1
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Culver DB, Boncella JM. Double Intramolecular 1,2 C-H Addition of o-Methyl Groups To Form Ruthenium Pincer Double Tuck-In Complexes. Inorg Chem 2023; 62:19383-19388. [PMID: 37971401 DOI: 10.1021/acs.inorgchem.3c02499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Ruthenium pincer complexes have a rich history of coordination and reaction chemistries. In this work, we report our discoveries of previously unreported Ru pincer coordination geometries. We found that mono tuck-in κ4-ArPNHPRuLCl complexes react with NaN(SiMe3)2 producing double tuck-in mer-κ5-ArPNHPRuL complexes. Interestingly, when κ4-MesPNHPRuCl is dehydrohalogenated, the resulting double tuck-in complex binds N2, forming the nitrogen complex κ5-MesPNHPRuN2. The mer-κ5-ArPNHPRuL complexes thermally isomerize to the fac-κ5-ArPNHPRuL isomers, which is an uncommon reaction for pincer complexes. The mer-κ5-ArPNHPRuL complexes react with CO and CO2 to form amide κ4-ArPNHPRu(CO)L or carbamate κ5-ArPN(CO2)PRuL complexes, respectively, supporting the hypothesis that the κ4-ArPNPRuL amide intermediates are accessible and reactive.
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Affiliation(s)
- Damien B Culver
- Washington State University, Pullman, Washington 99164, United States
| | - James M Boncella
- Washington State University, Pullman, Washington 99164, United States
- Pacific Northwest National Laboratory, Richland, Washington 99354, United States
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2
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G Jafari M, Fehn D, Reinholdt A, Hernández-Prieto C, Patel P, Gau MR, Carroll PJ, Krzystek J, Liu C, Ozarowski A, Telser J, Delferro M, Meyer K, Mindiola DJ. Tale of Three Molecular Nitrides: Mononuclear Vanadium (V) and (IV) Nitrides As Well As a Mixed-Valence Trivanadium Nitride Having a V 3N 4 Double-Diamond Core. J Am Chem Soc 2022; 144:10201-10219. [PMID: 35652694 DOI: 10.1021/jacs.2c00276] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Transmetallation of [VCl3(THF)3] and [TlTptBu,Me] afforded [(TptBu,Me)VCl2] (1, TptBu,Me = hydro-tris(3-tert-butyl-5-methylpyrazol-1-yl)borate), which was reduced with KC8 to form a C3v symmetric VII complex, [(TptBu,Me)VCl] (2). Complex 1 has a high-spin (S = 1) ground state and displays rhombic high-frequency and -field electron paramagnetic resonance (HFEPR) spectra, while complex 2 has an S = 3/2 4A2 ground state observable by conventional EPR spectroscopy. Complex 1 reacts with NaN3 to form the VV nitride-azide complex [(TptBu,Me)V≡N(N3)] (3). A likely VIII azide intermediate en route to 3, [(TptBu,Me)VCl(N3)] (4), was isolated by reacting 1 with N3SiMe3. Complex 4 is thermally stable but reacts with NaN3 to form 3, implying a bis-azide intermediate, [(TptBu,Me)V(N3)2] (A), leading to 3. Reduction of 3 with KC8 furnishes a trinuclear and mixed-valent nitride, [{(TptBu,Me)V}2(μ4-VN4)] (5), conforming to a Robin-Day class I description. Complex 5 features a central vanadium ion supported only by bridging nitride ligands. Contrary to 1, complex 2 reacts with NaN3 to produce an azide-bridged dimer, [{(TptBu,Me)V}2(1,3-μ2-N3)2] (6), with two antiferromagnetically coupled high-spin VII ions. Complex 5 could be independently produced along with [(κ2-TptBu,Me)2V] upon photolysis of 6 in arene solvents. The putative {VIV≡N} intermediate, [(TptBu,Me)V≡N] (B), was intercepted by photolyzing 6 in a coordinating solvent, such as tetrahydrofuran (THF), yielding [(TptBu,Me)V≡N(THF)] (B-THF). In arene solvents, B-THF expels THF to afford 5 and [(κ2-TptBu,Me)2V]. A more stable adduct (B-OPPh3) was prepared by reacting B-THF with OPPh3. These adducts of B are the first neutral and mononuclear VIV nitride complexes to be isolated.
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Affiliation(s)
- Mehrafshan G Jafari
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Dominik Fehn
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), 91058 Erlangen, Germany
| | - Anders Reinholdt
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Cristina Hernández-Prieto
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Prajay Patel
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Michael R Gau
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Patrick J Carroll
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - J Krzystek
- National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, United States
| | - Cong Liu
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Andrew Ozarowski
- National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, United States
| | - Joshua Telser
- Department of Biological, Physical and Health Sciences, Roosevelt University, Chicago, Illinois 60605, United States
| | - Massimiliano Delferro
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Karsten Meyer
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), 91058 Erlangen, Germany
| | - Daniel J Mindiola
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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3
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Sivan AK, Thomas JM, Jeyakumar TC, Sivasankar C. Molybdenum bound nitrogen doped graphene catalyst for reduction of N
2
to NH
3
and NH
2
NH
2
, using FLP as a co‐catalyst: a DFT study. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Akhil K. Sivan
- Catalysis and Energy Laboratory, Department of Chemistry Pondicherry University (A Central University) Puducherry India
| | - Jisha Mary Thomas
- Catalysis and Energy Laboratory, Department of Chemistry Pondicherry University (A Central University) Puducherry India
| | | | - Chinnappan Sivasankar
- Catalysis and Energy Laboratory, Department of Chemistry Pondicherry University (A Central University) Puducherry India
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4
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Tanabe Y, Nishibayashi Y. Comprehensive insights into synthetic nitrogen fixation assisted by molecular catalysts under ambient or mild conditions. Chem Soc Rev 2021; 50:5201-5242. [PMID: 33651046 DOI: 10.1039/d0cs01341b] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
N2 is fixed as NH3 industrially by the Haber-Bosch process under harsh conditions, whereas biological nitrogen fixation is achieved under ambient conditions, which has prompted development of alternative methods to fix N2 catalyzed by transition metal molecular complexes. Since the early 21st century, catalytic conversion of N2 into NH3 under ambient conditions has been achieved by using molecular catalysts, and now H2O has been utilized as a proton source with turnover frequencies reaching the values found for biological nitrogen fixation. In this review, recent advances in the development of molecular catalysts for synthetic N2 fixation under ambient or mild conditions are summarized, and potential directions for future research are also discussed.
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Affiliation(s)
- Yoshiaki Tanabe
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Yoshiaki Nishibayashi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
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5
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Rempel A, Mellerup SK, Fantuzzi F, Herzog A, Deißenberger A, Bertermann R, Engels B, Braunschweig H. Functionalization of N 2 via Formal 1,3-Haloboration of a Tungsten(0) σ-Dinitrogen Complex. Chemistry 2020; 26:16019-16027. [PMID: 32957161 PMCID: PMC7756771 DOI: 10.1002/chem.202002678] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/03/2020] [Indexed: 11/11/2022]
Abstract
Boron tribromide and aryldihaloboranes were found to undergo 1,3-haloboration across one W-N≡N moiety of a group 6 end-on dinitrogen complex (i.e. trans-[W(N2 )2 (dppe)2 ]). The N-borylated products consist of a reduced diazenido unit sandwiched between a WII center and a trivalent boron substituent (W-N=N-BXAr), and have all been fully characterized by NMR and IR spectroscopy, elemental analysis, and single-crystal X-ray diffraction. Both the terminal N atom and boron center in the W-N=N-BXAr unit can be further derivatized using electrophiles and nucleophiles/Lewis bases, respectively. This mild reduction and functionalization of a weakly activated N2 ligand with boron halides is unprecedented, and hints at the possibility of generating value-added nitrogen compounds directly from molecular dinitrogen.
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Affiliation(s)
- Anna Rempel
- Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
- Institute for Inorganic ChemistryJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Soren K. Mellerup
- Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
- Institute for Inorganic ChemistryJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Felipe Fantuzzi
- Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
- Institute for Inorganic ChemistryJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
- Institute for Physical and Theoretical ChemistryJulius-Maximilians-Universität WürzburgEmil-Fischer-Str. 4297074WürzburgGermany
| | - Anselm Herzog
- Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
- Institute for Inorganic ChemistryJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Andrea Deißenberger
- Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
- Institute for Inorganic ChemistryJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Rüdiger Bertermann
- Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
- Institute for Inorganic ChemistryJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Bernd Engels
- Institute for Physical and Theoretical ChemistryJulius-Maximilians-Universität WürzburgEmil-Fischer-Str. 4297074WürzburgGermany
| | - Holger Braunschweig
- Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
- Institute for Inorganic ChemistryJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
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6
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Zhai DD, Xie SJ, Xia Y, Fang HY, Shi ZJ. Silylamido supported dinitrogen heterobimetallic complexes: syntheses and their catalytic ability. Natl Sci Rev 2020; 8:nwaa290. [PMID: 34987834 PMCID: PMC8694672 DOI: 10.1093/nsr/nwaa290] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 11/25/2020] [Accepted: 11/25/2020] [Indexed: 11/13/2022] Open
Abstract
Molybdenum dinitrogen complexes supported by monodentate arylsilylamido ligand, [Ar(Me3Si)N]3MoN2Mg(THF)2[N(SiMe3)Ar] (5) and [Ar(Me3Si)N]3MoN2SiMe3 (6) (Ar = 3,5-Me2C6H3) were synthesized and structurally characterized, and proved to be effective catalysts for the disproportionation of cyclohexadienes and isomerization of terminal alkenes. The 1H NMR spectrum suggested that the bridging nitrogen ligand remains intact during the catalytic reaction, indicating possible catalytic ability of the Mo-N=N motif.
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Affiliation(s)
- Dan-Dan Zhai
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Si-Jun Xie
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Yi Xia
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Hua-Yi Fang
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Zhang-Jie Shi
- Department of Chemistry, Fudan University, Shanghai 200433, China
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7
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Fu Y, Li T, Zhou G, Guo J, Ao Y, Hu Y, Shen J, Liu L, Wu X. Dual-metal-driven Selective Pathway of Nitrogen Reduction in Orderly Atomic-hybridized Re 2MnS 6 Ultrathin Nanosheets. NANO LETTERS 2020; 20:4960-4967. [PMID: 32463682 DOI: 10.1021/acs.nanolett.0c01037] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The future of sustainable fertilizers and carbon-free energy carrier demands innovative breakthroughs in the exploitation of efficient electrocatalysts for synthesizing ammonia (NH3) from nitrogen (N2) in mild conditions. Understanding and regulating the reaction intermediates that form on the catalyst surface through careful catalyst design could bypass certain limitations associated with ambiguous adsorbate evolution mechanism. Herein, we propose ternary intermetallic Re2MnS6 ultrathin nanosheets that include orderly hybridized Mn-Re dual-metal sites through strong Hubbard e-e interaction, demonstrating a promising selectivity toward reaction process from N2 to NH3. The ordered inclusion of Mn sites leads to a structural phase transition and appearance of nonbonding semimetal states, in which the rate-limiting activation energy barrier is significantly decreased through a conversion in reaction pathway. As a result, the performance of N2 reduction in Re2MnS6 is increased about 6.6 times compared to the single-metal ReS2.
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Affiliation(s)
- Yao Fu
- Key Laboratory of Modern Acoustics, MOE, Institute of Acoustics and Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, People's Republic of China
| | - Tinghui Li
- College of Electronic Engineering, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Gang Zhou
- Key Laboratory of Modern Acoustics, MOE, Institute of Acoustics and Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, People's Republic of China
- Key Laboratory of Integrated Regulation and Resources Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing 210098, People's Republic of China
| | - Junhong Guo
- School of Optoelectronic Engineering and Grüenberg Research Centre, Nanjing University of Posts and Telecommunications, Nanjing 210023, People's Republic of China
| | - Yanhui Ao
- Key Laboratory of Integrated Regulation and Resources Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing 210098, People's Republic of China
| | - Youyou Hu
- Department of Physics, College of Science, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Jiancang Shen
- Key Laboratory of Modern Acoustics, MOE, Institute of Acoustics and Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, People's Republic of China
| | - Lizhe Liu
- Key Laboratory of Modern Acoustics, MOE, Institute of Acoustics and Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, People's Republic of China
| | - Xinglong Wu
- Key Laboratory of Modern Acoustics, MOE, Institute of Acoustics and Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, People's Republic of China
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8
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Kim S, Loose F, Chirik PJ. Beyond Ammonia: Nitrogen–Element Bond Forming Reactions with Coordinated Dinitrogen. Chem Rev 2020; 120:5637-5681. [DOI: 10.1021/acs.chemrev.9b00705] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sangmin Kim
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Florian Loose
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Paul J. Chirik
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
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9
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Shiraishi Y, Hashimoto M, Chishiro K, Moriyama K, Tanaka S, Hirai T. Photocatalytic Dinitrogen Fixation with Water on Bismuth Oxychloride in Chloride Solutions for Solar-to-Chemical Energy Conversion. J Am Chem Soc 2020; 142:7574-7583. [PMID: 32267152 DOI: 10.1021/jacs.0c01683] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Ammonia is an indispensable chemical. Photocatalytic NH3 production via dinitrogen fixation using water by sunlight illumination under ambient conditions is a promising strategy, although previously reported catalysts show insufficient activity. Herein, we showed that ultraviolet light irradiation of a semiconductor, bismuth oxychloride with surface oxygen vacancies (BiOCl-OVs), in water containing chloride anions (Cl-) under N2 flow efficiently produces NH3. The surface OVs behave as the N2 reduction sites by the photoformed conduction band electrons. The valence band holes are consumed by self-oxidation of interlayer Cl- on the catalyst. The hypochloric acid (HClO) formed absorbs ultraviolet light and undergoes photodecomposition into O2 and Cl-. These consecutive photoreactions produce NH3 with water as the electron donor. The Cl- in solution compensates for the removed interlayer Cl- and inhibits catalyst deactivation. Simulated sunlight illumination of the catalyst in seawater stably generates NH3 with 0.05% solar-to-chemical conversion efficiency, thus exhibiting significant potential of the seawater system for artificial photosynthesis.
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Affiliation(s)
- Yasuhiro Shiraishi
- Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan
| | - Masaki Hashimoto
- Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan
| | - Kiyomichi Chishiro
- Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan
| | - Kenta Moriyama
- Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan
| | - Shunsuke Tanaka
- Department of Chemical, Energy, and Environmental Engineering, Kansai University, Suita 564-8680, Japan
| | - Takayuki Hirai
- Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan
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10
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Wickramasinghe LA, Schrock RR, Tsay C, Müller P. Molybdenum Complexes that Contain a Calix[6]azacryptand Ligand as Catalysts for Reduction of N 2 to Ammonia. Inorg Chem 2018; 57:15566-15574. [PMID: 30516366 DOI: 10.1021/acs.inorgchem.8b02903] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
[CAC(OMe)6]Mo(N) (3, where [CAC]3- is a calix[6]azacryptand ligand derived from a [6]calixarene) has been prepared in a reaction between Li3[CAC(OMe)6] and ( t-BuO)3Mo(N). An X-ray structural study showed 3 to have a structure similar to that of [HIPTN3N]Mo(N) (where [HIPTN3N]3- is [(3,5-(2,4,6-triisopropylphenyl)2C6H3NCH2CH2)3N]3-). The relatively rigid [CAC(OMe)6]3- ligand in 3 forms a bowl-shaped cavity defined by a 24-atom macrocyclic ring. The Mo-Namido-Cipso angles are ∼8° smaller in 3 than they are in [HIPTN3N]Mo(N). Methoxides on the three linking units point into the cavity above the nitride in 3, whereas the three methoxides on phenyl rings attached to the amido nitrogen atoms point away from the cavity. An analogous [CAC(OMe)3(H)3]Mo(N) complex (9) was prepared in which the three methoxides pointing into the cavity in 3 have been replaced by protons. Its structure differs little from that of 3. The nitride could be protonated in 3 to give {[CAC(OMe)6]Mo(NH)}+, which could be reduced (reversibly) to [CAC(OMe)6]Mo(NH). Catalytic reduction of molecular nitrogen under a variety of conditions with either Ph2NH2OTf or HBArf (BArf- = {B[3,5(CF3)2C5H3]4}-) as the acid and a Co metallocene or KC8 as the reducing agent between -78 and 22 °C in diethyl ether shows that 1.20-1.34 equivalents of ammonia are formed starting with either [CAC(OMe)6]Mo(N) (50% 15N) or [CAC(OMe)3(H)3]Mo(N) (50% 15N).
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Affiliation(s)
- Lasantha A Wickramasinghe
- Department of Chemistry 6-331 , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States
| | - Richard R Schrock
- Department of Chemistry 6-331 , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States
| | - Charlene Tsay
- Department of Chemistry 6-331 , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States
| | - Peter Müller
- Department of Chemistry 6-331 , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States
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11
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Doyle LR, Scott DJ, Hill PJ, Fraser DAX, Myers WK, White AJP, Green JC, Ashley AE. Reversible coordination of N 2 and H 2 to a homoleptic S = 1/2 Fe(i) diphosphine complex in solution and the solid state. Chem Sci 2018; 9:7362-7369. [PMID: 30542539 PMCID: PMC6237127 DOI: 10.1039/c8sc01841c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 07/17/2018] [Indexed: 01/22/2023] Open
Abstract
The synthesis and characterisation of the S = 1/2 Fe(i) complex [Fe(depe)2]+[BArF4]- ([1]+[BArF4]-), and the facile reversible binding of N2 and H2 in both solution and the solid state to form the adducts [1·N2]+ and [1·H2]+, are reported. Coordination of N2 in THF is thermodynamically favourable under ambient conditions (1 atm; ΔG 298 = -4.9(1) kcal mol-1), while heterogenous binding is more favourable for H2 than N2 by a factor of ∼300. [1·H2]+[BArF4]- represents a rare example of a well-defined, open-shell, non-classical dihydrogen complex, as corroborated by ESR spectroscopy. The rapid exchange between N2 and H2 coordination under ambient conditions is unique for a paramagnetic Fe complex.
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Affiliation(s)
- Laurence R Doyle
- Department of Chemistry , Imperial College London , London SW7 2AZ , UK .
| | - Daniel J Scott
- Department of Chemistry , Imperial College London , London SW7 2AZ , UK .
| | - Peter J Hill
- Department of Chemistry , Imperial College London , London SW7 2AZ , UK .
| | - Duncan A X Fraser
- Department of Chemistry , Imperial College London , London SW7 2AZ , UK .
| | - William K Myers
- Inorganic Chemistry Laboratory , University of Oxford , Oxford OX1 3QR , UK
| | - Andrew J P White
- Department of Chemistry , Imperial College London , London SW7 2AZ , UK .
| | - Jennifer C Green
- Inorganic Chemistry Laboratory , University of Oxford , Oxford OX1 3QR , UK
| | - Andrew E Ashley
- Department of Chemistry , Imperial College London , London SW7 2AZ , UK .
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12
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13
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Rather SR, Bezdek MJ, Koch M, Chirik PJ, Scholes GD. Ultrafast Photophysics of a Dinitrogen-Bridged Molybdenum Complex. J Am Chem Soc 2018; 140:6298-6307. [PMID: 29719149 DOI: 10.1021/jacs.8b00890] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Among the many metal-dinitrogen complexes synthesized, the end-on bridging (μ2, η1, η1-N2) coordination mode is notoriously unreactive for nitrogen fixation. This is principally due to the large activation energy for ground-state nitrogen-element bond formation and motivates exploration of the photoexcited reactivity of this coordination mode. To provide the foundation for this concept, the photophysics of a dinitrogen-bridged molybdenum complex was explored by ultrafast electronic spectroscopies. The complex absorbs light from the UV to near-IR, and the transitions are predominantly of metal-to-ligand charge transfer (MLCT) character. Five excitation wavelengths (440, 520, 610, 730, and 1150 nm) were employed to access MLCT bands, and the dynamics were probed between 430 and 1600 nm. Despite the large energy space occupied by electronic states (ca. 1.2 eV), the dynamics were independent of the excitation wavelength. In the proposed kinetic model, photoexcitation from a Mo-N═N-Mo centered ground state populates the π*-state delocalized over two terpyridine ligands. Due to a large terpyridine-terpyridine spatial separation, electronic localization occurs within 100 fs, augmented by symmetry breaking. The subsequent interplay of internal conversion and intersystem crossing (ISC) populates the lowest 3MLCT state in 2-3 ps. Decay to the ground state occurs either directly or via a thermally activated metal-centered (3MC) trap state having two time constants (10-15 ps, 23-26 ps [298 K]; 103 ps, 612 ps [77 K]). ISC between 1MLCT and 3MLCT involves migration of energized electron density from the terpyridine π* orbitals to the Mo-N═N-Mo core. Implication of the observed dynamics for the potential N-H bond forming reactivity are discussed.
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Affiliation(s)
- Shahnawaz R Rather
- Frick Chemistry Laboratory , Princeton University , Princeton , New Jersey 08544 , United States
| | - Máté J Bezdek
- Frick Chemistry Laboratory , Princeton University , Princeton , New Jersey 08544 , United States
| | - Marius Koch
- Frick Chemistry Laboratory , Princeton University , Princeton , New Jersey 08544 , United States
| | - Paul J Chirik
- Frick Chemistry Laboratory , Princeton University , Princeton , New Jersey 08544 , United States
| | - Gregory D Scholes
- Frick Chemistry Laboratory , Princeton University , Princeton , New Jersey 08544 , United States
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14
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Bruch QJ, Lindley BM, Askevold B, Schneider S, Miller AJM. A Ruthenium Hydrido Dinitrogen Core Conserved across Multielectron/Multiproton Changes to the Pincer Ligand Backbone. Inorg Chem 2018; 57:1964-1975. [PMID: 29419289 DOI: 10.1021/acs.inorgchem.7b02889] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of ruthenium(II) hydrido dinitrogen complexes supported by pincer ligands in different formal oxidation states have been prepared and characterized. Treating a ruthenium dichloride complex supported by the pincer ligand bis(di-tert-butylphosphinoethyl)amine (H-PNP) with reductant or base generates new five-coordinate cis-hydridodinitrogen ruthenium complexes each containing different forms of the pincer ligand. Further ligand transformations provide access to the first isostructural set of complexes featuring all six different forms of the pincer ligand. The conserved cis-hydridodinitrogen structure facilitates characterization of the π-donor, π-acceptor, and/or σ-donor properties of the ligands and assessment of the impact of ligand-centered multielectron/multiproton changes on N2 activation. Crystallographic studies, infrared spectroscopy, and 15N NMR spectroscopy indicate that N2 remains weakly activated in all cases, providing insight into the donor properties of the different pincer ligand states. Ramifications on applications of (pincer)Ru species in catalysis are considered.
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Affiliation(s)
- Quinton J Bruch
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
| | - Brian M Lindley
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
| | - Bjorn Askevold
- University of Goettingen , Institute for Inorganic Chemistry, 37077 Goettingen, Germany
| | - Sven Schneider
- University of Goettingen , Institute for Inorganic Chemistry, 37077 Goettingen, Germany
| | - Alexander J M Miller
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
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15
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Stucke N, Flöser BM, Weyrich T, Tuczek F. Nitrogen Fixation Catalyzed by Transition Metal Complexes: Recent Developments. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201701326] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Nadja Stucke
- Institute of Inorganic Chemistry; Christian Albrechts University Kiel; Max-Eyth-Str. 2 24098 Kiel Germany
| | - Benedikt M. Flöser
- Institute of Inorganic Chemistry; Christian Albrechts University Kiel; Max-Eyth-Str. 2 24098 Kiel Germany
| | - Thomas Weyrich
- Institute of Inorganic Chemistry; Christian Albrechts University Kiel; Max-Eyth-Str. 2 24098 Kiel Germany
| | - Felix Tuczek
- Institute of Inorganic Chemistry; Christian Albrechts University Kiel; Max-Eyth-Str. 2 24098 Kiel Germany
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16
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Wickramasinghe LA, Ogawa T, Schrock RR, Müller P. Reduction of Dinitrogen to Ammonia Catalyzed by Molybdenum Diamido Complexes. J Am Chem Soc 2017. [DOI: 10.1021/jacs.7b04800] [Citation(s) in RCA: 110] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Lasantha A. Wickramasinghe
- Department of Chemistry 6-331, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Takaya Ogawa
- Department of Chemistry 6-331, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Richard R. Schrock
- Department of Chemistry 6-331, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Peter Müller
- Department of Chemistry 6-331, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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17
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Margulieux GW, Bezdek MJ, Turner ZR, Chirik PJ. Ammonia Activation, H 2 Evolution and Nitride Formation from a Molybdenum Complex with a Chemically and Redox Noninnocent Ligand. J Am Chem Soc 2017; 139:6110-6113. [PMID: 28414434 DOI: 10.1021/jacs.7b03070] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Treatment of the bis(imino)pyridine molybdenum η6-benzene complex (iPrPDI)Mo(η6-C6H6) (iPrPDI, 2,6-(2,6-iPr2C6H3N═CMe)2C5H3N) with NH3 resulted in coordination induced haptotropic rearrangement of the arene to form (iPrPDI)Mo(NH3)2(η2-C6H6). Analogous η2-ethylene and η2-cyclohexene complexes were also synthesized, and the latter was crystallographically characterized. All three compounds undergo loss of the η2-coordinated ligand followed by N-H bond activation, bis(imino)pyridine modification, and H2 loss. A dual ammonia activation approach has been discovered whereby reversible M-L cooperativity and coordination induced bond weakening likely contribute to dihydrogen formation. Significantly, the weakened N-H bonds in (iPrPDI)Mo(NH3)2(η2-C2H4) enabled hydrogen atom abstraction and synthesis of a terminal nitride from coordinated ammonia, a key step in NH3 oxidation.
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Affiliation(s)
- Grant W Margulieux
- Department of Chemistry, Princeton University , Princeton, New Jersey 08544, United States
| | - Máté J Bezdek
- Department of Chemistry, Princeton University , Princeton, New Jersey 08544, United States
| | - Zoë R Turner
- Department of Chemistry, Princeton University , Princeton, New Jersey 08544, United States
| | - Paul J Chirik
- Department of Chemistry, Princeton University , Princeton, New Jersey 08544, United States
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18
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Hölscher M, Leitner W. Catalytic NH 3 Synthesis using N 2 /H 2 at Molecular Transition Metal Complexes: Concepts for Lead Structure Determination using Computational Chemistry. Chemistry 2017; 23:11992-12003. [PMID: 28067968 DOI: 10.1002/chem.201604612] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Indexed: 11/05/2022]
Abstract
While industrial NH3 synthesis based on the Haber-Bosch-process was invented more than a century ago, there is still no molecular catalyst available which reduces N2 in the reaction system N2 /H2 to NH3 . As the many efforts of experimentally working research groups to develop a molecular catalyst for NH3 synthesis from N2 /H2 have led to a variety of stoichiometric reductions it seems justified to undertake the attempt of systematizing the various approaches of how the N2 molecule might be reduced to NH3 with H2 at a transition metal complex. In this contribution therefore a variety of intuition-based concepts are presented with the intention to show how the problem can be approached. While no claim for completeness is made, these concepts intend to generate a working plan for future research. Beyond this, it is suggested that these concepts should be evaluated with regard to experimental feasibility by checking barrier heights of single reaction steps and also by computation of whole catalytic cycles employing density functional theory (DFT) calculations. This serves as a tool which extends the empirically driven search process and expands it by computed insights which can be used to rationalize the various challenges which must be met.
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Affiliation(s)
- Markus Hölscher
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
| | - Walter Leitner
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
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19
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González-Moreiras M, Mena M, Pérez-Redondo A, Yélamos C. Cleavage of Dinitrogen from Forming Gas by a Titanium Molecular System under Ambient Conditions. Chemistry 2017; 23:3558-3561. [PMID: 28152207 DOI: 10.1002/chem.201700152] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Indexed: 11/10/2022]
Abstract
Simple exposure of a hexane solution of [TiCp*Me3 ] (Cp*=η5 -C5 Me5 ) to an atmosphere of commercially available and inexpensive forming gas (H2 /N2 mixture, 13.5-16.5 % of H2 ) at room temperature leads to the methylidene-methylidyne-nitrido cube-type complex [(TiCp*)4 (μ3 -CH)(μ3 -CH2 )(μ3 -N)2 ] via dinitrogen cleavage. This paramagnetic compound reacts with [D1 ]chloroform to give the titanium(IV) methylidyne-nitrido species [(TiCp*)4 (μ3 -CH)2 (μ3 -N)2 ], whereas its one-electron oxidation with AgOTf or [Fe(η5 -C5 H5 )2 ](OTf) (OTf=O3 SCF3 ) yields the diamagnetic ionic derivative [(TiCp*)4 (μ3 -CH)(μ3 -CH2 )(μ3 -N)2 ](OTf). The μ3 -nitrido ligands of the methylidyne-nitrido cubane complex can be protonated with [LutH](OTf) (Lut=2,6-lutidine) or hydrogenated with NH3 ⋅BH3 to afford μ3 -NH imido moieties.
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Affiliation(s)
- Mariano González-Moreiras
- Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá, 28805, Alcalá de Henares-Madrid, Spain
| | - Miguel Mena
- Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá, 28805, Alcalá de Henares-Madrid, Spain
| | - Adrián Pérez-Redondo
- Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá, 28805, Alcalá de Henares-Madrid, Spain
| | - Carlos Yélamos
- Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá, 28805, Alcalá de Henares-Madrid, Spain
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20
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Eizawa A, Nishibayashi Y. Catalytic Nitrogen Fixation Using Molybdenum–Dinitrogen Complexes as Catalysts. TOP ORGANOMETAL CHEM 2017. [DOI: 10.1007/3418_2016_10] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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21
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Stucke N, Weyrich T, Pfeil M, Grund K, Kindjajev A, Tuczek F. Synthetic Nitrogen Fixation with Mononuclear Molybdenum(0) Phosphine Complexes: Occupying the trans-Position of Coordinated N2. TOP ORGANOMETAL CHEM 2017. [DOI: 10.1007/3418_2016_11] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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22
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Hill PJ, Doyle LR, Crawford AD, Myers WK, Ashley AE. Selective Catalytic Reduction of N2 to N2H4 by a Simple Fe Complex. J Am Chem Soc 2016; 138:13521-13524. [DOI: 10.1021/jacs.6b08802] [Citation(s) in RCA: 133] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Peter J. Hill
- Department
of Chemistry, Imperial College London, Imperial College Road, South Kensington, London SW7 2AZ, United Kingdom
| | - Laurence R. Doyle
- Department
of Chemistry, Imperial College London, Imperial College Road, South Kensington, London SW7 2AZ, United Kingdom
| | - Andrew D. Crawford
- Department
of Chemistry, Imperial College London, Imperial College Road, South Kensington, London SW7 2AZ, United Kingdom
| | - William K. Myers
- Centre
for Advanced Electron Spin Resonance, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, United Kingdom
| | - Andrew E. Ashley
- Department
of Chemistry, Imperial College London, Imperial College Road, South Kensington, London SW7 2AZ, United Kingdom
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23
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Hinrichsen S, Kindjajev A, Adomeit S, Krahmer J, Näther C, Tuczek F. Molybdenum(0) Dinitrogen Complexes Supported by Pentadentate Tetrapodal Phosphine Ligands: Structure, Synthesis, and Reactivity toward Acids. Inorg Chem 2016; 55:8712-22. [PMID: 27526268 DOI: 10.1021/acs.inorgchem.6b01255] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Svea Hinrichsen
- Christian-Albrechts-Universität Kiel, Institute of Inorganic Chemistry, Max-Eyth-Straße 2, D-24118 Kiel, Germany
| | - Andrei Kindjajev
- Christian-Albrechts-Universität Kiel, Institute of Inorganic Chemistry, Max-Eyth-Straße 2, D-24118 Kiel, Germany
| | - Sven Adomeit
- Leibniz-Institut für Katalyse, Albert-Einstein-Straße 29a, D-18059 Rostock, Germany
| | - Jan Krahmer
- Christian-Albrechts-Universität Kiel, Institute of Inorganic Chemistry, Max-Eyth-Straße 2, D-24118 Kiel, Germany
| | - Christian Näther
- Christian-Albrechts-Universität Kiel, Institute of Inorganic Chemistry, Max-Eyth-Straße 2, D-24118 Kiel, Germany
| | - Felix Tuczek
- Christian-Albrechts-Universität Kiel, Institute of Inorganic Chemistry, Max-Eyth-Straße 2, D-24118 Kiel, Germany
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24
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Silylation of Dinitrogen Catalyzed by Hydridodinitrogentris(Triphenylphosphine)Cobalt(I). INORGANICS 2016. [DOI: 10.3390/inorganics4030021] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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25
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Tanabe Y, Nishibayashi Y. Catalytic Dinitrogen Fixation to Form Ammonia at Ambient Reaction Conditions Using Transition Metal-Dinitrogen Complexes. CHEM REC 2016; 16:1549-77. [DOI: 10.1002/tcr.201600025] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Indexed: 01/23/2023]
Affiliation(s)
- Yoshiaki Tanabe
- Department of Systems Innovation, School of Engineering; The University of Tokyo; Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Yoshiaki Nishibayashi
- Department of Systems Innovation, School of Engineering; The University of Tokyo; Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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26
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Tanaka H, Nishibayashi Y, Yoshizawa K. Interplay between Theory and Experiment for Ammonia Synthesis Catalyzed by Transition Metal Complexes. Acc Chem Res 2016; 49:987-95. [PMID: 27105472 DOI: 10.1021/acs.accounts.6b00033] [Citation(s) in RCA: 149] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Nitrogen fixation is an essential chemical process both biologically and industrially. Since the discovery of the first transition-metal-dinitrogen complex in 1965, a great deal of effort has been devoted to the development of artificial nitrogen fixation systems that work under mild reaction conditions. However, the transformation of chemically inert dinitrogen using homogeneous catalysts is still challenging because of the difficulty in breaking the strong triple bond of dinitrogen, and a very limited number of transition metal complexes have exhibited the catalytic activity for the direct transformation of dinitrogen into ammonia with low turnover numbers. To develop more effective nitrogen fixation systems, it is necessary to retrieve as much information as possible from the limited successful examples. Computational chemistry will provide valuable insights in the understanding of the reaction mechanisms involving unstable intermediates that are hard to isolate or characterize. We have been applying it for clarifying detailed mechanisms of dinitrogen activation and functionalization by transition metal complexes as well as for designing new catalysts for more effective nitrogen fixation. This Account summarizes recent progress in the elucidation of catalytic mechanisms of nitrogen fixation by using mono- and dinuclear molybdenum complexes, as well as cubane-type metal-sulfido clusters from a theoretical point of view. First, we briefly introduce experimental and theoretical contributions to the elucidation of the reaction mechanism of nitrogen fixation catalyzed by a mononuclear Mo-triamidoamine complex. Special attention is paid to our recent studies on Mo-catalyzed nitrogen fixation using dinitrogen-bridged dimolybdenum complexes. A possible catalytic mechanism is proposed based on theoretical and experimental investigations. The catalytic mechanism involves the formation of a monuclear molybdenum-nitride (Mo≡N) intermediate, as well as the regeneration of a dimolybdenum intermediate with the Mo-N≡N-Mo moiety. Comparison of the reactivity of di- and monomolybdenum complexes suggests that the dimolybdenum structure is essential for the catalytic activity. Synergy between the two Mo cores connected with a bridging N2 ligand is observed in the protonation of coordinated N2. Intermetallic electron transfer through the bridging N2 ligand reductively activates the coordinated N2 to be protonated. On the basis of the proposed catalytic mechanism, we used DFT calculations for rational design of dimolybdenum complexes serving as more effective catalysts for nitrogen fixation. Newly prepared dimolybdenum complexes with modified PNP-type pincer ligands exhibit greater catalytic activity than the original one.
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Affiliation(s)
- Hiromasa Tanaka
- Institute for Materials
Chemistry and Engineering, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yoshiaki Nishibayashi
- Department of Systems Innovation, School
of Engineering, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazunari Yoshizawa
- Institute for Materials
Chemistry and Engineering, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan
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27
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Bezdek MJ, Guo S, Chirik PJ. Terpyridine Molybdenum Dinitrogen Chemistry: Synthesis of Dinitrogen Complexes That Vary by Five Oxidation States. Inorg Chem 2016; 55:3117-27. [DOI: 10.1021/acs.inorgchem.6b00053] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Máté J. Bezdek
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Sheng Guo
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Paul J. Chirik
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
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28
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Ohki Y, Seino H. N-Heterocyclic carbenes as supporting ligands in transition metal complexes of N2. Dalton Trans 2016; 45:874-80. [PMID: 26646731 DOI: 10.1039/c5dt04298d] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Recent developments have substantially expanded the scope of N-heterocyclic carbenes (NHCs) as ancillary ligands in coordination chemistry and homogeneous catalysis. This review provides a short overview of the emerging field of NHC-supported transition metal complexes of N2 and the possibilities to catalytically activate N2 in these complexes.
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Affiliation(s)
- Yasuhiro Ohki
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan. and PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Hidetake Seino
- Faculty of Education and Human Studies, Akita University, 1-1 Tegata-Gakuenmachi, Akita 010-8502, Japan
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29
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Walter M. Recent Advances in Transition Metal-Catalyzed Dinitrogen Activation. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2016. [DOI: 10.1016/bs.adomc.2016.03.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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30
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Lu N, Wang H. A theoretical investigation on the N–N bond cleavage in Ta(IV) hydrazidium and Ta(V) hydrazido complexes. J STRUCT CHEM+ 2016. [DOI: 10.1134/s0022476616010066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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31
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Bergeler M, Simm GN, Proppe J, Reiher M. Heuristics-Guided Exploration of Reaction Mechanisms. J Chem Theory Comput 2015; 11:5712-22. [DOI: 10.1021/acs.jctc.5b00866] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Maike Bergeler
- Laboratory
of Physical Chemistry, ETH Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
| | - Gregor N. Simm
- Laboratory
of Physical Chemistry, ETH Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
| | - Jonny Proppe
- Laboratory
of Physical Chemistry, ETH Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
| | - Markus Reiher
- Laboratory
of Physical Chemistry, ETH Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
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32
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Lehnert N, Peters JC. Preface for Small-Molecule Activation: From Biological Principles to Energy Applications. Part 2: Small Molecules Related to the Global Nitrogen Cycle. Inorg Chem 2015; 54:9229-33. [DOI: 10.1021/acs.inorgchem.5b02124] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nicolai Lehnert
- Department of Chemistry, The University of Michigan, 930 N. University, Ann Arbor, Michigan 48109, United States
| | - Jonas C. Peters
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
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33
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Nishibayashi Y. Recent progress in transition-metal-catalyzed reduction of molecular dinitrogen under ambient reaction conditions. Inorg Chem 2015; 54:9234-47. [PMID: 26131967 DOI: 10.1021/acs.inorgchem.5b00881] [Citation(s) in RCA: 154] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
This paper describes our recent progress in catalytic nitrogen fixation by using transition-metal-dinitrogen complexes as catalysts. Two reaction systems for the catalytic transformation of molecular dinitrogen into ammonia and its equivalent such as silylamine under ambient reaction conditions have been achieved by the molybdenum-, iron-, and cobalt-dinitrogen complexes as catalysts. Many new findings presented here may provide new access to the development of economical nitrogen fixation in place of the Haber-Bosch process.
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Affiliation(s)
- Yoshiaki Nishibayashi
- Institute of Engineering Innovation, School of Engineering, The University of Tokyo , Yayoi, Bunkyo-ku, Tokyo 113-8656, Japan
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34
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Thimm W, Gradert C, Broda H, Wennmohs F, Neese F, Tuczek F. Free Reaction Enthalpy Profile of the Schrock Cycle Derived from Density Functional Theory Calculations on the Full [MoHIPTN3N] Catalyst. Inorg Chem 2015; 54:9248-55. [DOI: 10.1021/acs.inorgchem.5b00787] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Wulf Thimm
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, D-24118 Kiel, Germany
| | - Christian Gradert
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, D-24118 Kiel, Germany
| | - Henning Broda
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, D-24118 Kiel, Germany
| | - Frank Wennmohs
- Max-Planck-Institut für chemische Energiekonversion, Stiftstraße 34-36, D-45470 Mülheim an der
Ruhr, Germany
| | - Frank Neese
- Max-Planck-Institut für chemische Energiekonversion, Stiftstraße 34-36, D-45470 Mülheim an der
Ruhr, Germany
| | - Felix Tuczek
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, D-24118 Kiel, Germany
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35
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Ma X, Lei M, Liu S. Homolytic or Heterolytic Dihydrogen Splitting with Ditantalum/Dizirconium Dinitrogen Complexes? A Computational Study. Organometallics 2015. [DOI: 10.1021/om501316t] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xuelu Ma
- State
Key Laboratory of Chemical Resource Engineering, Institute of Materia
Medica, College of Science, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Ming Lei
- State
Key Laboratory of Chemical Resource Engineering, Institute of Materia
Medica, College of Science, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Shubin Liu
- Research
Computing Center, University of North Carolina, Chapel Hill, North Carolina 27599, United States
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36
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Kinoshita E, Arashiba K, Kuriyama S, Eizawa A, Nakajima K, Nishibayashi Y. Synthesis and Catalytic Activity of Molybdenum-Nitride Complexes Bearing Pincer Ligands. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201500017] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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37
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Functionalization of N 2 to NH 3 via direct N ≡ N bond cleavage using M(III)(NMe 2 ) 3 (M=W/Mo): A theoretical study. J CHEM SCI 2015. [DOI: 10.1007/s12039-014-0752-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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38
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Khoenkhoen N, de Bruin B, Reek JNH, Dzik WI. Reactivity of Dinitrogen Bound to Mid- and Late-Transition-Metal Centers. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201403041] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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39
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Hübner O, Manceron L, Himmel HJ. On the electronic structure and photochemistry of coordinatively unsaturated complexes: the case of nickel bis-dinitrogen, Ni(N2 )2. Chemistry 2014; 20:17025-38. [PMID: 25336077 DOI: 10.1002/chem.201402824] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Indexed: 11/11/2022]
Abstract
The electronic ground and excited states of the coordinatively unsaturated complex Ni(η(1) -N2 )2 , isolated in an Ar matrix, are analyzed in detail by vibrational and electronic absorption and emission spectroscopies allied with quantum chemical calculations. The bond force constants are determined from a normal coordinate analysis and compared with those of the isoelectronic carbonyl complex. The consequences for the bond properties are discussed, and the trend in the force constants is compared with the standard formation enthalpies. The linear complex Ni(η(1) -N2 )2 with two terminal dinitrogen ligands can be photoisomerized to two isomeric, metastable forms Ni(η(1) -N2 )(η(2) -N2 ) and Ni(η(2) -N2 )2 , with one and two side-on coordinated dinitrogen ligands, respectively.
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Affiliation(s)
- Olaf Hübner
- Anorganisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg (Germany), Fax: (+49) 6221-545707
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40
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Köthe C, Limberg C. Late Metal Scaffolds that Activate Both, Dinitrogen and Reduced Dinitrogen Species NxHy. Z Anorg Allg Chem 2014. [DOI: 10.1002/zaac.201400378] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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41
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Gradert C, Stucke N, Krahmer J, Näther C, Tuczek F. Molybdenum complexes supported by mixed NHC/phosphine ligands: activation of N2 and reaction with P(OMe)3 to the first meta-phosphite complex. Chemistry 2014; 21:1130-7. [PMID: 25413972 DOI: 10.1002/chem.201405737] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Indexed: 11/10/2022]
Abstract
Molybdenum(0) dinitrogen complexes, supported by the mixed NHC/phosphine pincer ligand PCP, exhibit an extreme activation of the N2 ligand due to a very π-electron-rich metal center. The low thermal stability of these compounds can be increased using phosphites instead of phosphines as coligands. Through an amalgam reduction of [MoCl3(PCP)] in the presence of trimethyl phosphite and N2 the highly activated and room-temperature stable dinitrogen complex [Mo(N2)(PCP)(P(OMe)3)2] is obtained. As a second product, the first transition metal complex containing the meta-phosphite ligand P(O)(OMe) originates from this reaction.
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Affiliation(s)
- Christian Gradert
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, 24098 Kiel (Germany), Fax: (+49) 0431-880-1520 www.ac.uni-kiel.de/tuczek
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42
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Reduction of Metal Coordinated N2to NH3with H2by Heterolytic Hydrogen Cleavage induced by External Lewis Bases - a DFT Study. Z Anorg Allg Chem 2014. [DOI: 10.1002/zaac.201400337] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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43
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Köthe C, Braun B, Herwig C, Limberg C. Synthesis, Characterization, and Interconversion of β‐Diketiminato Nickel N
x
H
y
Complexes. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201402812] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Claudia Köthe
- Institut für Chemie, Humboldt‐Universität zu Berlin, Brook‐Taylor‐Strasse 2, 12489 Berlin, Germany, http://www.chemie.hu‐berlin.de/aglimberg/
| | - Beatrice Braun
- Institut für Chemie, Humboldt‐Universität zu Berlin, Brook‐Taylor‐Strasse 2, 12489 Berlin, Germany, http://www.chemie.hu‐berlin.de/aglimberg/
| | - Christian Herwig
- Institut für Chemie, Humboldt‐Universität zu Berlin, Brook‐Taylor‐Strasse 2, 12489 Berlin, Germany, http://www.chemie.hu‐berlin.de/aglimberg/
| | - Christian Limberg
- Institut für Chemie, Humboldt‐Universität zu Berlin, Brook‐Taylor‐Strasse 2, 12489 Berlin, Germany, http://www.chemie.hu‐berlin.de/aglimberg/
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44
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Miyazaki T, Tanaka H, Tanabe Y, Yuki M, Nakajima K, Yoshizawa K, Nishibayashi Y. Cleavage and Formation of Molecular Dinitrogen in a Single System Assisted by Molybdenum Complexes Bearing Ferrocenyldiphosphine. Angew Chem Int Ed Engl 2014; 53:11488-92. [DOI: 10.1002/anie.201405673] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Revised: 07/28/2014] [Indexed: 11/10/2022]
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45
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Miyazaki T, Tanaka H, Tanabe Y, Yuki M, Nakajima K, Yoshizawa K, Nishibayashi Y. Cleavage and Formation of Molecular Dinitrogen in a Single System Assisted by Molybdenum Complexes Bearing Ferrocenyldiphosphine. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201405673] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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46
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Tanabe Y, Kuriyama S, Arashiba K, Nakajima K, Nishibayashi Y. Synthesis and Reactivity of Ruthenium Complexes Bearing Arsenic-Containing Arsenic-Nitrogen-Arsenic-Type Pincer Ligand. Organometallics 2014. [DOI: 10.1021/om5006116] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yoshiaki Tanabe
- Institute of Engineering
Innovation, School of Engineering, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Shogo Kuriyama
- Institute of Engineering
Innovation, School of Engineering, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazuya Arashiba
- Institute of Engineering
Innovation, School of Engineering, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazunari Nakajima
- Institute of Engineering
Innovation, School of Engineering, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Yoshiaki Nishibayashi
- Institute of Engineering
Innovation, School of Engineering, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8656, Japan
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47
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Caballo J, González-Moreiras M, Greño M, Mena M, Pérez-Redondo A, Yélamos C. Partial Hydrogenation of a Tetranuclear Titanium Nitrido Complex with Ammonia Borane. Inorg Chem 2014; 53:8851-3. [DOI: 10.1021/ic5015972] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jorge Caballo
- Departamento de Química Orgánica y Química
Inorgánica, Universidad de Alcalá, 28871 Alcalá
de Henares-Madrid, Spain
| | - Mariano González-Moreiras
- Departamento de Química Orgánica y Química
Inorgánica, Universidad de Alcalá, 28871 Alcalá
de Henares-Madrid, Spain
| | - Maider Greño
- Departamento de Química Orgánica y Química
Inorgánica, Universidad de Alcalá, 28871 Alcalá
de Henares-Madrid, Spain
| | - Miguel Mena
- Departamento de Química Orgánica y Química
Inorgánica, Universidad de Alcalá, 28871 Alcalá
de Henares-Madrid, Spain
| | - Adrián Pérez-Redondo
- Departamento de Química Orgánica y Química
Inorgánica, Universidad de Alcalá, 28871 Alcalá
de Henares-Madrid, Spain
| | - Carlos Yélamos
- Departamento de Química Orgánica y Química
Inorgánica, Universidad de Alcalá, 28871 Alcalá
de Henares-Madrid, Spain
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48
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Broda H, Krahmer J, Tuczek F. (Dinitrogen)molybdenum Complexes Supported by Asymmetric Silicon-Centered Tripod Ligands: Steric and Electronic Influences on the Coordination of Mono- and Diphosphine Coligands. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201402273] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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49
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Kuriyama S, Arashiba K, Nakajima K, Tanaka H, Kamaru N, Yoshizawa K, Nishibayashi Y. Catalytic Formation of Ammonia from Molecular Dinitrogen by Use of Dinitrogen-Bridged Dimolybdenum–Dinitrogen Complexes Bearing PNP-Pincer Ligands: Remarkable Effect of Substituent at PNP-Pincer Ligand. J Am Chem Soc 2014; 136:9719-31. [DOI: 10.1021/ja5044243] [Citation(s) in RCA: 168] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Shogo Kuriyama
- Institute
of Engineering Innovation, School of Engineering, The University of Tokyo, Yayoi,
Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazuya Arashiba
- Institute
of Engineering Innovation, School of Engineering, The University of Tokyo, Yayoi,
Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazunari Nakajima
- Institute
of Engineering Innovation, School of Engineering, The University of Tokyo, Yayoi,
Bunkyo-ku, Tokyo 113-8656, Japan
| | - Hiromasa Tanaka
- Elements
Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University, Nishikyo-ku, Kyoto 615-8520, Japan
| | - Nobuaki Kamaru
- Institute
for Materials Chemistry and Engineering and International Research
Center for Molecular System, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan
| | - Kazunari Yoshizawa
- Elements
Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University, Nishikyo-ku, Kyoto 615-8520, Japan
- Institute
for Materials Chemistry and Engineering and International Research
Center for Molecular System, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yoshiaki Nishibayashi
- Institute
of Engineering Innovation, School of Engineering, The University of Tokyo, Yayoi,
Bunkyo-ku, Tokyo 113-8656, Japan
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50
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Labios LA, Weiss CJ, Egbert JD, Lense S, Bullock RM, Dougherty WG, Kassel WS, Mock MT. Synthesis and Protonation Studies of Molybdenum(0) Bis(dinitrogen) Complexes Supported by Diphosphine Ligands Containing Pendant Amines. Z Anorg Allg Chem 2014. [DOI: 10.1002/zaac.201400119] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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