1
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Decker D, Wei Z, Rabeah J, Drexler HJ, Brückner A, Jiao H, Beweries T. Catalytic and mechanistic studies of a highly active and E-selective Co(II) PNNH pincer catalyst system for transfer-semihydrogenation of internal alkynes. Inorg Chem Front 2022. [DOI: 10.1039/d1qi00998b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein we report the application of a Co(II) PNNH pincer catalyst system (PNNH = 2-(5-(t-butyl)-1H-pyrazol-3-yl)-6-(dialkylphosphinomethyl)pyridine) for the highly E-selective transfer semihydrogenation of internal diaryl alkynes using methanol and ammonia borane...
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2
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Lindenau K, Spannenberg A, Reiß F, Beweries T. Mono- and dinuclear zirconocene( iv) amide complexes for the catalytic dehydropolymerisation of phenylsilane. RSC Adv 2022; 12:26277-26283. [PMID: 36275119 PMCID: PMC9477068 DOI: 10.1039/d2ra04955d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 09/08/2022] [Indexed: 11/21/2022] Open
Abstract
Mono- and dinuclear zirconocene amide complexes were tested as catalysts for the dehydropolymerisation of phenylsilane. The dinuclear complex is surprisingly stable, producing mixtures of polysilanes and cyclic oligomers.
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Affiliation(s)
- Kevin Lindenau
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Anke Spannenberg
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Fabian Reiß
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Torsten Beweries
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059 Rostock, Germany
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3
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Lindenau K, Jannsen N, Rippke M, Al Hamwi H, Selle C, Drexler HJ, Spannenberg A, Sawall M, Neymeyr K, Heller D, Reiß F, Beweries T. Mechanistic insights into dehydrocoupling of amine boranes using dinuclear zirconocene complexes. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00531f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Catalytic dehydrocoupling of H3B·NMe2H using Cp2Zr(Cl)(μ-Me3SiC3SiMe3)Zr(Cl)Cp2 (1)/MeLi was studied. Spectroscopic monitoring and stoichiometric experiments show the formation and interconversion of several catalytically active Zr species.
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Affiliation(s)
| | - Nora Jannsen
- Leibniz-Institut für Katalyse e.V
- 18059 Rostock
- Germany
| | - Mirko Rippke
- Leibniz-Institut für Katalyse e.V
- 18059 Rostock
- Germany
| | | | - Carmen Selle
- Leibniz-Institut für Katalyse e.V
- 18059 Rostock
- Germany
| | | | | | - Mathias Sawall
- Institut für Mathematik
- Universität Rostock
- 18055 Rostock
- Germany
| | - Klaus Neymeyr
- Leibniz-Institut für Katalyse e.V
- 18059 Rostock
- Germany
- Institut für Mathematik
- Universität Rostock
| | - Detlef Heller
- Leibniz-Institut für Katalyse e.V
- 18059 Rostock
- Germany
| | - Fabian Reiß
- Leibniz-Institut für Katalyse e.V
- 18059 Rostock
- Germany
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4
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Hasche P, Haak J, Anke F, Kubis C, Baumann W, Drexler HJ, Jiao H, Beweries T. Dehydropolymerisation of methylamine borane using highly active rhodium(iii) bis(thiophosphinite) pincer complexes: catalytic and mechanistic insights. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00124h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The bis(thiophosphinite) pincer complexes [(RPSCSPR)Rh(py)(H)(Cl)] (RPSCSPR = C6H4–2,6-(SPR2)2 with R = iPr, 2a and R = Ph, 2b) are highly active precatalysts for the dehydropolymerisation of methylamine borane.
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Affiliation(s)
- Patrick Hasche
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
| | - Julia Haak
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
| | - Felix Anke
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
| | - Christoph Kubis
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
| | | | | | - Haijun Jiao
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
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5
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LaPierre EA, Patrick BO, Manners I. Trivalent Titanocene Alkyls and Hydrides as Well-Defined, Highly Active, and Broad Scope Precatalysts for Dehydropolymerization of Amine-Boranes. J Am Chem Soc 2019; 141:20009-20015. [DOI: 10.1021/jacs.9b11112] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Etienne A. LaPierre
- Department of Chemistry, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia V8P 5C2, Canada
| | - Brian O. Patrick
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Ian Manners
- Department of Chemistry, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia V8P 5C2, Canada
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6
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Rosenthal U. Advantages of Group 4 Metallocene Bis(trimethylsilyl)acetylene Complexes as Metallocene Sources Towards Other Synthetically used Systems. ChemistryOpen 2019; 8:1036-1047. [PMID: 31406652 PMCID: PMC6682945 DOI: 10.1002/open.201900196] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 07/09/2019] [Indexed: 12/21/2022] Open
Abstract
Active species for synthetic and catalytic applications are formed from well defined complexes or mixtures of compounds. For group 4 metallocenes, three pathways for the formation of the reactive complex fragment [Cp'2M] are known: (i) reductive mixtures and well defined complexes which are able to form the metallocene fragments either by (ii) addition or (iii) substitution reactions. In this account for each of theses systems (i)-(iii) a prominent example will be discussed in detail, (i) the Negishi reagent Cp2ZrCl2/n-BuLi, (ii) bis(η5 : η1-pentafulvene) complexes and (iii) metallocene bis(trimethylsilyl)acetylene complexes, to show the advantages and the disadvantages for each of these methods for synthetic applications. This account summarizes some main advantages of group 4 metallocene bis(trimethylsilyl)acetylene complexes as metallocene generating agents over other synthetically used systems. For each of the special purposes, all described systems have advantages as well as disadvantages. The aim of this overview is to help synthetic chemists in selecting the most effective system on the basis of [Cp'2M] (M=Ti, Zr) for synthetic or catalytic puposes.
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Affiliation(s)
- Uwe Rosenthal
- Leibniz-Institute for Catalysis at theUniversity of RostockAlbert-Einstein-Strasse 29 A19059RostockGermany
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7
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A new highly active polymer supported ruthenium nanocatalyst for the hydrolytic dehydrogenation of dimethylamine-borane. J Taiwan Inst Chem Eng 2019. [DOI: 10.1016/j.jtice.2019.02.032] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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8
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Han D, Anke F, Trose M, Beweries T. Recent advances in transition metal catalysed dehydropolymerisation of amine boranes and phosphine boranes. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2018.09.016] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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9
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Rosenthal U. Recent Synthetic and Catalytic Applications of Group 4 Metallocene Bis(trimethylsilyl)acetylene Complexes. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201801484] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Uwe Rosenthal
- Leibniz Institute for Catalysis at the University of Rostock Albert‐Einstein‐Str. 29A 18059 Rostock Germany
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10
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Beaumier EP, Pearce AJ, See XY, Tonks IA. Modern applications of low-valent early transition metals in synthesis and catalysis. Nat Rev Chem 2019; 3:15-34. [PMID: 30989127 PMCID: PMC6462221 DOI: 10.1038/s41570-018-0059-x] [Citation(s) in RCA: 132] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Low-valent early transition metals are often intrinsically highly reactive as a result of their strong propensity toward oxidation to more stable high-valent states. Harnessing these highly reducing complexes for productive reactivity is potentially powerful for C-C bond construction, organic reductions, small-molecule activation and many other reactions that offer orthogonal chemoselectivity and/or regioselectivity patterns to processes promoted by late transition metals. Recent years have seen many exciting new applications of low-valent metals through building new catalytic and/or multicomponent reaction manifolds out of classical reactivity patterns. In this Review, we survey new methods that employ early transition metals and invoke low-valent precursors or intermediates in order to identify common themes and strategies in synthesis and catalysis.
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Affiliation(s)
- Evan P. Beaumier
- Department of Chemistry, University of Minnesota, Minneapolis, MN, USA
| | - Adam J. Pearce
- Department of Chemistry, University of Minnesota, Minneapolis, MN, USA
| | - Xin Yi See
- Department of Chemistry, University of Minnesota, Minneapolis, MN, USA
| | - Ian A. Tonks
- Department of Chemistry, University of Minnesota, Minneapolis, MN, USA
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11
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Carbon-nanotube-based rhodium nanoparticles as highly-active catalyst for hydrolytic dehydrogenation of dimethylamineborane at room temperature. J Colloid Interface Sci 2018; 530:321-327. [DOI: 10.1016/j.jcis.2018.06.100] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 06/29/2018] [Accepted: 06/30/2018] [Indexed: 11/21/2022]
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12
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Trose M, Reiß M, Reiß F, Anke F, Spannenberg A, Boye S, Lederer A, Arndt P, Beweries T. Dehydropolymerisation of methylamine borane using a dinuclear 1,3-allenediyl bridged zirconocene complex. Dalton Trans 2018; 47:12858-12862. [PMID: 30156242 DOI: 10.1039/c8dt03311k] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The dinuclear zirconocene chloride complex 1 is a highly active precatalyst for the dehydropolymerisation of methylamine borane. Comparison with mononuclear Zr chlorides and related dinuclear complexes suggests that the nature of the bridging motif is essential for the unique reactivity of 1.
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Affiliation(s)
- M Trose
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
| | - M Reiß
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
| | - F Reiß
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
| | - F Anke
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
| | - A Spannenberg
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
| | - S Boye
- Leibniz-Institut für Polymerforschung Dresden, Hohe Str. 6, 01069 Dresden, Germany
| | - A Lederer
- Leibniz-Institut für Polymerforschung Dresden, Hohe Str. 6, 01069 Dresden, Germany and Technische Universität Dresden, 01062 Dresden, Germany
| | - P Arndt
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
| | - T Beweries
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
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13
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Şen B, Demirkan B, Savk A, Kartop R, Nas MS, Alma MH, Sürdem S, Şen F. High-performance graphite-supported ruthenium nanocatalyst for hydrogen evolution reaction. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.07.117] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Rosenthal U. Reactions of Group 4 Metallocene Bis(trimethylsilyl)acetylene Complexes with Nitriles and Isonitriles. Angew Chem Int Ed Engl 2018; 57:14718-14735. [DOI: 10.1002/anie.201805157] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Uwe Rosenthal
- Leibniz Institute for Catalysis at the; University of Rostock; Albert-Einstein-Strasse 29A 18059 Rostock Germany
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15
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Rosenthal U. Reaktionen von Gruppe-4-Metallocen-Komplexen des Bis(trimethylsilyl)acetylens mit Nitrilen und Isonitrilen. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805157] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- U. Rosenthal
- Leibniz-Institut für Katalyse an der; Universität Rostock; Albert-Einstein-Straße 29A 18059 Rostock Deutschland
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16
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Theoretical exploration of H2X (X = O, S, Se) and HY (Y = F, Cl, Br) assisted H2-release from ammonia-borane and related compounds: mechanistic insights from theoretical viewpoint. Theor Chem Acc 2018. [DOI: 10.1007/s00214-018-2299-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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17
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Erickson KA, Kiplinger JL. Catalytic Dehydrogenation of Dimethylamine Borane by Highly Active Thorium and Uranium Metallocene Complexes. ACS Catal 2017. [DOI: 10.1021/acscatal.7b00967] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Karla A. Erickson
- Chemistry Division, Mail
Stop J514, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Jaqueline L. Kiplinger
- Chemistry Division, Mail
Stop J514, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
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18
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Photophysics of BODIPY Dyes as Readily-Designable Photosensitisers in Light-Driven Proton Reduction. INORGANICS 2017. [DOI: 10.3390/inorganics5020021] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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19
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Han D, Joksch M, Klahn M, Spannenberg A, Drexler HJ, Baumann W, Jiao H, Knitsch R, Hansen MR, Eckert H, Beweries T. Iridium(iii) hydrido complexes for the catalytic dehydrogenation of hydrazine borane. Dalton Trans 2016; 45:17697-17704. [DOI: 10.1039/c6dt03068h] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of POCOP iridium hydride complexes with differently substituted aryl backbones catalyse the selective release of one equivalent of hydrogen from hydrazine borane.
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Affiliation(s)
- D. Han
- Leibniz-Institut für Katalyse an der Universität Rostock e.V
- 18059 Rostock
- Germany
| | - M. Joksch
- Leibniz-Institut für Katalyse an der Universität Rostock e.V
- 18059 Rostock
- Germany
| | - M. Klahn
- Leibniz-Institut für Katalyse an der Universität Rostock e.V
- 18059 Rostock
- Germany
| | - A. Spannenberg
- Leibniz-Institut für Katalyse an der Universität Rostock e.V
- 18059 Rostock
- Germany
| | - H.-J. Drexler
- Leibniz-Institut für Katalyse an der Universität Rostock e.V
- 18059 Rostock
- Germany
| | - W. Baumann
- Leibniz-Institut für Katalyse an der Universität Rostock e.V
- 18059 Rostock
- Germany
| | - H. Jiao
- Leibniz-Institut für Katalyse an der Universität Rostock e.V
- 18059 Rostock
- Germany
| | - R. Knitsch
- Westfälische Wilhelms-Universität Münster
- Institut für Physikalische Chemie
- 48149 Münster
- Germany
| | - M. R. Hansen
- Westfälische Wilhelms-Universität Münster
- Institut für Physikalische Chemie
- 48149 Münster
- Germany
| | - H. Eckert
- Westfälische Wilhelms-Universität Münster
- Institut für Physikalische Chemie
- 48149 Münster
- Germany
- Institute of Physics Sao Carlos
| | - T. Beweries
- Leibniz-Institut für Katalyse an der Universität Rostock e.V
- 18059 Rostock
- Germany
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20
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Dura L, Ahrens J, Pohl MM, Höfler S, Bröring M, Beweries T. Design of BODIPY Dyes as Photosensitisers in Multicomponent Catalyst Systems for Light-Driven Hydrogen Production. Chemistry 2015; 21:13549-52. [DOI: 10.1002/chem.201501637] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Indexed: 01/13/2023]
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21
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Djamil J, Segler SAW, Bensch W, Schürmann U, Deng M, Kienle L, Hansen S, Beweries T, von Wüllen L, Rosenfeldt S, Förster S, Reinsch H. In Situ Formation of a MoS2-Based Inorganic-Organic Nanocomposite by Directed Thermal Decomposition. Chemistry 2015; 21:8918-25. [DOI: 10.1002/chem.201406541] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Indexed: 11/09/2022]
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22
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Kim SK, Hong SA, Son HJ, Han WS, Michalak A, Hwang SJ, Kang SO. Dehydrogenation of ammonia-borane by cationic Pd(ii) and Ni(ii) complexes in a nitromethane medium: hydrogen release and spent fuel characterization. Dalton Trans 2015; 44:7373-81. [DOI: 10.1039/c5dt00599j] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work provides a comprehensive experimental study on the mechanism of AB dehydrogenation with the [Pd(MeCN)4][BF4]2 (1) catalyst.
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Affiliation(s)
- Sung-Kwan Kim
- Department of Advanced Materials Chemistry
- Korea University
- Sejong 339-700
- Korea
| | - Sung-Ahn Hong
- Department of Advanced Materials Chemistry
- Korea University
- Sejong 339-700
- Korea
| | - Ho-Jin Son
- Department of Advanced Materials Chemistry
- Korea University
- Sejong 339-700
- Korea
| | - Won-Sik Han
- Department of Chemistry
- Seoul Women's University
- Seoul
- Korea
| | - Artur Michalak
- Department of Theoretical Chemistry
- Faculty of Chemistry
- Jagiellonian University
- 30-060 Kraków
- Poland
| | - Son-Jong Hwang
- Division of Chemistry and Chemical Engineering
- California Institute of Technology
- Pasadena
- USA
| | - Sang Ook Kang
- Department of Advanced Materials Chemistry
- Korea University
- Sejong 339-700
- Korea
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23
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Klahn M, Hollmann D, Spannenberg A, Brückner A, Beweries T. Titanocene(iii) complexes with 2-phosphinoaryloxide ligands for the catalytic dehydrogenation of dimethylamine borane. Dalton Trans 2015; 44:12103-11. [DOI: 10.1039/c5dt00275c] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A study of the dehydrogenation of dimethylamine borane using different titanocene(iii) complexes with 2-phosphinoaryloxide ligands is presented.
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Affiliation(s)
- Marcus Klahn
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Dirk Hollmann
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Anke Spannenberg
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Angelika Brückner
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Torsten Beweries
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
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24
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Niefind F, Djamil J, Bensch W, Srinivasan BR, Sinev I, Grünert W, Deng M, Kienle L, Lotnyk A, Mesch MB, Senker J, Dura L, Beweries T. Room temperature synthesis of an amorphous MoS2 based composite stabilized by N-donor ligands and its light-driven photocatalytic hydrogen production. RSC Adv 2015. [DOI: 10.1039/c5ra14438h] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An amorphous molybdenum sulfide based composite has been synthesized at room temperature applying a kinetically controlled reaction. The new material exhibits an extraordinary performance in the visible light driven hydrogen evolution reaction.
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25
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26
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Sequential dehydrogenation–arylation of diisopropylamine–borane complex catalyzed by palladium nanoparticles. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.04.036] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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27
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Marziale AN, Friedrich A, Klopsch I, Drees M, Celinski VR, Schmedt auf der Günne J, Schneider S. The Mechanism of Borane–Amine Dehydrocoupling with Bifunctional Ruthenium Catalysts. J Am Chem Soc 2013; 135:13342-55. [DOI: 10.1021/ja311092c] [Citation(s) in RCA: 133] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alexander N. Marziale
- Department
Chemie und Pharmazie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstrasse 1, 91058 Erlangen, Germany
| | - Anja Friedrich
- Department
Chemie, Technische Universität München, Lichtenbergstrasse 4, 85747 Garching b. München, Germany
| | - Isabel Klopsch
- Georg-August-Universität Göttingen, Tammannstrasse
4, 37077 Göttingen, Germany
| | - Markus Drees
- Department
Chemie, Technische Universität München, Lichtenbergstrasse 4, 85747 Garching b. München, Germany
| | - Vinicius R. Celinski
- Department
Chemie und Biochemie, Ludwig-Maximilians-Universität München, Butenandtstrasse
5-13, 81377 München, Germany
| | - Jörn Schmedt auf der Günne
- Department
Chemie und Biochemie, Ludwig-Maximilians-Universität München, Butenandtstrasse
5-13, 81377 München, Germany
| | - Sven Schneider
- Department
Chemie, Technische Universität München, Lichtenbergstrasse 4, 85747 Garching b. München, Germany
- Department
Chemie und Pharmazie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstrasse 1, 91058 Erlangen, Germany
- Georg-August-Universität Göttingen, Tammannstrasse
4, 37077 Göttingen, Germany
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Robertson APM, Leitao EM, Jurca T, Haddow MF, Helten H, Lloyd-Jones GC, Manners I. Mechanisms of the Thermal and Catalytic Redistributions, Oligomerizations, and Polymerizations of Linear Diborazanes. J Am Chem Soc 2013; 135:12670-83. [DOI: 10.1021/ja404247r] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
| | - Erin M. Leitao
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol
BS8 1TS, United Kingdom
| | - Titel Jurca
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol
BS8 1TS, United Kingdom
| | - Mairi F. Haddow
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol
BS8 1TS, United Kingdom
| | - Holger Helten
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen,
Germany
| | - Guy C. Lloyd-Jones
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol
BS8 1TS, United Kingdom
| | - Ian Manners
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol
BS8 1TS, United Kingdom
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Thomas J, Klahn M, Spannenberg A, Beweries T. Group 4 metallocene catalysed full dehydrogenation of hydrazine borane. Dalton Trans 2013; 42:14668-72. [DOI: 10.1039/c3dt51370j] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Frank N, Hanau K, Flosdorf K, Langer R. Formation of an iron phosphine–borane complex by formal insertion of BH3 into the Fe–P bond. Dalton Trans 2013; 42:11252-61. [DOI: 10.1039/c3dt51254a] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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31
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Hansen S, Pohl MM, Klahn M, Spannenberg A, Beweries T. Investigation and enhancement of the stability and performance of water reduction systems based on cyclometalated iridium(III) complexes. CHEMSUSCHEM 2013; 6:92-101. [PMID: 23147800 DOI: 10.1002/cssc.201200617] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2012] [Indexed: 06/01/2023]
Abstract
Water reduction systems that use a bis-cyclometalated Ir(III) photosensitiser (PS) along with homogeneous Pd complexes as a source of in-situ-formed colloidal Pd as the water reducing complex (WRC) and triethylamine (TEA) as the sacrificial electron donor were tested and characterised with respect to their photocatalytic H(2) production performance. It was confirmed that substitution of the 2-(pyridin-2-yl)benzen-1-ide (pyb) ligand in the well-known system [Ir(pyb)(2)(bpy)](+) (bpy=2,2'-bipyridine) by the fluorinated cyclometalating ligand 5-fluoro-2-(5-methylpyridin-2-yl)benzen-1-ide (Fmpyb) tremendously enhanced the H(2) production rate. Moreover, variation of the bidentate N^N ligand bpy by alkyl substitution in the 4,4'-position resulted in an increase in the H(2) production yield by a factor of three. The incident-photon-to-hydrogen-efficiency could be enhanced from 2.6 to 12.3%. Furthermore, a new dinuclear Co complex was used as a reduction catalyst and showed up to 760 turnovers after 20 h. A detailed study of the concentration impact of all components in the photoredox system was performed. DFT calculations were used to aid the explanation of the findings.
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Affiliation(s)
- Sven Hansen
- Leibniz-Institut für Katalyse e. V. an der Universität Rostock, Albert-Einstein-Strasse 29 A, 18059 Rostock, Germany
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32
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Rossin A, Bottari G, Lozano-Vila AM, Paneque M, Peruzzini M, Rossi A, Zanobini F. Catalytic amine-borane dehydrogenation by a PCP-pincer palladium complex: a combined experimental and DFT analysis of the reaction mechanism. Dalton Trans 2013; 42:3533-41. [DOI: 10.1039/c2dt32273k] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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33
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Hansen S, Klahn M, Beweries T, Rosenthal U. An intermolecular heterobimetallic system for photocatalytic water reduction. CHEMSUSCHEM 2012; 5:656-660. [PMID: 22422641 DOI: 10.1002/cssc.201100794] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2011] [Indexed: 05/31/2023]
Abstract
Teamwork: A new intermolecular heterobimetallic system for photocatalytic water reduction, consisting of a photosensitizer of the type [Ru(bpy)(2)(L)](PF(6))(2) (L=bidentate ligand), a dichloro palladium complex PdCl(2)(L) serving as the water reduction catalyst, and triethyl amine as electron donor, is presented. Variations of the ligand as well as of the palladium source results in a significant improvement of the performance of the catalyst system.
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Affiliation(s)
- Sven Hansen
- Leibniz-Institut für Katalyse eV an der Universität Rostock, Rostock, Germany
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Caliskan S, Zahmakiran M, Durap F, Özkar S. Hydrogen liberation from the hydrolytic dehydrogenation of dimethylamine–borane at room temperature by using a novel ruthenium nanocatalyst. Dalton Trans 2012; 41:4976-84. [DOI: 10.1039/c2dt00042c] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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