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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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Ackermann J, Abdulkader A, Scholtysik C, Jungfer MR, Hagenbach A, Abram U. [TcI(NO)X(Cp)(PPh3)] Complexes (X– = I–, I3–, SCN–, CF3SO3–, or CF3COO–) and Their Reactions. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00620] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Janine Ackermann
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34-36, D-14195 Berlin, Germany
| | - Abdullah Abdulkader
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34-36, D-14195 Berlin, Germany
| | - Clemens Scholtysik
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34-36, D-14195 Berlin, Germany
| | - Maximilian Roca Jungfer
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34-36, D-14195 Berlin, Germany
| | - Adelheid Hagenbach
- 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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Rochon FD, Melanson R, Kong PC. Synthesis of new mixed-ligands Tc complexes containing monodentate phosphine and isothiocyanato ligands: Crystal structures of complexes Tc(P(C3H7)3)2(NCS)4, Tc(P(CH3)2Ph)4(NCS)2 and Tc(P(OCH3)Ph2)4(NCS)2·1/2CH2Cl2. Inorganica Chim Acta 2000. [DOI: 10.1016/s0020-1693(99)00550-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Prokopuk N, Kennedy VO, Stern CL, Shriver DF. Substitution and Redox Chemistry of [Bu(4)N](2)[Ta(6)Cl(12)(OSO(2)CF(3))(6)]. Inorg Chem 1998; 37:5001-5006. [PMID: 11670668 DOI: 10.1021/ic980334d] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Two sequential electrochemical reductions occur for the cluster anion [Ta(6)Cl(12)(OSO(2)CF(3))(6)](2)(-) at 0.89 and 0.29 V vs Ag/AgCl, with the generation [Ta(6)Cl(12)(OSO(2)CF(3))(6)](3)(-) and [Ta(6)Cl(12)(OSO(2)CF(3))(6)](4)(-). Chemical reduction of [Ta(6)Cl(12)(OSO(2)CF(3))(6)](2)(-) by ferrocene produces [Ta(6)Cl(12)(OSO(2)CF(3))(6)](3)(-) with the concomitant shift of the nu(SO(2)) stretch from 1002 to 1018 cm(-)(1). Reaction of [Bu(4)N](2)[Ta(6)Cl(12)(OSO(2)CF(3))(6)] (1) with [Bu(4)N]X (X = Cl, Br, I, NCS) occurs by reduction and substitution, yielding [Bu(4)N](3)[Ta(6)Cl(12)X(6)], where the clusters with X = Br, I, and NCS are new. Spectroscopic (IR and UV-vis) evidence indicates that the reduced cluster core {Ta(6)Cl(12)}(2+) is produced in reaction mixtures of 1 with the halide and pseudohalide ions. Concomitant substitution of the triflate ligands of 1 by X(-) occurs and the rates for the overall reduction and substitution increase in the order X(-) = Cl(-) < Br(-) < NCS(-) < I(-) < CN(-). Reduction of 1 with ferrocene followed by addition of [Bu(4)N]O(2)CCH(3) produces the new cluster [Ta(6)Cl(12)(O(2)CCH(3))(6)](3)(-) isolated as the tetrabutylammonium salt. Cyclic voltammetry and UV-vis spectroscopy on the new clusters [Bu(4)N](3)[Ta(6)Cl(12)X(6)] (X = Br, I, NCS, and O(2)CCH(3)) are reported. Crystal data for [Bu(4)N](3)[Ta(6)Cl(12)(NCS)(6)].CH(2)Cl(2): monoclinic, space group, P2(1)/c (No. 14); a = 25.855(6) Å, b = 21.843(6) Å, c = 16.423(3) Å; beta = 100.03(2) degrees; V = 9133(3) Å(3); Z = 4.
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Affiliation(s)
- Nicholas Prokopuk
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113
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Jurisson S, Halihan MM, Lydon JD, Barnes CL, Nowotnik DP, Nunn AD. Linkage Isomerization of MSCN(CDOH)2(CDO)BMe to MNCS(CDOH)2(CDO)BMe (M = Tc, Re). Crystal Structures of TcNCS(CDOH)2(CDO)BMe, ReNCS(CDOH)2(CDO)BMe, and ReSCN(CDOH)2(CDO)BMe. Inorg Chem 1998. [DOI: 10.1021/ic971145i] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- S. Jurisson
- The Chemistry Department, University of Missouri, Columbia, Missouri 65211, Bristol-Myers Squibb Pharmaceutical Research Institute, P.O. Box 4000, Princeton, New Jersey 08543-4000, and Bracco Research USA Inc., 305 College Road East, Princeton, New Jersey 08543
| | - M. M. Halihan
- The Chemistry Department, University of Missouri, Columbia, Missouri 65211, Bristol-Myers Squibb Pharmaceutical Research Institute, P.O. Box 4000, Princeton, New Jersey 08543-4000, and Bracco Research USA Inc., 305 College Road East, Princeton, New Jersey 08543
| | - J. D. Lydon
- The Chemistry Department, University of Missouri, Columbia, Missouri 65211, Bristol-Myers Squibb Pharmaceutical Research Institute, P.O. Box 4000, Princeton, New Jersey 08543-4000, and Bracco Research USA Inc., 305 College Road East, Princeton, New Jersey 08543
| | - C. L. Barnes
- The Chemistry Department, University of Missouri, Columbia, Missouri 65211, Bristol-Myers Squibb Pharmaceutical Research Institute, P.O. Box 4000, Princeton, New Jersey 08543-4000, and Bracco Research USA Inc., 305 College Road East, Princeton, New Jersey 08543
| | - D. P. Nowotnik
- The Chemistry Department, University of Missouri, Columbia, Missouri 65211, Bristol-Myers Squibb Pharmaceutical Research Institute, P.O. Box 4000, Princeton, New Jersey 08543-4000, and Bracco Research USA Inc., 305 College Road East, Princeton, New Jersey 08543
| | - A. D. Nunn
- The Chemistry Department, University of Missouri, Columbia, Missouri 65211, Bristol-Myers Squibb Pharmaceutical Research Institute, P.O. Box 4000, Princeton, New Jersey 08543-4000, and Bracco Research USA Inc., 305 College Road East, Princeton, New Jersey 08543
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