedex 3, France
| | - Rita Delgado
- Instituto
de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Carlos Platas-Iglesias
- Departamento de Química Fundamental, Universidade da Coruña, Campus da Zapateira, Rúa da Fraga 10, 15008 A Coruña, Spain
| | - Raphaël Tripier
- Université
de Bretagne Occidentale, UMR-CNRS 6521, UFR des Sciences et Techniques, 6 avenue Victor le Gorgeu, C.S. 93837, 29238 Brest Cedex 3, France
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11
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Esteves CV, Madureira J, Lima LMP, Mateus P, Bento I, Delgado R. Copper(II) and Gallium(III) Complexes of trans-Bis(2-hydroxybenzyl) Cyclen Derivatives: Absence of a Cross-Bridge Proves Surprisingly More Favorable. Inorg Chem 2014; 53:4371-86. [DOI: 10.1021/ic403156h] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Catarina V. Esteves
- Instituto de Tecnologia Química
e Biológica, Universidade Nova de Lisboa, Av. da República 2780−157 Oeiras, Portugal
| | - Joana Madureira
- Instituto de Tecnologia Química
e Biológica, Universidade Nova de Lisboa, Av. da República 2780−157 Oeiras, Portugal
| | - Luís M. P. Lima
- Instituto de Tecnologia Química
e Biológica, Universidade Nova de Lisboa, Av. da República 2780−157 Oeiras, Portugal
| | - Pedro Mateus
- Instituto de Tecnologia Química
e Biológica, Universidade Nova de Lisboa, Av. da República 2780−157 Oeiras, Portugal
| | - Isabel Bento
- Instituto de Tecnologia Química
e Biológica, Universidade Nova de Lisboa, Av. da República 2780−157 Oeiras, Portugal
| | - Rita Delgado
- Instituto de Tecnologia Química
e Biológica, Universidade Nova de Lisboa, Av. da República 2780−157 Oeiras, Portugal
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12
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Camus N, Halime Z, Le Bris N, Bernard H, Platas-Iglesias C, Tripier R. Full Control of the Regiospecific N-Functionalization of C-Functionalized Cyclam Bisaminal Derivatives and Application to the Synthesis of their TETA, TE2A, and CB-TE2A Analogues. J Org Chem 2014; 79:1885-99. [DOI: 10.1021/jo4028566] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Nathalie Camus
- Université de Brest, UMR-CNRS 6521/SFR148 ScInBioS, UFR Sciences
et Techniques, 6 Avenue Victor le Gorgeu,
C.S. 93837, 29238 Brest, France
| | - Zakaria Halime
- Université de Brest, UMR-CNRS 6521/SFR148 ScInBioS, UFR Sciences
et Techniques, 6 Avenue Victor le Gorgeu,
C.S. 93837, 29238 Brest, France
| | - Nathalie Le Bris
- Université de Brest, UMR-CNRS 6521/SFR148 ScInBioS, UFR Sciences
et Techniques, 6 Avenue Victor le Gorgeu,
C.S. 93837, 29238 Brest, France
| | - Hélène Bernard
- Université de Brest, UMR-CNRS 6521/SFR148 ScInBioS, UFR Sciences
et Techniques, 6 Avenue Victor le Gorgeu,
C.S. 93837, 29238 Brest, France
| | - Carlos Platas-Iglesias
- Departamento
de Química Fundamental, Universidade da Coruña, Campus
da Zapateira, Rúa da Fraga 10, 15008 A Coruña, Spain
| | - Raphaël Tripier
- Université de Brest, UMR-CNRS 6521/SFR148 ScInBioS, UFR Sciences
et Techniques, 6 Avenue Victor le Gorgeu,
C.S. 93837, 29238 Brest, France
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13
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Lincoln KM, Offutt ME, Hayden TD, Saunders RE, Green KN. Structural, Spectral, and Electrochemical Properties of Nickel(II), Copper(II), and Zinc(II) Complexes Containing 12-Membered Pyridine- and Pyridol-Based Tetra-aza Macrocycles. Inorg Chem 2014; 53:1406-16. [DOI: 10.1021/ic402119s] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Kimberly M. Lincoln
- Department
of Chemistry, Texas Christian University, Fort Worth, Texas 76109, United States
| | - Michael E. Offutt
- Department
of Chemistry, Texas Christian University, Fort Worth, Texas 76109, United States
| | - Travis D. Hayden
- Department
of Chemistry, Texas Christian University, Fort Worth, Texas 76109, United States
| | - Ryker E. Saunders
- Department
of Chemistry, Texas Christian University, Fort Worth, Texas 76109, United States
| | - Kayla N. Green
- Department
of Chemistry, Texas Christian University, Fort Worth, Texas 76109, United States
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14
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Benelli C, Borgogelli E, Formica M, Fusi V, Giorgi L, Macedi E, Micheloni M, Paoli P, Rossi P. Di-maltol-polyamine ligands to form heterotrinuclear metal complexes: solid state, aqueous solution and magnetic characterization. Dalton Trans 2013; 42:5848-59. [PMID: 23462930 DOI: 10.1039/c3dt32130d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The binding properties of the two ligands (L) N,N'-bis[(3-hydroxy-4-pyron-2-yl)methyl]-N,N'-dimethylethylendiamine (Malten) and 4,10-bis[(3-hydroxy-4-pyron-2-yl)methyl]-1,7-dimethyl-1,4,7,10-tetraazacyclododecane (Maltonis) towards M(II) transition metal ions (M(II) = Cu(II) for Malten and Co(II) for Maltonis, respectively), were investigated in aqueous solution. Each compound contains two 3-hydroxy-2-methyl-4-pyrone units (Maltol) symmetrically spaced by a different polyamine fragment. The formation of only mononuclear complexes was detected and the main species present in a wide range of pH is the neutral [M(II)(H-2L)] complex. This is able to stabilize one hard M(III) metal ion such as Gd(III) and Y(III), giving rise to the formation of new hetero-trinuclear complexes of M(II)-M(III)-M(II) sequence. The trinuclear species having the formula {M(III)[M(II)(H-2L)]2}(3+) (M(II) = Cu(II) and M(III) = Y(III) or Gd(III) for Malten and M(II) = Co(II) and M(III) = Gd(III) for Maltonis) are also formed in a wide range of pH, including pH = 7 and can be isolated in high yield as a perchlorate salt. The crystal structures of all the studied hetero-trinuclear species highlight that such systems are formed thanks to the synergy between the different stereochemical requirement of the transition metal (Cu(II) or Co(II)) and the different donor atoms set of the ligands which preorganize the maltol units for the binding of the hard M(III) metal, otherwise difficult to bind in water, through L/M(II)/M(III) self-assembling. The magnetic properties of the hetero-trinuclear spin systems were investigated; in the M(II)-Gd(III)-M(II) species, Gd(III) interacts with the two 3d ions of this class of compounds by similar coupling mechanism.
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Affiliation(s)
- Cristiano Benelli
- Department of Energy Engineering Sergio Stecco, University of Florence, Via S. Marta 3, I-50139 Florence, Italy
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15
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Esteves CV, Lamosa P, Delgado R, Costa J, Désogère P, Rousselin Y, Goze C, Denat F. Remarkable Inertness of Copper(II) Chelates of Cyclen-Based Macrobicycles with Two trans-N-Acetate Arms. Inorg Chem 2013; 52:5138-53. [DOI: 10.1021/ic400015v] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Catarina V. Esteves
- Instituto
de Tecnologia Química e Biológica, Universidade Nova
de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Pedro Lamosa
- Instituto
de Tecnologia Química e Biológica, Universidade Nova
de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Rita Delgado
- Instituto
de Tecnologia Química e Biológica, Universidade Nova
de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Judite Costa
- iMed.UL, Faculdade de Farmácia,
Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Pauline Désogère
- Institut de Chimie Moléculaire
de l’Université de Bourgogne, UMR CNRS 6302, Université
de Bourgogne, 9, Av. Alain Savary, 21078 Dijon, France
| | - Yoann Rousselin
- Institut de Chimie Moléculaire
de l’Université de Bourgogne, UMR CNRS 6302, Université
de Bourgogne, 9, Av. Alain Savary, 21078 Dijon, France
| | - Christine Goze
- Institut de Chimie Moléculaire
de l’Université de Bourgogne, UMR CNRS 6302, Université
de Bourgogne, 9, Av. Alain Savary, 21078 Dijon, France
| | - Franck Denat
- Institut de Chimie Moléculaire
de l’Université de Bourgogne, UMR CNRS 6302, Université
de Bourgogne, 9, Av. Alain Savary, 21078 Dijon, France
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16
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Esteves CV, Lima LMP, Mateus P, Delgado R, Brandão P, Félix V. Cyclen derivatives with two trans-methylnitrophenolic pendant arms: a structural study of their copper(ii) and zinc(ii) complexes. Dalton Trans 2013; 42:6149-60. [DOI: 10.1039/c2dt32363j] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Catarina V Esteves
- Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
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17
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Christine C, Koubemba M, Shakir S, Clavier S, Ehret-Sabatier L, Saupe F, Orend G, Charbonnière LJ. Synthesis of an activated phosphonated bifunctional chelate with potential for PET imaging and radiotherapy. Org Biomol Chem 2012; 10:9183-90. [PMID: 23086384 DOI: 10.1039/c2ob26452h] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The synthesis of a phosphonated acyclic bifunctional chelate L* for the labeling of biomaterial is described. L* is based on a pyridine backbone, functionalized in ortho positions by aminomethyl-bis-methylphosphonic acids, and, in the para position, by a side chain containing a reactive NHS carbamate function. The stability of L* in aqueous solutions at different pH values was studied by mass spectrometry, showing the activated function to be sensitive to hydrolysis above neutral pH. The reactivity of L* towards amine functions was tested using ethylamine under different conditions of pH and concentrations, and by the labeling of two reference peptides containing both an N-terminal amino function and a ε-amino group of a lysine residue in the backbone, and a supplementary thiol group of a cysteine residue for one of these two peptides. The results showed the coupling to be efficient at pH 8.0, with a total selectivity for the terminal amine function with respect to lysine and cysteine. The labeling was further performed on B28-13, a mouse monoclonal antibody specifically recognizing tenascin-C protein in human cancer. The labeled antibody was characterized by means of mass spectrometry and spectrofluorimetry, unraveling a labeling ratio of one chelate per antibody. Finally, the affinity of the labeled antibody towards its target was controlled by immunofluorescence staining experiments on human colon cancer biopsies, confirming the affinity of the labeled peptide for tenascin-C.
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Affiliation(s)
- Câline Christine
- Laboratoire d'Ingénierie Moléculaire Appliquée à l'Analyse, IPHC, UMR 7178 CNRS-Université de Strasbourg, ECPM, 25 rue Becquerel, 67087 Strasbourg Cedex, France.
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18
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Bernier N, Esteves CV, Delgado R. Heteroditopic receptor based on crown ether and cyclen units for the recognition of zwitterionic amino acids. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.03.110] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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19
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Lima LMP, Esteban-Gómez D, Delgado R, Platas-Iglesias C, Tripier R. Monopicolinate Cyclen and Cyclam Derivatives for Stable Copper(II) Complexation. Inorg Chem 2012; 51:6916-27. [DOI: 10.1021/ic300784v] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Luís M. P. Lima
- Université de Bretagne Occidentale, UMR-CNRS 6521, UFR des Sciences
et Techniques, 6 avenue Victor le Gorgeu, C.S. 93837, 29238 Brest
Cedex 3, France
- Instituto
de Tecnologia Química
e Biológica, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - David Esteban-Gómez
- Departamento de Química
Fundamental, Universidade da Coruña, Campus da Zapateira, Rúa da Fraga 10, 15008 A Coruña,
Spain
| | - Rita Delgado
- Instituto
de Tecnologia Química
e Biológica, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Carlos Platas-Iglesias
- Departamento de Química
Fundamental, Universidade da Coruña, Campus da Zapateira, Rúa da Fraga 10, 15008 A Coruña,
Spain
| | - Raphaël Tripier
- Université de Bretagne Occidentale, UMR-CNRS 6521, UFR des Sciences
et Techniques, 6 avenue Victor le Gorgeu, C.S. 93837, 29238 Brest
Cedex 3, France
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20
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A novel hexadentate ligand and its complexes with divalent metal ions (Zinc, Copper, and Cobalt): Synthesis, characterization, and electrochemical investigation. Inorganica Chim Acta 2012. [DOI: 10.1016/j.ica.2012.01.032] [Citation(s) in RCA: 9] [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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21
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Smith R, Huskens D, Daelemans D, Mewis RE, Garcia CD, Cain AN, Freeman TNC, Pannecouque C, Clercq ED, Schols D, Hubin TJ, Archibald SJ. CXCR4 chemokine receptor antagonists: nickel(ii) complexes of configurationally restricted macrocycles. Dalton Trans 2012; 41:11369-77. [DOI: 10.1039/c2dt31137b] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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22
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Wei Z, You X. 4,10-Bis(pyridin-2-ylmeth-yl)-1,7-dithia-4,10-diazo-niacyclo-dodecane bis(perchlorate). Acta Crystallogr Sect E Struct Rep Online 2011; 67:o2384. [PMID: 22058983 PMCID: PMC3200833 DOI: 10.1107/s1600536811032715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Accepted: 08/12/2011] [Indexed: 05/31/2023]
Abstract
The asymmetric unit of the title compound C(20)H(30)N(4)S(2) (+). 2ClO(4) (-) comprises one macrocyclic cation and two perchlorate anions. In the cation, one of the protonated H atoms bound to the amide N atom is involved in an intra-molecular N-H⋯N hydrogen bond. The O atoms in the two perchlorate anions are disordered over two sets of sites with occupancy ratios of 0.65 (3):0.35 (3) and 0.640 (15):0.360 (15).
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Affiliation(s)
- ZhenHong Wei
- Department of Chemistry, Nanchang University, Nanchang 330031, People’s Republic of China
| | - XiuLi You
- Department of Chemistry, Nanchang University, Nanchang 330031, People’s Republic of China
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