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Frieß S, Benyak A, Herrera A, Escalona AM, Heinemann FW, Langer J, Fehn D, Pividori D, Grasruck A, Munz D, Meyer K, Dorta R. Ir(IV) Sulfoxide-Pincer Complexes by Three-Electron Oxidative Additions of Br 2 and I 2. Unprecedented Trap-Free Reductive Elimination of I 2 from a formal d 5 Metal. Inorg Chem 2022; 61:1236-1248. [PMID: 34990121 DOI: 10.1021/acs.inorgchem.1c02956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Oxidative addition of 1.5 equiv of bromine or iodine to a Ir(I) sulfoxide pincer complex affords the corresponding Ir(IV) tris-bromido or tris-iodido complexes, respectively. The unprecedented trap-free reductive elimination of iodine from the Ir(IV)-iodido complex is induced by coordination of ligands or donor solvents. In the case of added I-, the isostructural tris-iodo Ir(III)-ate complex is quickly generated, which then can be readily reoxidized to the Ir(IV)-iodido complex with FcPF6 or electrochemically. DFT calculations indicate an "inverted ligand field" in the Ir(IV) complexes and favor dinuclear pathways for the reductive elimination of iodine from the formal d5 metal center.
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Affiliation(s)
- Sibylle Frieß
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Anna Benyak
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Alberto Herrera
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Ana M Escalona
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Frank W Heinemann
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Jens Langer
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Dominik Fehn
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Daniel Pividori
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Alexander Grasruck
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Dominik Munz
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany.,Anorganische Chemie: Koordinationschemie, Universität des Saarlandes, Campus Geb. C4.1, 66123 Saarbrücken, Germany
| | - Karsten Meyer
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Romano Dorta
- Department Chemie und Pharmazie, Anorganische Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
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2
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Luo Q, Dai Z, Cong H, Li R, Peng T, Zhang J. Oxidant-free synthesis of benzimidazoles from alcohols and aromatic diamines catalysed by new Ru(ii)-PNS(O) pincer complexes. Dalton Trans 2017; 46:15012-15022. [DOI: 10.1039/c7dt02584j] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A greener method for synthesizing 2-substituted benzimidazole through the acceptorless dehydrogenative condensation of alcohols and ortho-arylenediamine is developed.
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Affiliation(s)
- Qi Luo
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Zengjin Dai
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Hengjiang Cong
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Renjie Li
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Tianyou Peng
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Jing Zhang
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- P. R. China
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Murai T, Nagaya E, Shibahara F, Maruyama T, Nakazawa H. Rhodium(I) and iridium(I) imidazo[1,5-a]pyridine-1-ylalkylalkoxy complexes: Synthesis, characterization and application as catalysts for hydrosilylation of alkynes. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.05.045] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Sipos G, Drinkel EE, Dorta R. The emergence of sulfoxides as efficient ligands in transition metal catalysis. Chem Soc Rev 2015; 44:3834-60. [PMID: 25954773 DOI: 10.1039/c4cs00524d] [Citation(s) in RCA: 179] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Sulfoxides are capable of forming stable complexes with transition metals and there have been many comprehensive studies into their binding properties. However, the use of sulfoxides, particularly chiral sulfoxides, as ligands in transition metal catalysis is rather less well developed. This review aims to describe these catalytic studies and covers new developments that are showing very promising results and that have led to a renewed interest in this field.
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Affiliation(s)
- Gellért Sipos
- School of Chemistry and Biochemistry, University of Western Australia, 35 Stirling Highway, 6009, Crawley, Australia.
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5
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Locke H, Herrera A, Heinemann FW, Linden A, Frieß S, Schmid B, Dorta R. Chiral (SO)–N–(SO) Sulfoxide Pincer Complexes of Mg, Rh, and Ir: N–H Activation and Selective Sulfoxide Reduction upon Ligand Coordination. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00178] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Harald Locke
- Department
Chemie und Pharmazie,
Anorganische und Allgemeine Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Alberto Herrera
- Department
Chemie und Pharmazie,
Anorganische und Allgemeine Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Frank W. Heinemann
- Department
Chemie und Pharmazie,
Anorganische und Allgemeine Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Anthony Linden
- Department
Chemie und Pharmazie,
Anorganische und Allgemeine Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Sibylle Frieß
- Department
Chemie und Pharmazie,
Anorganische und Allgemeine Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Bernhard Schmid
- Department
Chemie und Pharmazie,
Anorganische und Allgemeine Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Romano Dorta
- Department
Chemie und Pharmazie,
Anorganische und Allgemeine Chemie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
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6
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Khiar N, Salvador Á, Valdivia V, Chelouan A, Alcudia A, Álvarez E, Fernández I. Flexible C2-Symmetric Bis-Sulfoxides as Ligands in Enantioselective 1,4-Addition of Boronic Acids to Electron-Deficient Alkenes. J Org Chem 2013; 78:6510-21. [DOI: 10.1021/jo400700m] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Noureddine Khiar
- Instituto de Investigaciones Quı́micas, CSIC-Universidad de Sevilla, c/. Américo Vespucio,
49., Isla de la Cartuja, 41092 Sevilla, Spain
| | - Álvaro Salvador
- Instituto de Investigaciones Quı́micas, CSIC-Universidad de Sevilla, c/. Américo Vespucio,
49., Isla de la Cartuja, 41092 Sevilla, Spain
| | - Victoria Valdivia
- Instituto de Investigaciones Quı́micas, CSIC-Universidad de Sevilla, c/. Américo Vespucio,
49., Isla de la Cartuja, 41092 Sevilla, Spain
- Departamento
de Quı́mica Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain
| | - Ahmed Chelouan
- Departamento
de Quı́mica Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain
| | - Ana Alcudia
- Departamento
de Quı́mica Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain
| | - Eleuterio Álvarez
- Instituto de Investigaciones Quı́micas, CSIC-Universidad de Sevilla, c/. Américo Vespucio,
49., Isla de la Cartuja, 41092 Sevilla, Spain
| | - Inmaculada Fernández
- Departamento
de Quı́mica Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain
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7
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Sevov CS, Hartwig JF. Iridium-Catalyzed, Intermolecular Hydroetherification of Unactivated Aliphatic Alkenes with Phenols. J Am Chem Soc 2013; 135:9303-6. [DOI: 10.1021/ja4052153] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Christo S. Sevov
- Division of Chemical Sciences, Lawrence Berkeley National Laboratory, and Department of Chemistry, University of California, Berkeley, California 94720,
United States
| | - John F. Hartwig
- Division of Chemical Sciences, Lawrence Berkeley National Laboratory, and Department of Chemistry, University of California, Berkeley, California 94720,
United States
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8
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Diao T, White P, Guzei I, Stahl SS. Characterization of DMSO coordination to palladium(II) in solution and insights into the aerobic oxidation catalyst, Pd(DMSO)2(TFA)2. Inorg Chem 2012; 51:11898-909. [PMID: 23092381 PMCID: PMC3494491 DOI: 10.1021/ic301799p] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Recent studies have shown that Pd(DMSO)(2)(TFA)(2) (TFA = trifluoroacetate) is an effective catalyst for a number of different aerobic oxidation reactions. Here, we provide insights into the coordination of DMSO to palladium(II) in both the solid state and in solution. A crystal structure of Pd(DMSO)(2)(TFA)(2) confirms that the solid-state structure of this species has one O-bound and one S-bound DMSO ligand, and a crystallographically characterized mono-DMSO complex, trans-Pd(DMSO)(OH(2))(TFA)(2), exhibits an S-bound DMSO ligand. (1)H and (19)F NMR spectroscopic studies show that, in EtOAc and THF-d(8), Pd(DMSO)(2)(TFA)(2) consists of an equilibrium mixture of Pd(S-DMSO)(O-DMSO)(TFA)(2) and Pd(S-DMSO)(2)(TFA)(2). The O-bound DMSO is determined to be more labile than the S-bound DMSO ligand, and both DMSO ligands are more labile in THF relative to EtOAc as the solvent. DMSO coordination to Pd(II) is substantially less favorable when the TFA ligands are replaced with acetate. An analogous carboxylate ligand effect is observed in the coordination of the bidentate sulfoxide ligand, 1,2-bis(phenylsulfinyl)ethane to Pd(II). DMSO coordination to Pd(TFA)(2) is shown to be incomplete in AcOH-d(4) and toluene-d(8), resulting in Pd(II)/DMSO adducts with <2:1 DMSO/Pd(II) stoichiometry. Collectively, these results provide useful insights into the coordination properties of DMSO to Pd(II) under catalytically relevant conditions.
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Affiliation(s)
- Tianning Diao
- Department of Chemistry, University of Wisconsin - Madison, 1101 University Avenue, Madison, Wisconsin 53706
| | - Paul White
- Department of Chemistry, University of Wisconsin - Madison, 1101 University Avenue, Madison, Wisconsin 53706
| | - Ilia Guzei
- Department of Chemistry, University of Wisconsin - Madison, 1101 University Avenue, Madison, Wisconsin 53706
| | - Shannon S. Stahl
- Department of Chemistry, University of Wisconsin - Madison, 1101 University Avenue, Madison, Wisconsin 53706
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9
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Tang L, Wang Q, Wang J, Lin Z, Wang X, Cun L, Yuan W, Zhu J, Liao J, Deng J. A new chiral sulfinyl–NH–pyridine ligand for Ir-catalyzed asymmetric transfer hydrogenation reaction. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.04.110] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Sengottuvelan N, Yun SJ, Kang SK, Kim YI. Red-Orange Emissive Cyclometalated Neutral Iridium(III) Complexes and Hydridoiridium(III) Complex Based on 2-Phenylquinoxaline : Structure, Photophysics and Reactivity of Acetylacetone Towards Cyclometalated Iridium Dimer. B KOREAN CHEM SOC 2011. [DOI: 10.5012/bkcs.2011.32.12.4321] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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11
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Block M, Bette M, Wagner C, Schmidt J, Steinborn D. Rhodium(I) complexes with κP coordinated ω-phosphinofunctionalized alkyl phenyl sulfide, sulfoxide and sulfone ligands and their reactions with sodium bis(trimethylsilyl)amide and Ag[BF4]. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2010.12.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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12
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Mallorquin RM, Chelli S, Brebion F, Fensterbank L, Goddard JP, Malacria M. Bis-sulfoxides as ligands for platinum complexes. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/j.tetasy.2010.04.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Bürgi JJ, Mariz R, Gatti M, Drinkel E, Luan X, Blumentritt S, Linden A, Dorta R. Unprecedented selectivity via electronic substrate recognition in the 1,4-addition to cyclic olefins using a chiral disulfoxide rhodium catalyst. Angew Chem Int Ed Engl 2009; 48:2768-71. [PMID: 19260000 DOI: 10.1002/anie.200900429] [Citation(s) in RCA: 92] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
From zero to hero? Sulfoxides are generally not considered useful ligand entities in asymmetric metal catalysis. However, a chiral disulfoxide as a chelating ligand in the rhodium-catalyzed 1,4-addition of aryl boronic acids to cyclic, alpha,beta-unsaturated ketones and esters gives impressive catalytic results, thus opening the door to future applications of this new chiral ligand class.
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Affiliation(s)
- Justus J Bürgi
- Organisch-chemisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
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14
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Bürgi J, Mariz R, Gatti M, Drinkel E, Luan X, Blumentritt S, Linden A, Dorta R. Unprecedented Selectivity via Electronic Substrate Recognition in the 1,4-Addition to Cyclic Olefins Using a Chiral Disulfoxide Rhodium Catalyst. Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200900429] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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