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Grieco G, Blacque O. Microwave‐assisted reduction of aromatic nitro compounds with novel oxo‐rhenium complexes. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6452] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Gabriele Grieco
- Department of Chemistry University of Zurich Irchel Zurich Switzerland
| | - Olivier Blacque
- Department of Chemistry University of Zurich Irchel Zurich Switzerland
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2
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Nasiri Sovari S, Kolly I, Schindler K, Cortat Y, Liu SC, Crochet A, Pavic A, Zobi F. Efficient Direct Nitrosylation of α-Diimine Rhenium Tricarbonyl Complexes to Structurally Nearly Identical Higher Charge Congeners Activable towards Photo-CO Release. Molecules 2021; 26:5302. [PMID: 34500734 PMCID: PMC8434269 DOI: 10.3390/molecules26175302] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/26/2021] [Accepted: 08/28/2021] [Indexed: 11/17/2022] Open
Abstract
The reaction of rhenium α-diimine (N-N) tricarbonyl complexes with nitrosonium tetrafluoroborate yields the corresponding dicarbonyl-nitrosyl [Re(CO)2(NO)(N-N)X]+ species (where X = halide). The complexes, accessible in a single step in good yield, are structurally nearly identical higher charge congeners of the tricarbonyl molecules. Substitution chemistry aimed at the realization of equivalent dicationic species (intended for applications as potential antimicrobial agents), revealed that the reactivity of metal ion in [Re(CO)2(NO)(N-N)X]+ is that of a hard Re acid, probably due to the stronger π-acceptor properties of NO+ as compared to those of CO. The metal ion thus shows great affinity for π-basic ligands, which are consequently difficult to replace by, e.g., σ-donor or weak π-acids like pyridine. Attempts of direct nitrosylation of α-diimine fac-[Re(CO)3]+ complexes bearing π-basic OR-type ligands gave the [Re(CO)2(NO)(N-N)(BF4)][BF4] salt as the only product in good yield, featuring a stable Re-FBF3 bond. The solid state crystal structure of nearly all molecules presented could be elucidated. A fundamental consequence of the chemistry of [Re(CO)2(NO)(N-N)X]+ complexes, it that the same can be photo-activated towards CO release and represent an entirely new class of photoCORMs.
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Affiliation(s)
- Sara Nasiri Sovari
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Isabelle Kolly
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Kevin Schindler
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Youri Cortat
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Shing-Chi Liu
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Aurelien Crochet
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
| | - Aleksandar Pavic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11042 Belgrade, Serbia;
| | - Fabio Zobi
- Department of Chemistry, Fribourg University, Chemin Du Musée 9, 1700 Fribourg, Switzerland; (S.N.S.); (I.K.); (K.S.); (Y.C.); (S.-C.L.); (A.C.)
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3
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Wei D, Buhaibeh R, Canac Y, Sortais JB. Hydrosilylation Reactions Catalyzed by Rhenium. Molecules 2021; 26:molecules26092598. [PMID: 33946880 PMCID: PMC8124788 DOI: 10.3390/molecules26092598] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/13/2021] [Accepted: 04/15/2021] [Indexed: 12/02/2022] Open
Abstract
Hydrosilylation is an important process, not only in the silicon industry to produce silicon polymers, but also in fine chemistry. In this review, the development of rhenium-based catalysts for the hydrosilylation of unsaturated bonds in carbonyl-, cyano-, nitro-, carboxylic acid derivatives and alkenes is summarized. Mechanisms of rhenium-catalyzed hydrosilylation are discussed.
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Affiliation(s)
- Duo Wei
- University Rennes, CNRS, ISCR-UMR 6226, 35000 Rennes, France;
- LCC-CNRS, Université de Toulouse, UPS, 31400 Toulouse, France; (R.B.); (Y.C.)
| | - Ruqaya Buhaibeh
- LCC-CNRS, Université de Toulouse, UPS, 31400 Toulouse, France; (R.B.); (Y.C.)
| | - Yves Canac
- LCC-CNRS, Université de Toulouse, UPS, 31400 Toulouse, France; (R.B.); (Y.C.)
| | - Jean-Baptiste Sortais
- LCC-CNRS, Université de Toulouse, UPS, 31400 Toulouse, France; (R.B.); (Y.C.)
- Institut Universitaire de France 1 rue Descartes, CEDEX 05, 75231 Paris, France
- Correspondence:
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4
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Pecak J, Fleissner S, Veiros LF, Pittenauer E, Stöger B, Kirchner K. Synthesis and Catalytic Reactivity of Cobalt Pincer Nitrosyl Hydride Complexes. Organometallics 2021; 40:278-285. [PMID: 33519014 PMCID: PMC7842137 DOI: 10.1021/acs.organomet.0c00755] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Indexed: 11/30/2022]
Abstract
The synthesis, characterization, and catalytic activity of low-spin {CoNO}8 pincer complexes of the type [Co(PCP)(NO)(H)] are described. These compounds are obtained either by reacting [Co(PCP)(κ2-BH4)] with NO and Et3N or, alternatively, by reacting [Co(PCP)(NO)]+ with boranes, such as NH3·BH3 in solution. The five-coordinate, diamagnetic Co(III) complex [Co(PCPNMe-iPr)(NO)(H)] was found to be the active species in the hydroboration of alkenes with anti-Markovnikov selectivity. A range of aromatic and aliphatic alkenes were efficiently converted with pinacolborane (HBpin) under mild conditions in good to excellent yield. Mechanistic insight into the catalytic reaction is provided by means of isotope labeling, NMR spectroscopy, and APCI/ESI-MS as well as DFT calculations.
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Affiliation(s)
- Jan Pecak
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria
| | - Sarah Fleissner
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria
| | - Luis F Veiros
- Centro de Química Estrutural and Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Ernst Pittenauer
- Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria
| | - Berthold Stöger
- X-Ray Center, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria
| | - Karl Kirchner
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria
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5
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Guo CH, Zhao Y, Yang D, Wang Q, Jiao H. Exploring the Chemoselective Dehydrogenative Silylation and Hydrogenation of Divinyldisiloxane with Hydrosilane from DFT Computation. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701725] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Cai-Hong Guo
- Key Laboratory of Magnetic Molecules; Magnetic Information Materials Ministry of Education; The School of Chemical and Material Science; Shanxi Normal University; 041004 Linfen China
| | - Yan Zhao
- Key Laboratory of Magnetic Molecules; Magnetic Information Materials Ministry of Education; The School of Chemical and Material Science; Shanxi Normal University; 041004 Linfen China
| | - Dandan Yang
- Key Laboratory of Magnetic Molecules; Magnetic Information Materials Ministry of Education; The School of Chemical and Material Science; Shanxi Normal University; 041004 Linfen China
| | - Qiong Wang
- Key Laboratory of Magnetic Molecules; Magnetic Information Materials Ministry of Education; The School of Chemical and Material Science; Shanxi Normal University; 041004 Linfen China
| | - Haijun Jiao
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock; Albert-Einstein Straße 29a 18059 Rostock Germany
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6
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Glatz M, Stöger B, Himmelbauer D, Veiros LF, Kirchner K. Chemoselective Hydrogenation of Aldehydes under Mild, Base-Free Conditions: Manganese Outperforms Rhenium. ACS Catal 2018; 8:4009-4016. [PMID: 29755828 PMCID: PMC5939901 DOI: 10.1021/acscatal.8b00153] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 03/20/2018] [Indexed: 01/01/2023]
Abstract
![]()
Several
hydride Mn(I) and Re(I) PNP pincer complexes were applied
as catalysts for the homogeneous chemoselective hydrogenation of aldehydes.
Among these, [Mn(PNP-iPr)(CO)2(H)] was
found to be one of the most efficient base metal catalysts for this
process and represents a rare example which permits the selective
hydrogenation of aldehydes in the presence of ketones and other reducible
functionalities, such as C=C double bonds, esters, or nitriles.
The reaction proceeds at room temperature under base-free conditions
with catalyst loadings between 0.1 and 0.05 mol% and a hydrogen pressure
of 50 bar (reaching TONs of up to 2000). A mechanism which involves
an outer-sphere hydride transfer and reversible PNP ligand deprotonation/protonation
is proposed. Analogous isoelectronic and isostructural Re(I) complexes
were only poorly active.
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Affiliation(s)
| | | | | | - Luis F. Veiros
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais No. 1, 1049-001 Lisboa, Portugal
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7
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Li H, Wei D, Bruneau-Voisine A, Ducamp M, Henrion M, Roisnel T, Dorcet V, Darcel C, Carpentier JF, Soulé JF, Sortais JB. Rhenium and Manganese Complexes Bearing Amino-Bis(phosphinite) Ligands: Synthesis, Characterization, and Catalytic Activity in Hydrogenation of Ketones. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00020] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Haoran Li
- Université de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
| | - Duo Wei
- Université de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
| | | | - Maxime Ducamp
- Université de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
| | - Mickaël Henrion
- Université de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
| | - Thierry Roisnel
- Université de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
| | - Vincent Dorcet
- Université de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
| | | | | | | | - Jean-Baptiste Sortais
- Université de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
- LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France
- Institut Universitaire de France, 1 rue Descartes, 75231 Paris Cedex 05, France
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8
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Pérez DE, Smeltz JL, Sommer RD, Boyle PD, Ison EA. Cationic rhenium(iii) complexes: synthesis, characterization, and reactivity for hydrosilylation of aldehydes. Dalton Trans 2018; 46:4609-4616. [PMID: 28322396 DOI: 10.1039/c7dt00271h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A series of novel cationic Re(iii) complexes [(DAAm)Re(CO)(NCCH3)2][X] [DAAm = N,N-bis(2-arylaminoethyl)methylamine; aryl = C6F5 (a), Mes (b)] [X = OTf (2), BArF4 [BArF4 = tetrakis[3,5-(trifluoromethyl)phenyl]borate] (3), BF4 (4), PF6 (5)], and their analogue [(DAmA)Re(CO)(Cl)2] [DAmA = N,N-bis(2-arylamineethyl)methylamino; aryl = C6F5] (6) were synthesized. The catalytic efficiency for the hydrosilylation reaction of aldehydes using 4a (0.03 mol%) has been demonstrated to be significantly more active than rhenium catalysts previously reported in the literature. The data suggest that electron-withdrawing substituents at the diamido amine ligand increase the catalytic efficiency of the complexes. Excellent yields were achieved at ambient temperature under neat conditions using dimethylphenylsilane. The reaction affords TONs of up to 9200 and a TOF of up to 126 h-1. Kinetic and mechanistic studies were performed, and the data suggest that the reaction is via a non-hydride ionic hydrosilylation mechanism.
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Affiliation(s)
- Damaris E Pérez
- Department of Chemistry, North Carolina State University, 2620 Yarbrough Drive, Raleigh, North Carolina 27695-8204, USA.
| | - Jessica L Smeltz
- Department of Chemistry, North Carolina State University, 2620 Yarbrough Drive, Raleigh, North Carolina 27695-8204, USA.
| | - Roger D Sommer
- Department of Chemistry, North Carolina State University, 2620 Yarbrough Drive, Raleigh, North Carolina 27695-8204, USA.
| | - Paul D Boyle
- Department of Chemistry, North Carolina State University, 2620 Yarbrough Drive, Raleigh, North Carolina 27695-8204, USA.
| | - Elon A Ison
- Department of Chemistry, North Carolina State University, 2620 Yarbrough Drive, Raleigh, North Carolina 27695-8204, USA.
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9
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Fang S, Chen H, Wang W, Wei H. Mechanistic insights into the catalytic carbonyl hydrosilylation by cationic [CpM(CO)2(IMes)]+ (M = Mo, W) complexes: the intermediacy of η1-H(Si) metal complexes. NEW J CHEM 2018. [DOI: 10.1039/c7nj03856a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ionic SN2-type mechanistic pathway initiated by silane end-on coordination on the metal centers, forming η1-H(Si) Mo/W complexes, is the preferred reaction pathway for the two cationic cyclopentadienyl molybdenum/tungsten complexes, [CpM(CO)2(IMes)]+ (M = Mo, W) in catalyzing carbonyl hydrosilylation.
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Affiliation(s)
- Shaoqin Fang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Provincial Key Laboratory for NSLSCS
- Jiangsu Key Laboratory of Biomedical Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
| | - Hongcai Chen
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Provincial Key Laboratory for NSLSCS
- Jiangsu Key Laboratory of Biomedical Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
| | - Wenmin Wang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Provincial Key Laboratory for NSLSCS
- Jiangsu Key Laboratory of Biomedical Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
| | - Haiyan Wei
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Provincial Key Laboratory for NSLSCS
- Jiangsu Key Laboratory of Biomedical Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
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10
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Wei D, Roisnel T, Darcel C, Clot E, Sortais JB. Hydrogenation of Carbonyl Derivatives with a Well-Defined Rhenium Precatalyst. ChemCatChem 2016. [DOI: 10.1002/cctc.201601141] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Duo Wei
- Institut des Sciences Chimiques de Rennes; UMR 6226, CNRS Université de Rennes 1; 263 avenue du Général Leclerc 35046 Rennes Cedex France
| | - Thierry Roisnel
- Institut des Sciences Chimiques de Rennes; UMR 6226, CNRS Université de Rennes 1; 263 avenue du Général Leclerc 35046 Rennes Cedex France
| | - Christophe Darcel
- Institut des Sciences Chimiques de Rennes; UMR 6226, CNRS Université de Rennes 1; 263 avenue du Général Leclerc 35046 Rennes Cedex France
| | - Eric Clot
- Institut Charles Gerhardt; UMR 5253 CNRS-UM-ENSCM; Université de Montpellier; Place Eugène Bataillon, cc 1501 34095 Montpellier Cedex 5 France
| | - Jean-Baptiste Sortais
- Institut des Sciences Chimiques de Rennes; UMR 6226, CNRS Université de Rennes 1; 263 avenue du Général Leclerc 35046 Rennes Cedex France
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11
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Ning X, Wang J, Wei H. New Insights into Mechanism of Molybdenum(VI)–Dioxo Complex Catalyzed Hydrosilylation of Carbonyls: An Alternative Model for Activating Si–H Bond. J Phys Chem A 2016; 120:4167-78. [DOI: 10.1021/acs.jpca.6b01978] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xiaoshuang Ning
- Jiangsu Collaborative Innovation
Center of Biomedical Functional Materials, Jiangsu Provincial Key
Laboratory for NSLSCS, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China
| | - Jiandi Wang
- Jiangsu Collaborative Innovation
Center of Biomedical Functional Materials, Jiangsu Provincial Key
Laboratory for NSLSCS, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China
| | - Haiyan Wei
- Jiangsu Collaborative Innovation
Center of Biomedical Functional Materials, Jiangsu Provincial Key
Laboratory for NSLSCS, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China
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12
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Computational insights into the mechanism of iron carbonyl-catalyzed ethylene hydrosilylation or dehydrogenative silylation. COMPUT THEOR CHEM 2015. [DOI: 10.1016/j.comptc.2015.07.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Chakraborty S, Blacque O, Fox T, Berke H. Trisphosphine-Chelate-Substituted Molybdenum and Tungsten Nitrosyl Hydrides as Highly Active Catalysts for Olefin Hydrogenations. Chemistry 2014; 20:12641-54. [PMID: 25125283 DOI: 10.1002/chem.201402736] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2014] [Revised: 05/20/2014] [Indexed: 11/12/2022]
Affiliation(s)
- Subrata Chakraborty
- Department of Chemistry, University of Zürich, Winterthurerstrasse 190, 8057 Zürich (Switzerland)
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14
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Dong H, Jiang Y, Berke H. Rhenium-mediated dehydrogenative silylation and highly regioselective hydrosilylation of nitrile substituted olefins. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2013.10.052] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Chakraborty S, Blacque O, Fox T, Berke H. Highly Active, Low-Valence Molybdenum- and Tungsten-Amide Catalysts for Bifunctional Imine-Hydrogenation Reactions. Chem Asian J 2013; 9:328-37. [DOI: 10.1002/asia.201301106] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Indexed: 11/08/2022]
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16
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Chakraborty S, Blacque O, Fox T, Berke H. Highly Efficient Large Bite Angle Diphosphine Substituted Molybdenum Catalyst for Hydrosilylation. ACS Catal 2013. [DOI: 10.1021/cs4004276] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Subrata Chakraborty
- Institute of Inorganic Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Olivier Blacque
- Institute of Inorganic Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Thomas Fox
- Institute of Inorganic Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Heinz Berke
- Institute of Inorganic Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
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17
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Mahmood A, Akgun Z, Peng Y, Müller P, Jiang Y, Berke H, Jones AG, Nicholson T. The synthesis and characterization of rhenium nitrosyl complexes. The X-ray crystal structures of [ReBr2(NO)(NCMe)3], [Re(NO)(N5)](BPh4)2] and [ReBr2(NO)(NCMe){py-CH2-NH∼CH2CH2-N(CH2-py)2}]. Inorganica Chim Acta 2013. [DOI: 10.1016/j.ica.2013.01.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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18
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Jiang Y, Schirmer B, Blacque O, Fox T, Grimme S, Berke H. The “Catalytic Nitrosyl Effect”: NO Bending Boosting the Efficiency of Rhenium Based Alkene Hydrogenations. J Am Chem Soc 2013; 135:4088-102. [DOI: 10.1021/ja400135d] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yanfeng Jiang
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse
190, CH-8037, Zürich, Switzerland
| | - Birgitta Schirmer
- Organisch-Chemisches Institut, Universität Münster, Corrensstrasse 40,
48149 Münster, Germany
| | - Olivier Blacque
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse
190, CH-8037, Zürich, Switzerland
| | - Thomas Fox
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse
190, CH-8037, Zürich, Switzerland
| | - Stefan Grimme
- Mulliken Center for Theoretical
Chemistry, Institut für Physikalische und Theoretische Chemie, Universität Bonn, Beringstrasse 4, D-53115 Bonn,
Germany
| | - Heinz Berke
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse
190, CH-8037, Zürich, Switzerland
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19
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Smeltz JL, Boyle PD, Ison EA. Role of Low-Valent Rhenium Species in Catalytic Hydrosilylation Reactions with Oxorhenium Catalysts. Organometallics 2012. [DOI: 10.1021/om300654q] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jessica L. Smeltz
- Department of Chemistry, North Carolina State University, 2620
Yarbrough Drive, Raleigh, North Carolina 27695-8204, United States
| | - Paul D. Boyle
- Department of Chemistry, North Carolina State University, 2620
Yarbrough Drive, Raleigh, North Carolina 27695-8204, United States
| | - Elon A. Ison
- Department of Chemistry, North Carolina State University, 2620
Yarbrough Drive, Raleigh, North Carolina 27695-8204, United States
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20
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Landwehr A, Dudle B, Fox T, Blacque O, Berke H. Bifunctional Rhenium Complexes for the Catalytic Transfer-Hydrogenation Reactions of Ketones and Imines. Chemistry 2012; 18:5701-14. [DOI: 10.1002/chem.201103685] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2011] [Indexed: 12/20/2022]
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Dudle B, Blacque O, Berke H. Ethylene Reactions of a [ReH(η2-BH4)(NO)(PPh3)2] Complex: Reductive Elimination of Ethane and Oxidative Coupling to Butadiene. Organometallics 2012. [DOI: 10.1021/om201187w] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Balz Dudle
- Institute of Inorganic
Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich
| | - Olivier Blacque
- Institute of Inorganic
Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich
| | - Heinz Berke
- Institute of Inorganic
Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich
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22
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Mejía E, Togni A. Rhenium Complexes Containing the Chiral Tridentate Ferrocenyl Ligand Pigiphos. Organometallics 2011. [DOI: 10.1021/om200621y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Esteban Mejía
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology, ETH Zürich, CH-8093 Zürich, Switzerland
| | - Antonio Togni
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology, ETH Zürich, CH-8093 Zürich, Switzerland
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23
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Dudle B, Rajesh K, Blacque O, Berke H. Rhenium Nitrosyl Complexes Bearing Large-Bite-Angle Diphosphines. Organometallics 2011. [DOI: 10.1021/om200092y] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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24
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Dudle B, Rajesh K, Blacque O, Berke H. Rhenium in Homogeneous Catalysis: [ReBrH(NO)(labile ligand)(large-bite-angle diphosphine)] Complexes as Highly Active Catalysts in Olefin Hydrogenations. J Am Chem Soc 2011; 133:8168-78. [DOI: 10.1021/ja107245k] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Balz Dudle
- Institute of Inorganic Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich
| | - Kunjanpillai Rajesh
- Institute of Inorganic Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich
| | - Olivier Blacque
- Institute of Inorganic Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich
| | - Heinz Berke
- Institute of Inorganic Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich
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25
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A mild and efficient rhenium-catalyzed transfer hydrogenation of terminal olefins using alcoholysis of amine–borane adducts as a reducing system. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2011.01.027] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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26
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Jiang Y, Blacque O, Berke H. Probing the catalytic potential of chloro nitrosyl rhenium(I) complexes. Dalton Trans 2011; 40:2578-87. [PMID: 21286595 DOI: 10.1039/c0dt00842g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reduction of the mononitrosyl Re(II) salt [NMe(4)](2)[ReCl(5)(NO)] (1) with zinc in acetonitrile afforded the Re(i) dichloride complex [ReCl(2)(NO)(CH(3)CN)(3)] (2). Subsequent ligand substitution reactions with PCy(3), PiPr(3) and P(p-tolyl)(3) afforded the bisphosphine Re(i) complexes [ReCl(2)(NO)(PR(3))(2)(CH(3)CN)] (3, R = Cy a, iPr b, p-tolyl c) in good yields. The acetonitrile ligand in 3 is labile, permitting its replacement with H(2) (1 bar) to afford the dihydrogen Re(I) complexes [ReCl(2)(NO)(PR(3))(2)(η(2)-H(2))] (4, R = Cy a, iPr b). The catalytic activity of 2, 3 and 4 in hydrogen-related catalyses including dehydrocoupling of Me(2)NH·BH(3), dehydrogenative silylation of styrenes, and hydrosilylation of ketones and aryl aldehydes were investigated, with the main focus on phosphine and halide effects. In the dehydrocoupling of Me(2)NH·BH(3), the phosphine-free complex 2 exhibits the same activity as the bisphosphine-substituted systems. In the dehydrogenative silylation of styrenes, 3a and 4a bearing PCy(3) ligands exhibit high catalytic activities. Monochloro Re(I) hydrides [Re(Cl)(H)(NO)(PR(3))(2)(CH(3)CN)] (5, R = Cy a, iPr b) were proven to be formed in the initiation pathway. The phosphine-free complex 2 showed in dehydrogenative silylations even higher activity than the bisphosphine derivatives, which further emphasizes the importance of a facile phosphine dissociation in the catalytic process. In the hydrosilylation of ketones and aryl aldehydes, at least one rhenium-bound phosphine is required to ensure high catalytic activity.
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Affiliation(s)
- Yanfeng Jiang
- Anorganisch-chemisches Institut, Universität Zürich. Winterthurerstr. 190, CH-8037, Zürich, Schweiz
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27
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Jiang Y, Hess J, Fox T, Berke H. Rhenium Hydride/Boron Lewis Acid Cocatalysis of Alkene Hydrogenations: Activities Comparable to Those of Precious Metal Systems. J Am Chem Soc 2010; 132:18233-47. [DOI: 10.1021/ja107187r] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yanfeng Jiang
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8037 Zürich, Switzerland
| | - Jeannine Hess
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8037 Zürich, Switzerland
| | - Thomas Fox
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8037 Zürich, Switzerland
| | - Heinz Berke
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8037 Zürich, Switzerland
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28
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Putzien S, Nuyken O, Kühn FE. Functionalized polysilalkylene siloxanes (polycarbosiloxanes) by hydrosilylation—Catalysis and synthesis. Prog Polym Sci 2010. [DOI: 10.1016/j.progpolymsci.2010.01.007] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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29
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Jiang Y, Blacque O, Fox T, Frech CM, Berke H. Facile synthetic access to rhenium(II) complexes: activation of carbon-bromine bonds by single-electron transfer. Chemistry 2010; 16:2240-9. [PMID: 20066700 DOI: 10.1002/chem.200902600] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The five-coordinated Re(I) hydride complexes [Re(Br)(H)(NO)(PR(3))(2)] (R=Cy 1 a, iPr 1 b) were reacted with benzylbromide, thereby affording the 17-electron mononuclear Re(II) hydride complexes [Re(Br)(2)(H)(NO)(PR(3))(2)] (R=Cy 3 a, iPr 3 b), which were characterized by EPR, cyclic voltammetry, and magnetic susceptibility measurements. In the case of dibromomethane or bromoform, the reaction of 1 afforded Re(II) hydrides 3 in addition to Re(I) carbene hydrides [Re(=CHR(1))(Br)(H)(NO)(PR(3))(2)] (R(1)=H 4, Br 5; R=Cy a, iPr b) in which the hydride ligand is positioned cis to the carbene ligand. For comparison, the dihydrogen Re(I) dibromide complexes [Re(Br)(2)(NO)(PR(3))(2)(eta(2)-H(2))] (R=Cy 2 a, iPr 2 b) were reacted with allyl- or benzylbromide, thereby affording the monophosphine Re(II) complex salts [R(3)PCH(2)R'][Re(Br)(4)(NO)(PR(3))] (R'=-CH=CH(2) 6, Ph 7). The reduction of Re(II) complexes has also been examined. Complex 3 a or 3 b can be reduced by zinc to afford 1 a or 1 b in high yield. Under catalytic conditions, this reaction enables homocoupling of benzylbromide (turnover frequency (TOF): 3 a 150, 3 b 134 h(-1)) or allylbromide (TOF: 3 a 575, 3 b 562 h(-1)). The reaction of 6 a and 6 b with zinc in acetonitrile affords in good yields the monophosphine Re(I) complexes [Re(Br)(2)(NO)(MeCN)(2)(PR(3))] (R=Cy 8 a, iPr 8 b), which showed high catalytic activity toward highly selective dehydrogenative silylation of styrenes (maximum TOF of 61 h(-1)). Single-electron transfer (SET) mechanisms were proposed for all these transformations. The molecular structures of 3 a, 6 a, 6 b, 7 a, 7 b, and 8 a were established by single-crystal X-ray diffraction studies.
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Affiliation(s)
- Yanfeng Jiang
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, 8037 Zürich, Switzerland
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30
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31
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Liu L, Bi S, Sun M, Yuan X, Zheng N, Li P. Mechanistic investigation on hydrogenation and hydrosilylation of ethylene catalyzed by rhenium nitrosyl complex. J Organomet Chem 2009. [DOI: 10.1016/j.jorganchem.2009.05.038] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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32
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Dong H, Berke H. A Convenient and Efficient Rhenium-Catalyzed Hydrosilylation of Ketones and Aldehydes. Adv Synth Catal 2009. [DOI: 10.1002/adsc.200900246] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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33
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Jiang Y, Blacque O, Fox T, Frech CM, Berke H. From Alkynes to Carbenes Mediated by [Re(Br)(H)(NO)(PR3)2] (R = Cy, iPr) Complexes. Organometallics 2009. [DOI: 10.1021/om900459x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yanfeng Jiang
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8037, Zürich, Switzerland
| | - Olivier Blacque
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8037, Zürich, Switzerland
| | - Thomas Fox
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8037, Zürich, Switzerland
| | - Christian M. Frech
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8037, Zürich, Switzerland
| | - Heinz Berke
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, CH-8037, Zürich, Switzerland
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Jiang Y, Blacque O, Fox T, Frech CM, Berke H. Highly selective dehydrogenative silylation of alkenes catalyzed by rhenium complexes. Chemistry 2009; 15:2121-8. [PMID: 19137560 DOI: 10.1002/chem.200802019] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Choosy chemicals: Rhenium(I) complexes of type [ReBr(2)(L)(NO)(PR(3))(2)] (L=H(2) (1), CH(3)CN (2), ethylene (3); R=iPr (a), cyclohexyl (b)) proved to be suitable catalyst precursors for the highly selective dehydrogenative silylation of alkenes. Two types of rhenium(I) hydride species, [ReBrH(NO)(PR(3))(2)] (4) and [ReBr(eta(2)-CH(2)=CHR(1))H(NO)(PR(3))(2)] (5), were found in the [ReBr(2)(L)(NO)(PR(3))(2)]-catalyzed dehydrogenative silylation of alkenes.Rhenium(I) complexes of type [ReBr(2)(L)(NO)(PR(3))(2)] (L=H(2) (1), CH(3)CN (2), and ethylene (3); R=iPr (a) and cyclohexyl (Cy; b)) catalyze dehydrogenative silylation of alkenes in a highly selective manner to yield silyl alkenes and the corresponding alkanes. Hydrosilylation products appear only rarely depending on the type of olefinic substituent, and if they do appear then it is in very minor amounts. Mechanistic studies showed that two rhenium(I) hydride species of type [ReBrH(NO)(PR(3))(2)] (R=iPr (4 a) and Cy (4 b)) and [ReBr(eta(2)-CH(2)=CHR(1))H(NO)(PR(3))(2)] (R(1)=p-CH(3)C(6)H(4), R=iPr (5 a), Cy (5 b); R(1)=H, R=iPr (5 a'), Cy (5 b')) are involved in the initiation pathway of the catalysis. The rate-determining steps of the catalytic cycle are the phosphine dissociation from complexes of type 5 and the reductive eliminations to form the alkane components. The catalytic cycle implies that the given rhenium systems have the ability to activate C-H and Si-H bonds through the aid of a facile redox interplay of Re(I) and Re(III) species. The molecular structures of 4 b and 5 a were established by means of X-ray diffraction studies.
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Affiliation(s)
- Yanfeng Jiang
- Anorganisch-Chemisches Institut, Universität Zürich, Winterthurerstrasse 190, 8037 Zürich, Switzerland
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