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Sidorenko GV, Miroslavov AE, Tyupina MY, Gurzhiy VV, Sakhonenkova AP, Lumpov AA. 2 + 1 Tricarbonyl Complexes of Technetium(I) with a Combination of N, N-Bidentate Ligands and Ethyl Isocyanoacetate: How Strong Is the Interfering Effect of Chloride Ions on Their Formation? Inorg Chem 2023; 62:15593-15604. [PMID: 37695753 DOI: 10.1021/acs.inorgchem.3c02204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/13/2023]
Abstract
Technetium(I) 2 + 1 tricarbonyl complexes with a combination of N,N-bidentate ligands (2,2'-bipyridine, bipy; 1,10-phenanthroline, phen) and ethyl isocyanoacetate were prepared and characterized by NMR, IR, UV/visible, and luminescence spectroscopies and by high-performance liquid chromatography (HPLC). The crystal structures of [99Tc(CO)3(bipy)(CNCH2COOEt)](ClO4) (in the form of a solvate with 0.5CH2Cl2) and [99Tc(CO)3(phen)(CNCH2COOEt)](ClO4) (in the form of an adduct with an outer-sphere phen molecule) were determined by single-crystal X-ray diffraction. To evaluate the interfering effect of chloride ions on the formation of the 2 + 1 complexes, the kinetics of the replacement of labile monodentate ligand X in the complexes [MX(CO)3(N∧N)] (M = Re, 99Tc; N∧N = bipy, phen; X = Cl-, ClO4-) by CNCH2COOEt in ethanol were compared. The 99Tc bipy complexes with X = ClO4- (according to the IR data, perchlorate anion in ethanol is displaced from the coordination sphere by the solvent molecule) and X = Cl- are characterized by close ligand replacement rates. In the case of the 99Tc complexes with phen and Re complexes with both phen and bipy, the chloride complexes are appreciably less reactive than the chloride-free complexes. The technetium complexes are considerably more reactive in ligand replacement than their rhenium analogues. In the chloride-containing medium (saline), the complex [99mTc(CO)3(bipy)(CNCH2COOEt)]+ can be prepared under the conditions acceptable for nuclear medical applications, although higher isonitrile concentrations are required as compared to the chloride-free system.
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Affiliation(s)
- Georgy V Sidorenko
- Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg 194021, Russia
- Ozyrsk Technological Institute of the National Research Nuclear University, Pobedy pr., 48, Ozyrsk 456783, Russia
| | - Alexander E Miroslavov
- Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg 194021, Russia
- Ozyrsk Technological Institute of the National Research Nuclear University, Pobedy pr., 48, Ozyrsk 456783, Russia
- Radiochemistry Department, St. Petersburg State University, University emb. 7/9, St. Petersburg 199034, Russia
| | - Margarita Yu Tyupina
- Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg 194021, Russia
- Ozyrsk Technological Institute of the National Research Nuclear University, Pobedy pr., 48, Ozyrsk 456783, Russia
| | - Vladislav V Gurzhiy
- Department of Crystallography, St. Petersburg State University, University emb. 7/9, St. Petersburg 199034, Russia
| | - Anna P Sakhonenkova
- Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg 194021, Russia
- Ozyrsk Technological Institute of the National Research Nuclear University, Pobedy pr., 48, Ozyrsk 456783, Russia
| | - Alexander A Lumpov
- Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg 194021, Russia
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Claude G, Puccio D, Roca Jungfer M, Hagenbach A, Spreckelmeyer S, Abram U. Technetium Complexes with an Isocyano-alkyne Ligand and Its Reaction Products. Inorg Chem 2023. [PMID: 37494664 DOI: 10.1021/acs.inorgchem.3c01638] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
The attachment of an ethyne substituent in the para position of phenylisocyanide, CNPhpC≡CH, enables the isocyanide to replace carbonyl ligands in the coordination sphere of common technetium(I) starting materials such as (NBu4)[Tc2(μ-Cl)3(CO)6]. The ligand exchange proceeds under thermal conditions and finally forms the corresponding hexakis(isocyanide)technetium(I) complex. The product undergoes a copper-catalyzed cycloaddition ("Click" reaction), e.g., with benzyl azide, which gives the [Tc(CNPhazole)6]+ cation. The free, uncoordinated "Click" product is obtained from a reaction of the corresponding tetrakis(CNPhazole)copper(I) complex and NaCN. It readily reacts with mer-[Tc(CO)3(tht)(PPh3)2](BF4) (tht = tetrahydrothiophene) under exchange of the thioether ligand. Alternatively, [Cu(CNPhazole)4]+ can be used as a transmetalation reagent for the synthesis of the hexakis(isocyanide)technetium(I) complex, which is the preferable approach for the synthesis of the technetium complex with the short-lived nuclear isomer 99mTc, and a corresponding protocol for [99mTc(CNPhazole)6]+ is reported. The 99Tc and copper complexes have been studied by single-crystal X-ray diffraction and/or spectroscopic methods including IR and multinuclear NMR spectroscopy.
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Affiliation(s)
- Guilhem Claude
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, 14195 Berlin, Germany
| | - Denis Puccio
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, 14195 Berlin, Germany
| | - Maximilian Roca Jungfer
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, 14195 Berlin, Germany
| | - Adelheid Hagenbach
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, 14195 Berlin, Germany
| | - Sarah Spreckelmeyer
- Department of Nuclear Medicine, Charité-Universitätsmedizin Berlin, a corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Ulrich Abram
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, 14195 Berlin, Germany
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Claude G, Genz J, Weh D, Roca Jungfer M, Hagenbach A, Gembicky M, Figueroa JS, Abram U. Mixed-Isocyanide Complexes of Technetium under Steric and Electronic Control. Inorg Chem 2022; 61:16163-16176. [PMID: 36167508 DOI: 10.1021/acs.inorgchem.2c02730] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Reactions of the alkyl isocyanide fac-[Tc(CO)3(CNR)2Cl] complexes (2) (CNR = CNnBu or CNtBu) with the sterically encumbered isocyanide CNp-FArDarF2 [DArF = 3,5-(CF3)2C6H3] allow a selective exchange of the carbonyl ligands of 2 and the isolation of the mixed-isocyanide complexes mer,trans-[Tc(CNp-FArDarF2)3(CNR)2Cl] (3). Depending on the steric requirements of the residues R, the remaining chlorido ligand can be replaced by another isocyanide ligand. Cationic complexes such as mer-[Tc(CNp-FArDarF2)3(CNnBu)3]+ (4a) or mer,trans-[Tc(CNp-FArDarF2)3(CNnBu)2(CNtBu)]+ (6) have been prepared in this way and isolated as their PF6- salts. mer,trans-[Tc(CNp-FArDarF2)3(CNnBu)2(CNtBu)](PF6) represents to the best of our knowledge the first transition-metal complex with three different isocyanides in its coordination sphere. Since the degree of the ligand exchange seems to be controlled both by the electronic and steric measures of the incoming isocyanides, we undertook similar reactions with the sterically less demanding p-fluorophenyl isocyanide, CNPhpF, which indeed readily led to the hexakis(isocyanide)technetium(I) cation through an exchange of all ligands in the staring materials [Tc2(CO)6(μ-Cl)3]- or fac-[Tc(CO)3(CNR)2Cl]. The influence of the substituents at the isocyanide ligands in such reactions has been reasoned with the density functional theory-derived electrostatic potential at the accessible surface of the corresponding isocyanide carbon atoms.
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Affiliation(s)
- Guilhem Claude
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany
| | - Jonas Genz
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany
| | - Dominik Weh
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany
| | - Maximilian Roca Jungfer
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany
| | - Adelheid Hagenbach
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany
| | - Milan Gembicky
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, San Diego, California 92093, United States
| | - Joshua S Figueroa
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, San Diego, California 92093, United States
| | - Ulrich Abram
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany
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Sakhonenkova AP, Slastihina PV, Sidorenko GV, Tyupina MY, Miroslavov AE. Synthesis of [
99
Tc(CO)
6
]
+
Cation under Ambient Conditions. ChemistrySelect 2022. [DOI: 10.1002/slct.202201128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Anna P. Sakhonenkova
- Khlopin Radium Institute 2-nd Murinskii pr. 28 194021 St. Petersburg Russia
- St. Petersburg State University Universitetskii pr. 26, St. Petersburg 198504 Russia
| | - Polina V. Slastihina
- Khlopin Radium Institute 2-nd Murinskii pr. 28 194021 St. Petersburg Russia
- St. Petersburg State University Universitetskii pr. 26, St. Petersburg 198504 Russia
| | | | - Margarita Yu. Tyupina
- Khlopin Radium Institute 2-nd Murinskii pr. 28 194021 St. Petersburg Russia
- St. Petersburg State University Universitetskii pr. 26, St. Petersburg 198504 Russia
| | - Alexander E. Miroslavov
- Khlopin Radium Institute 2-nd Murinskii pr. 28 194021 St. Petersburg Russia
- St. Petersburg State University Universitetskii pr. 26, St. Petersburg 198504 Russia
- Ozyrsk Technological Institute of the National Research Nuclear University MEPhI Pobeda pr. 48 Ozyrsk 456783 Russia
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Tyupina MY, Miroslavov AE, Sidorenko GV, Gurzhiy VV, Sakhonenkova AP. 2+1 Rhenium Tricarbonyl Complexes with N,N′-Bidentate Ligands and Ethyl Isocyanoacetate: Synthesis, Structure, and Properties. RUSS J GEN CHEM+ 2022. [DOI: 10.1134/s1070363222010108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Roca Jungfer M, Elsholz L, Abram U. Technetium(I) Carbonyl Chemistry with Small Inorganic Ligands. Inorg Chem 2022; 61:2980-2997. [PMID: 35108005 DOI: 10.1021/acs.inorgchem.1c03919] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
[Tc(OH2)(CO)3(PPh3)2](BF4) has been used as a synthon for reactions with small inorganic ligands with relevance for the treatment of nuclear waste solutions such as nitrate, nitrite, pseudohalides, permetalates (M = Mn, Tc, Re), and BH4-. The formation of bond isomers and/or a distinct reactivity has been observed for most of the products. [Tc(NCO)(CO)3(PPh3)2], [Tc(NCS)(CO)3(PPh3)2], [Tc(CN)(CO)3(PPh3)2], [Tc(N3)(CO)3(PPh3)2], [Tc(NCO)(OH2)(CO)2(PPh3)2], [Tc(η2-OON)(CO)2(PPh3)2], [Tc(η1-NO2)(CO)3(PPh3)2], [Tc(η2-OONO)(CO)2(PPh3)2], [Tc(η1-ONO2)(CO)3(PPh3)2], [Tc(η2-OO(CCH3))(CO)2(PPh3)2], [Tc(η2-SSC(SCH3))(CO)2(PPh3)2], [Tc(η2-SSC(OCH3))(CO)2(PPh3)2], [Tc(η2-SSC(CH3))(CO)2(PPh3)2], [Tc(η2-SS(CH))(CO)2(PPh3)2], [Tc(OTcO3)(acetone)(CO)2(PPh3)2], [Tc(OTcO3)(CO)3(PPh3)2], and [Tc(η2-HHBH2)(CO)2(PPh3)2] have been isolated in crystalline form and studied by X-ray crystallography. Additionally, the typical reactivity patterns (isomerization, thermal decomposition, hydrolysis, or decarbonylation) of the products have been studied by spectroscopic methods. 99Tc NMR spectroscopy has proved to be a particularly useful tool for the evaluation of such reactions of the diamagnetic technetium(I) compounds in solution.
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Affiliation(s)
- Maximilian Roca Jungfer
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstraße 34/36, D-14195 Berlin, Germany
| | - Laura Elsholz
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstraße 34/36, D-14195 Berlin, Germany
| | - Ulrich Abram
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstraße 34/36, D-14195 Berlin, Germany
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7
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Roca Jungfer M, Abram U. [Tc(OH 2)(CO) 3(PPh 3) 2] +: A Synthon for Tc(I) Complexes and Its Reactions with Neutral Ligands. Inorg Chem 2021; 60:16734-16753. [PMID: 34657434 DOI: 10.1021/acs.inorgchem.1c02599] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A scalable synthesis of the novel and highly reactive [Tc(OH2)(CO)3(PPh3)2]+ cation is described. The ligand-exchange chemistry of this compound with neutral ligands coordinating through C, N, O, S, Se, and Te has been explored systematically. The complexes either retain the original mer-trans tricarbonyl core under exclusive exchange of the aqua ligand or form dicarbonyl complexes by thermal decarbonylation. Ligand exchange reactions starting from [Tc(OH2)(CO)3(PPh3)2]+ proceed under mild conditions and are generally almost quantitative. Some of the formed complexes are remarkably stable and inert, while others provide products with one labile ligand for further reactions. The derived complexes of the type [Tc(L)(CO)3(PPh3)2]+ and [Tc(L)2(CO)2(PPh3)2]+ represent an interesting opportunity for the development of 99mTc complexes with potential use in radiopharmacy. The ready displacement of the aqua ligand highlights the synthetic value of [Tc(OH2)(CO)3(PPh3)2]+ as a reactive entry point for further studies in the little explored field of the organometallic chemistry of technetium.
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Affiliation(s)
- Maximilian Roca Jungfer
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34/36, D-14195 Berlin, Germany
| | - Ulrich Abram
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34/36, D-14195 Berlin, Germany
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8
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Sidorenko GV, Miroslavov AE. Higher Technetium(I) Carbonyls and Possibility of Using Them in Nuclear Medicine: Problems and Prospects. RADIOCHEMISTRY 2021. [DOI: 10.1134/s1066362221030012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Miroslavov AE, Sidorenko GV, Tyupina MY, Gurzhiy VV. [Re(CO)3(bipy)(ClO4)]: Synthesis in a Proton-Donor Solvent, Crystal, and Molecular Structure. RUSS J GEN CHEM+ 2021. [DOI: 10.1134/s1070363220120178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Miroslavov AE, Britvin SN, Braband H, Alberto R, Stepanova ES, Shevyakova AP, Sidorenko GV, Lumpov AA. Water-soluble carbonyl complexes of 99Tc(I) and Re(I) with adamantane-cage aminophosphines PTA and CAP. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.05.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Sidorenko GV, Maltsev DA, Miroslavov AE, Stepanova ES, Tyupina MY, Lumpov AA, Suglobov DN. Specific features of the cis labilization effect in the series of pentacarbonyltechnetium halides. RADIOCHEMISTRY 2017. [DOI: 10.1134/s1066362217030055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Robertson APM, Reckziegel A, Jones JJ, Rosair GM, Welch AJ. Balancing Steric and Electronic Effects in Carbonyl–Phosphine Molybdacarboranes. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700492] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
| | | | - John J. Jones
- Institute of Chemical Sciences Heriot‐Watt University EH14 4AS Edinburgh UK
| | - Georgina M. Rosair
- Institute of Chemical Sciences Heriot‐Watt University EH14 4AS Edinburgh UK
| | - Alan J. Welch
- Institute of Chemical Sciences Heriot‐Watt University EH14 4AS Edinburgh UK
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Stepanova ES, Gurzhiy VV, Tyupina MY, Miroslavov AE, Sidorenko GV, Lumpov AA. Does [TcF(CO)5] exist? The crystal and molecular structure of [Tc(CO)3(OH)0.49F0.51]4·[Tc(CO)5(BF4)]. Dalton Trans 2016; 45:8428-32. [PMID: 27108652 DOI: 10.1039/c6dt00958a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Technetium pentacarbonyl fluoride [TcF(CO)5] was prepared for the first time by reaction of [TcI(CO)5] with solid AgF in a dichloromethane solution at -23 °C. Low temperature crystallization of the resulting compound in a glass vial yielded an unusual complex [Tc(CO)3(OH)0.49F0.51]4·[Tc(CO)5(BF4)] characterized by single crystal XRD.
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Affiliation(s)
- E S Stepanova
- Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg, 194021 Russia.
| | - V V Gurzhiy
- Department of Crystallography, St. Petersburg State University, University emb. 7/9, St. Petersburg, 199034 Russia
| | - M Yu Tyupina
- Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg, 194021 Russia.
| | - A E Miroslavov
- Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg, 194021 Russia.
| | - G V Sidorenko
- Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg, 194021 Russia.
| | - A A Lumpov
- Khlopin Radium Institute, 2-i Murinskii pr. 28, St. Petersburg, 194021 Russia.
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Miroslavov AE, Polotskii YS, Gurzhiy VV, Ivanov AY, Lumpov AA, Tyupina MY, Sidorenko GV, Tolstoy PM, Maltsev DA, Suglobov DN. Technetium and rhenium pentacarbonyl complexes with C₂ and C₁₁ ω-isocyanocarboxylic acid esters. Inorg Chem 2014; 53:7861-9. [PMID: 25029212 DOI: 10.1021/ic500327s] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Technetium(I) and rhenium(I) pentacarbonyl complexes with ethyl 2-isocyanoacetate and methyl 11-isocyanoundecanoate, [M(CO)5(CNCH2COOEt)]ClO4 (M = Tc (1) and Re (2)) and [M(CO)5(CN(CH2)10COOMe)]ClO4 (M = Tc (3) and Re (4)), were prepared and characterized by IR, (1)H NMR, and (13)C{(1)H} NMR spectroscopy. The crystal structures of 1 and 2 were determined using single-crystal X-ray diffraction. The kinetics of thermal decarbonylation of technetium complexes 1 and 3 in ethylene glycol was studied by IR spectroscopy. The rate constants and activation parameters of this reaction were determined and compared with those for [Tc(CO)6](+). It was found that rhenium complexes 2 and 4 were stable with respect to thermal decarbonylation. Histidine challenge reaction of complexes 1 and 2 in phosphate buffer was examined by IR spectroscopy. In the presence of histidine, the rhenium pentacarbonyl isocyanide complex partially decomposes to form an unidentified yellow precipitate. Technetium analogue 1 is more stable under these conditions.
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Kharissova OV, Méndez-Rojas MA, Kharisov BI, Méndez UO, Martínez PE. Metal complexes containing natural and and artificial radioactive elements and their applications. Molecules 2014; 19:10755-802. [PMID: 25061724 PMCID: PMC6272025 DOI: 10.3390/molecules190810755] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2014] [Revised: 07/09/2014] [Accepted: 07/11/2014] [Indexed: 12/13/2022] Open
Abstract
Recent advances (during the 2007–2014 period) in the coordination and organometallic chemistry of compounds containing natural and artificially prepared radionuclides (actinides and technetium), are reviewed. Radioactive isotopes of naturally stable elements are not included for discussion in this work. Actinide and technetium complexes with O-, N-, N,O, N,S-, P-containing ligands, as well π-organometallics are discussed from the view point of their synthesis, properties, and main applications. On the basis of their properties, several mono-, bi-, tri-, tetra- or polydentate ligands have been designed for specific recognition of some particular radionuclides, and can be used in the processes of nuclear waste remediation, i.e., recycling of nuclear fuel and the separation of actinides and fission products from waste solutions or for analytical determination of actinides in solutions; actinide metal complexes are also usefulas catalysts forcoupling gaseous carbon monoxide, as well as antimicrobial and anti-fungi agents due to their biological activity. Radioactive labeling based on the short-lived metastable nuclide technetium-99m (99mTc) for biomedical use as heart, lung, kidney, bone, brain, liver or cancer imaging agents is also discussed. Finally, the promising applications of technetium labeling of nanomaterials, with potential applications as drug transport and delivery vehicles, radiotherapeutic agents or radiotracers for monitoring metabolic pathways, are also described.
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Affiliation(s)
- Oxana V Kharissova
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Ciudad Universitaria, Monterrey, N.L. C.P. 66450, Mexico
| | - Miguel A Méndez-Rojas
- Departamento de Ciencias Químico-Biológicas, Universidad de las Américas Puebla, Sta. Catarina Mártir, Cholula, Puebla. C.P. 72810, Mexico
| | - Boris I Kharisov
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Ciudad Universitaria, Monterrey, N.L. C.P. 66450, Mexico.
| | - Ubaldo Ortiz Méndez
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Ciudad Universitaria, Monterrey, N.L. C.P. 66450, Mexico
| | - Perla Elizondo Martínez
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Ciudad Universitaria, Monterrey, N.L. C.P. 66450, Mexico
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Ellis BL, Gorshkov NI, Lumpov AA, Miroslavov AE, Yalfimov AN, Gurzhiy VV, Suglobov DN, Braddock R, Adams JC, Smith AM, Prescott MC, Sharma HL. Synthesis, characterization and pre-clinical evaluation of (99m) Tc-tricarbonyl complexes as potential myocardial perfusion imaging agents. J Labelled Comp Radiopharm 2013; 56:700-7. [PMID: 24339008 DOI: 10.1002/jlcr.3106] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Revised: 07/03/2013] [Accepted: 07/03/2013] [Indexed: 11/10/2022]
Abstract
Myocardial perfusion imaging is an established Nuclear Medicine investigation. Current myocardial perfusion imaging agents sestamibi and tetrofosmin have number of drawbacks; low heart uptake coupled with uptake into the surrounding tissues leads to a poorer image quality. There is a need for continued research into designing and evaluating potentially superior myocardial imaging agents. Tri-carbonyl-technetium and rhenium complexes were prepared by combination with mono-dentate and bi-dentate ligands. Complexes were characterized by HPLC, MAS, nuclear magnetic resonance, infrared, single-crystal X-ray diffraction and partition coefficient determinations. (99m) Tc(CO)3 complexes were administered intravenously to Sprague Dawley rats, and tissue distribution studies were carried out at 15 min and 1 h p.i. Radiochemical purity was assessed as >90%. 1-10-phenanthroline, 2,2'-bipyridine and imidazole complexes gave the highest heart uptake. The percentage injected dose per gram (n = 3) at 1 h for 1-10-phenanthroline/imidazole was blood 0.21 ± 0.01, heart 1.12 ± 0.11, kidney 3.61 ± 1.13, liver 0.62 ± 0.06, lung 0.28 ± 0.12, spleen 0.24 ± 0.05, small intestine contents 1.87 ± 0.92; and for 2,2'-bipyridine /imidazole was blood 0.23 ± 0.02, heart 1.07 ± 0.18, kidney 3.31 ± 1.28, liver 0.56 ± 0.09, lung 0.14 ± 0.02, spleen 0.2 ± 0.1, small intestine content 1.05 ± 0.48. Further investigation to evaluate more complexes based on 1,10-phenanthroline, 2,2'-bipyridine and imidazole derivatives could potentially lead to agents with an increased heart uptake and faster clearance from the liver and gastrointestinal tract.
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Affiliation(s)
- Beverley L Ellis
- Nuclear Medicine Centre, Central Manchester University Hospitals, Oxford Road, Manchester, M13 9WL, UK
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Reaction of technetium hexacarbonyl cation with acetonitrile: Kinetics, product structure, DFT calculations. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.08.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Al-Hokbany NS. Synthesis and characterization of a {ReO}3+ complex with S- and N-donor ligands and of its 99m Tc analog. RADIOCHEMISTRY 2012. [DOI: 10.1134/s1066362212030125] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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AlHokbany N, AlJammaz I. Spectroscopic investigation and density functional theory calculations of mercaptobenzothiazole and mercaptobenzimidazole ligands and their rhenium complexes. ACTA ACUST UNITED AC 2011. [DOI: 10.4236/ojic.2011.12004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Miroslavov AE, Sidorenko GV, Suglobov DN, Lumpov AA, Gurzhiy VV, Grigor'ev MS, Mikhalev VA. Technetium(I) carbonyl dithiocarbamates and xanthates. Inorg Chem 2010; 50:1098-104. [PMID: 21192706 DOI: 10.1021/ic1019313] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Technetium(I) tetracarbonyl complexes with diethyldithiocarbamate and methylxanthate ligands [TcL(CO)(4)] (L = S(2)CNEt(2) and S(2)COMe) were prepared. Conditions required for the formation of these complexes were found. The crystal and molecular structure of the xanthate complex was determined by single-crystal X-ray diffraction. [Tc(S(2)CNEt(2))(CO)(4)] undergoes decarbonylation both in solution and in the course of vacuum sublimation with the formation of a dimer [Tc(S(2)CNEt(2))(CO)(3)](2) whose structure was determined by single-crystal X-ray diffraction. In donor solvents, [Tc(S(2)CNEt(2))(CO)(4)] and [Tc(S(2)COMe)(CO)(4)] undergo decarbonylation with the formation of tricarbonyl solvates [TcL(CO)(3)(Sol)]. The crystal structure of the pyridine solvate [Tc(S(2)CNEt(2))(CO)(3)(py)], chosen as an example, was determined by single-crystal X-ray diffraction. The possibility of using bidentate S-donor acidic ligands for tethering the tetracarbonyltechnetium fragment to biomolecules was examined.
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Affiliation(s)
- A E Miroslavov
- Khlopin Radium Institute, Research and Production Association, Federal State Unitary Enterprise, St. Petersburg, Russia.
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Sidorenko GV. Volatile technetium carbonyl compounds: Vaporization and thermal decomposition. RADIOCHEMISTRY 2010. [DOI: 10.1134/s1066362210060159] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Sidorenko GV, Miroslavov AE, Suglobov DN. Vapor deposition of technetium coatings by thermolysis of volatile carbonyl complexes: I. Conditions and efficiency of coating deposition from various starting compounds. RADIOCHEMISTRY 2009. [DOI: 10.1134/s1066362209060046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Sidorenko GV, Gurzhii VV, Miroslavov AE, Sizova OV, Krivovichev SV, Lumpov AA, Suglobov DN. Crystal and molecular structure of [TcCl(CO)5] and [TcBr(CO)5]. Correlations with the reactivity and electronic structure. RADIOCHEMISTRY 2009. [DOI: 10.1134/s1066362209030047] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Miroslavov AE, Sidorenko GV, Lumpov AA, Mikhalev VA, Suglobov DN. Kinetics of decarbonylation of pentacarbonyltechnetium halides in solution. RADIOCHEMISTRY 2009. [DOI: 10.1134/s1066362209010020] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Miroslavov AE, Sidorenko GV, Lumpov AA, Mikhalev VA, Suglobov DN. Synthesis and properties of 99Tc(I) and 99m Tc(I) hexacarbonyl in aqueous solutions. RADIOCHEMISTRY 2009. [DOI: 10.1134/s1066362209020040] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Evaluation of 99mTc(CO)5I as a potential lung perfusion agent. Nucl Med Biol 2009; 36:73-9. [DOI: 10.1016/j.nucmedbio.2008.10.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2008] [Revised: 10/15/2008] [Accepted: 10/27/2008] [Indexed: 11/13/2022]
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Gurzhiy VV, Miroslavov AE, Sidorenko GV, Lumpov AA, Krivovichev SV, Suglobov DN. Hexacarbonyl-technetium(I) perchlorate. Acta Crystallogr Sect E Struct Rep Online 2008; 64:m1145. [PMID: 21201600 PMCID: PMC2960579 DOI: 10.1107/s1600536808025208] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2008] [Accepted: 08/05/2008] [Indexed: 11/11/2022]
Abstract
The title compound, [Tc(CO)(6)]ClO(4), was synthesized by the reaction of [TcCl(CO)(5)] with AgClO(4), followed by acidification with HClO(4) under a CO atmosphere. The [Tc(CO)(6)](+) cation has close to idealized octa-hedral geometry, with the bond angles between cis-CO groups close to 90° and the Tc-C bond lengths in the range 2.025 (3)-2.029 (3)Å. The perchlorate anion is disordered over two crystallographically equivalent half-occupied positions. The Tc atom in the [Tc(CO)(6)](+) cation is located on an inversion centre.
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Affiliation(s)
- V. V. Gurzhiy
- St Petersburg State University, Universitetskaya nab. 7/9, 199034 St Petersburg, Russian Federation
| | - A. E. Miroslavov
- Khlopin Radium Institute, Research and Production Association, 2-nd Murinskii pr. 28, 194021 St Petersburg, Russian Federation
| | - G. V. Sidorenko
- Khlopin Radium Institute, Research and Production Association, 2-nd Murinskii pr. 28, 194021 St Petersburg, Russian Federation
| | - A. A. Lumpov
- Khlopin Radium Institute, Research and Production Association, 2-nd Murinskii pr. 28, 194021 St Petersburg, Russian Federation
| | - S. V. Krivovichev
- St Petersburg State University, Universitetskaya nab. 7/9, 199034 St Petersburg, Russian Federation
| | - D. N. Suglobov
- Khlopin Radium Institute, Research and Production Association, 2-nd Murinskii pr. 28, 194021 St Petersburg, Russian Federation
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