151
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Pinto MF, Olivares M, Vivancos Á, Guisado-Barrios G, Albrecht M, Royo B. (Di)triazolylidene manganese complexes in catalytic oxidation of alcohols to ketones and aldehydes. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00685k] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A robust bimetallic manganese complex with a mesoionic 1,2,3,-triazolylidene ligand for efficient oxidation of alcohols with tert-butylhydroperoxide.
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Affiliation(s)
- Mara F. Pinto
- Instituto de Tecnologia Química e Biológica António Xavier
- ITQB NOVA
- Universidade Nova de Lisboa
- 2780-157 Oeiras
- Portugal
| | - Marta Olivares
- Department of Chemistry and Biochemistry
- University of Bern
- 3012 Bern
- Switzerland
| | - Ángela Vivancos
- Department of Chemistry and Biochemistry
- University of Bern
- 3012 Bern
- Switzerland
| | | | - Martin Albrecht
- Department of Chemistry and Biochemistry
- University of Bern
- 3012 Bern
- Switzerland
| | - Beatriz Royo
- Instituto de Tecnologia Química e Biológica António Xavier
- ITQB NOVA
- Universidade Nova de Lisboa
- 2780-157 Oeiras
- Portugal
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152
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Zimmermann BM, Kobosil SCK, Teichert JF. Catalytic hydrogenation of α,β-unsaturated carboxylic acid derivatives using copper(i)/N-heterocyclic carbene complexes. Chem Commun (Camb) 2019; 55:2293-2296. [DOI: 10.1039/c8cc09853k] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple and air-stable copper(i)/N-heterocyclic carbene complex enables the catalytic hydrogenation of enoates and enamides, hitherto unreactive substrates employing homogeneous copper catalysis and H2 as a terminal reducing agent.
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153
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Schneekönig J, Tannert B, Hornke H, Beller M, Junge K. Cobalt pincer complexes for catalytic reduction of nitriles to primary amines. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00225a] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
An efficient cobalt pincer type complex catalyzes the hydrogenation of nitriles to amines under mild conditions with high yields.
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Affiliation(s)
- Jacob Schneekönig
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Bianca Tannert
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Helen Hornke
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
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154
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Puylaert P, Dell'Acqua A, El Ouahabi F, Spannenberg A, Roisnel T, Lefort L, Hinze S, Tin S, de Vries JG. Phosphine-free cobalt catalyst precursors for the selective hydrogenation of olefins. Catal Sci Technol 2019. [DOI: 10.1039/c8cy02218f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A phosphine-free Co(NNS)Cl2 complex was used as a catalyst precursor for the highly selective hydrogenation of alkenes in the presence of other functional groups such as ketones.
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Affiliation(s)
- Pim Puylaert
- Leibniz Institut für Katalyse e.V. an der Universität Rostock
- 18055 Rostock
- Germany
| | - Andrea Dell'Acqua
- Leibniz Institut für Katalyse e.V. an der Universität Rostock
- 18055 Rostock
- Germany
| | - Fatima El Ouahabi
- Leibniz Institut für Katalyse e.V. an der Universität Rostock
- 18055 Rostock
- Germany
| | - Anke Spannenberg
- Leibniz Institut für Katalyse e.V. an der Universität Rostock
- 18055 Rostock
- Germany
| | - Thierry Roisnel
- Université de Rennes 1
- UMR “Sciences Chimiques de Rennes”
- UR1-CNRS 6226
- Campus de Beaulieu
- 35042 Rennes Cedex
| | | | - Sandra Hinze
- Leibniz Institut für Katalyse e.V. an der Universität Rostock
- 18055 Rostock
- Germany
| | - Sergey Tin
- Leibniz Institut für Katalyse e.V. an der Universität Rostock
- 18055 Rostock
- Germany
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155
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Bernauer J, Wu G, Jacobi von Wangelin A. Iron-catalysed allylation–hydrogenation sequences as masked alkyl–alkyl cross-couplings. RSC Adv 2019; 9:31217-31223. [PMID: 35527959 PMCID: PMC9072617 DOI: 10.1039/c9ra07604b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 09/25/2019] [Indexed: 01/19/2023] Open
Abstract
An iron-catalysed allylation of organomagnesium reagents (alkyl, aryl) with simple allyl acetates proceeds under mild conditions (Fe(OAc)2 or Fe(acac)2, Et2O, r.t.) to furnish various alkene and styrene derivatives.
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Affiliation(s)
- Josef Bernauer
- Department of Chemistry
- University of Hamburg
- 20146 Hamburg
- Germany
| | - Guojiao Wu
- Department of Chemistry
- University of Hamburg
- 20146 Hamburg
- Germany
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156
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Maier TM, Sandl S, Shenderovich IG, Jacobi von Wangelin A, Weigand JJ, Wolf R. Amine-Borane Dehydrogenation and Transfer Hydrogenation Catalyzed by α-Diimine Cobaltates. Chemistry 2018; 25:238-245. [PMID: 30378191 DOI: 10.1002/chem.201804811] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Indexed: 11/07/2022]
Abstract
Anionic α-diimine cobalt complexes, such as [K(thf)1.5 {(Dipp BIAN)Co(η4 -cod)}] (1; Dipp=2,6-diisopropylphenyl, cod=1,5-cyclooctadiene), catalyze the dehydrogenation of several amine-boranes. Based on the excellent catalytic properties, an especially effective transfer hydrogenation protocol for challenging olefins, imines, and N-heteroarenes was developed. NH3 BH3 was used as a dihydrogen surrogate, which transferred up to two equivalents of H2 per NH3 BH3 . Detailed spectroscopic and mechanistic studies are presented, which document the rate determination by acidic protons in the amine-borane.
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Affiliation(s)
- Thomas M Maier
- Institute of Inorganic Chemistry, University of Regensburg, 93040, Regensburg, Germany
| | - Sebastian Sandl
- University of Regensburg, Institute of Organic Chemistry, 93040, Regensburg, Germany.,Current address: University of Hamburg, Department of Chemistry, 20146, Hamburg, Germany
| | - Ilya G Shenderovich
- University of Regensburg, Institute of Organic Chemistry, 93040, Regensburg, Germany
| | - Axel Jacobi von Wangelin
- University of Regensburg, Institute of Organic Chemistry, 93040, Regensburg, Germany.,Current address: University of Hamburg, Department of Chemistry, 20146, Hamburg, Germany
| | - Jan J Weigand
- TU Dresden, Faculty of Chemistry and Food Chemistry, Chair of Inorganic Molecular Chemistry, 01062, Dresden, Germany
| | - Robert Wolf
- Institute of Inorganic Chemistry, University of Regensburg, 93040, Regensburg, Germany
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157
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Mollar-Cuni A, Ventura-Espinosa D, Martín S, Mayoral Á, Borja P, Mata JA. Stabilization of Nanoparticles Produced by Hydrogenation of Palladium-N-Heterocyclic Carbene Complexes on the Surface of Graphene and Implications in Catalysis. ACS OMEGA 2018; 3:15217-15228. [PMID: 31458184 PMCID: PMC6643925 DOI: 10.1021/acsomega.8b02193] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 10/25/2018] [Indexed: 06/10/2023]
Abstract
Palladium nanoparticles (NPs) have been obtained by decomposition of well-defined palladium complexes noncovalently anchored onto the surface of reduced graphene oxide. Morphological analysis by microscopy showed the presence of small palladium NPs homogeneously distributed on the support. Characterization by X-ray photoelectron spectroscopy confirmed that palladium NPs contain Pd(2+) and Pd(0) oxidation states and the presence of N-heterocyclic carbene and bromo ligands. The catalytic properties of the NPs with and without the support have been evaluated in the hydrogenation of alkynes. Supported palladium NPs showed increased activity versus the nonsupported ones and could be recycled up to 10 times without the loss of catalytic activity. The composition of the palladium NPs is different for each catalytic cycle indicating a dynamic process and the formation of different catalytic active species. On the contrary, the unsupported palladium NPs showed limited activity caused by decomposition and could not be recycled. The role of the support has been investigated. The results indicate that the support influences the stability of palladium NPs.
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Affiliation(s)
- Andrés Mollar-Cuni
- Institute
of Advanced Materials (INAM), Universitat
Jaume I, Avda. Sos Baynat s/n, 12006 Castellón, Spain
| | - David Ventura-Espinosa
- Institute
of Advanced Materials (INAM), Universitat
Jaume I, Avda. Sos Baynat s/n, 12006 Castellón, Spain
| | - Santiago Martín
- Departamento
de Química Física, Facultad de Ciencias, Universidad de Zaragoza, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain
- Instituto
de Ciencias de Materiales de Aragón (ICMA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Álvaro Mayoral
- Instituto
de Nanociencia de Aragón (INA) and Laboratorio de Microscopias
Avanzadas (LMA), edificio i+d Campus Río Ebro, Universidad de Zaragoza, C/Mariano Esquillor, s/n, 50009 Zaragoza, Spain
| | - Pilar Borja
- Institute
of Advanced Materials (INAM), Universitat
Jaume I, Avda. Sos Baynat s/n, 12006 Castellón, Spain
| | - Jose A. Mata
- Institute
of Advanced Materials (INAM), Universitat
Jaume I, Avda. Sos Baynat s/n, 12006 Castellón, Spain
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158
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Li MB, Posevins D, Gustafson KPJ, Tai CW, Shchukarev A, Qiu Y, Bäckvall JE. Diastereoselective Cyclobutenol Synthesis: A Heterogeneous Palladium-Catalyzed Oxidative Carbocyclization-Borylation of Enallenols. Chemistry 2018; 25:210-215. [PMID: 30307089 DOI: 10.1002/chem.201805118] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Indexed: 12/20/2022]
Abstract
A highly selective and efficient oxidative carbocyclization/borylation of enallenols catalyzed by palladium immobilized on amino-functionalized siliceous mesocellular foam (Pd-AmP-MCF) was developed for diastereoselective cyclobutenol synthesis. The heterogeneous palladium catalyst can be recovered and recycled without any observed loss of activity or selectivity. The high diastereoselectivity of the reaction is proposed to originate from a directing effect of the enallenol hydroxyl group. Optically pure cyclobutenol synthesis was achieved by the heterogeneous strategy by using chiral enallenol obtained from kinetic resolution.
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Affiliation(s)
- Man-Bo Li
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Daniels Posevins
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Karl P J Gustafson
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Cheuk-Wai Tai
- Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | | | - Youai Qiu
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Jan-E Bäckvall
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
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159
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Alfonso Albiñana P, El Haskouri J, Dolores Marcos M, Estevan F, Amorós P, Úbeda MÁ, Pérez-Pla F. A new efficient, highly dispersed, Pd nanoparticulate silica supported catalyst synthesized from an organometallic precursor. Study of the homogeneous vs. heterogeneous activity in the Suzuki-Miyaura reaction. J Catal 2018. [DOI: 10.1016/j.jcat.2018.09.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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160
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Rao S, Joy MN, Prabhu KR. Employing Water as the Hydride Source in Synthesis: A Case Study of Diboron Mediated Alkyne Hydroarylation. J Org Chem 2018; 83:13707-13715. [DOI: 10.1021/acs.joc.8b01965] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Santhosh Rao
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, Karnataka, India
| | - M. Nibin Joy
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, Karnataka, India
| | - Kandikere Ramaiah Prabhu
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, Karnataka, India
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161
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Kurokhtina AA, Yarosh EV, Larina EV, Lagoda NA, Schmidt AF. Mechanistic Study of Catalysis in the Mizoroki–Heck Reaction with Anhydrides of Aromatic Acids. KINETICS AND CATALYSIS 2018. [DOI: 10.1134/s0023158418050087] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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162
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Mo Z, Kostenko A, Zhou YP, Yao S, Driess M. Chelate Silylene-Silyl Ligand Can Boost Rhodium-Catalyzed C−H Bond Functionalization Reactions. Chemistry 2018; 24:14608-14612. [DOI: 10.1002/chem.201803089] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Revised: 07/26/2018] [Indexed: 01/27/2023]
Affiliation(s)
- Zhenbo Mo
- Technische Universität Berlin; Department of Chemistry, Metalorganics and Inorganic Materials, Sekr. C2; Strasse des 17. Juni 135 10623 Berlin Germany
| | - Arseni Kostenko
- Technische Universität Berlin; Department of Chemistry, Metalorganics and Inorganic Materials, Sekr. C2; Strasse des 17. Juni 135 10623 Berlin Germany
| | - Yu-Peng Zhou
- Technische Universität Berlin; Department of Chemistry, Metalorganics and Inorganic Materials, Sekr. C2; Strasse des 17. Juni 135 10623 Berlin Germany
| | - Shenglai Yao
- Technische Universität Berlin; Department of Chemistry, Metalorganics and Inorganic Materials, Sekr. C2; Strasse des 17. Juni 135 10623 Berlin Germany
| | - Matthias Driess
- Technische Universität Berlin; Department of Chemistry, Metalorganics and Inorganic Materials, Sekr. C2; Strasse des 17. Juni 135 10623 Berlin Germany
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163
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Turner J, Chilton NF, Kumar A, Colebatch AL, Whittell GR, Sparkes HA, Weller AS, Manners I. Iron Precatalysts with Bulky Tri(tert-butyl)cyclopentadienyl Ligands for the Dehydrocoupling of Dimethylamine-Borane. Chemistry 2018; 24:14127-14136. [PMID: 29573487 DOI: 10.1002/chem.201705316] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 03/07/2018] [Indexed: 11/11/2022]
Abstract
In an attempt to prepare new Fe catalysts for the dehydrocoupling of amine-boranes and to provide mechanistic insight, the paramagnetic FeII dimeric complex [Cp'FeI]2 (1) (Cp'=η5 -((1,2,4-tBu)3 C5 H2 )) was used as a precursor to a series of cyclopentadienyl FeII and FeIII mononuclear species. The complexes prepared were [Cp'Fe(η6 -Tol)][Cp'FeI2 ] (2) (Tol=C6 H5 Me), [Cp'Fe(η6 -Tol)][BArF4 ] (3) (BArF4 =[B(C6 H3 (m-CF3 )2 )4 ]- ), [N(nBu)4 ][Cp'FeI2 ] (4), Cp'FeI2 (5), and [Cp'Fe(MeCN)3 ][BArF4 ] (6). The electronic structure of the [Cp'FeI2 ]- anion in 2 and 4 was investigated by SQUID magnetometry, EPR spectroscopy and ab initio Complete Active Space Self Consistent Field-Spin Orbit (CASSCF-SO) calculations, and the studies revealed a strongly anisotropic S=2 ground state. Complexes 1-6 were investigated as catalysts for the dehydrocoupling of Me2 NH⋅BH3 (I) in THF at 20 °C to yield the cyclodiborazane product [Me2 N-BH2 ]2 (IV). Complexes 1-4 and 6 were active dehydrocoupling catalysts towards I (5 mol % loading), however 5 was inactive, and ultra-violet (UV) irradiation was required for the reaction mediated by 3. Complex 6 was found to be the most active precatalyst, reaching 80 % conversion to IV after 19 h at 22 °C. Dehydrocoupling of I by 1-4 proceeded via formation of the aminoborane Me2 N=BH2 (II) as the major intermediate, whereas for 6 the linear diborazane Me2 NH-BH2 -NMe2 -BH3 (III) could be detected, together with trace amounts of II. Reactions of 1 and 6 with Me3 N⋅BH3 were investigated in an attempt to identify Fe-based intermediates in the catalytic reactions. The σ-complex [Cp'Fe(MeCN)(κ2 -H2 BH⋅NMe2 H][BArF4 ] was proposed to initially form in dehydrocoupling reactions involving 6 based on ESI-MS (ESI=Electrospray Ionisation Mass Spectroscopy) and NMR spectroscopic evidence. The latter also suggests that these complexes function as precursors to iron hydrides which may be the true catalytic species.
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Affiliation(s)
- Joshua Turner
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
| | - Nicholas F Chilton
- School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Amit Kumar
- Department of Chemistry, University of Oxford, Oxford, OX1 3TA, UK
| | | | - George R Whittell
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
| | - Hazel A Sparkes
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
| | - Andrew S Weller
- Department of Chemistry, University of Oxford, Oxford, OX1 3TA, UK
| | - Ian Manners
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
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164
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Rao S, Prabhu KR. Stereodivergent Alkyne Reduction by using Water as the Hydrogen Source. Chemistry 2018; 24:13954-13962. [DOI: 10.1002/chem.201803147] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Santhosh Rao
- Department of Organic Chemistry; Indian Institute of Science; Bengaluru 560012 India
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165
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Khusnutdinova D, Wadsworth BL, Flores M, Beiler AM, Reyes Cruz EA, Zenkov Y, Moore GF. Electrocatalytic Properties of Binuclear Cu(II) Fused Porphyrins for Hydrogen Evolution. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01776] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Diana Khusnutdinova
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Brian L. Wadsworth
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Marco Flores
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Anna M. Beiler
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Edgar A. Reyes Cruz
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Yegor Zenkov
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Gary F. Moore
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
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166
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Gorunova ON, Novitskiy IM, Grishin YK, Gloriozov IP, Roznyatovsky VA, Khrustalev VN, Kochetkov KA, Dunina VV. When Applying the Mercury Poisoning Test to Palladacycle-Catalyzed Reactions, One Should Not Consider the Common Misconception of Mercury(0) Selectivity. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00363] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Olga N. Gorunova
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciencies, Vavilova St. 28, 119991 Moscow, Russian Federation
| | - Ivan M. Novitskiy
- Department of Chemistry, M. V. Lomonosov Moscow State University, Lenin Hills, 119991 Moscow, Russian Federation
| | - Yuri K. Grishin
- Department of Chemistry, M. V. Lomonosov Moscow State University, Lenin Hills, 119991 Moscow, Russian Federation
| | - Igor P. Gloriozov
- Department of Chemistry, M. V. Lomonosov Moscow State University, Lenin Hills, 119991 Moscow, Russian Federation
| | - Vitaly A. Roznyatovsky
- Department of Chemistry, M. V. Lomonosov Moscow State University, Lenin Hills, 119991 Moscow, Russian Federation
| | - Victor N. Khrustalev
- Inorganic Chemistry Department, Peoples’ Friendship University of Russia, Miklukho-Maklay Street 6, 117198 Moscow, Russian Federation
- National Research Center, Kurchatov Institute, Acad. Kurchatov Sq. 1, Moscow 123182, Russian Federation
| | - Konstantin A. Kochetkov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciencies, Vavilova St. 28, 119991 Moscow, Russian Federation
| | - Valery V. Dunina
- Department of Chemistry, M. V. Lomonosov Moscow State University, Lenin Hills, 119991 Moscow, Russian Federation
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167
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Tran BL, Fulton JL, Linehan JC, Lercher JA, Bullock RM. Rh(CAAC)-Catalyzed Arene Hydrogenation: Evidence for Nanocatalysis and Sterically Controlled Site-Selective Hydrogenation. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02589] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Ba L. Tran
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - John L. Fulton
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - John C. Linehan
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Johannes A. Lercher
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - R. Morris Bullock
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
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168
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Ortiz A, Gómez-Sal P, Flores JC, de Jesús E. Highly Recoverable Pd(II) Catalysts for the Mizoroki–Heck Reaction Based on N-Heterocyclic Carbenes and Poly(benzyl ether) Dendrons. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00295] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Alba Ortiz
- Departamento de Química Orgánica y de Química Inorgánica, Instituto de Investigación Química “Andrés M. del Río”, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain
| | - Pilar Gómez-Sal
- Departamento de Química Orgánica y de Química Inorgánica, Instituto de Investigación Química “Andrés M. del Río”, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain
| | - Juan C. Flores
- Departamento de Química Orgánica y de Química Inorgánica, Instituto de Investigación Química “Andrés M. del Río”, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain
| | - Ernesto de Jesús
- Departamento de Química Orgánica y de Química Inorgánica, Instituto de Investigación Química “Andrés M. del Río”, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain
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169
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Fu YF, Song KP, Zou ZJ, Li MQ. External cross-linked sulfonate-functionalized N-heterocyclic carbenes: an efficient and recyclable catalyst for Suzuki–Miyaura reactions in water. TRANSIT METAL CHEM 2018. [DOI: 10.1007/s11243-018-0255-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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170
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Igarashi T, Haito A, Chatani N, Tobisu M. Nickel-Catalyzed Reductive Cleavage of Carbon–Oxygen Bonds in Anisole Derivatives Using Diisopropylaminoborane. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02009] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Takuya Igarashi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Akira Haito
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Mamoru Tobisu
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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171
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Din Reshi NU, Senthurpandi D, Samuelson AG. A mechanistic study of transfer hydrogenation catalyzed by cyclometallated ruthenium half-sandwich complexes. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.04.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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172
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Sikorski W, Zawartka W, Trzeciak A. PEPPSI-type complexes with small NHC ligands obtained according to the new method efficiently catalyzed Suzuki-Miyaura reaction. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.01.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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173
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Dutta I, Yadav S, Sarbajna A, De S, Hölscher M, Leitner W, Bera JK. Double Dehydrogenation of Primary Amines to Nitriles by a Ruthenium Complex Featuring Pyrazole Functionality. J Am Chem Soc 2018; 140:8662-8666. [DOI: 10.1021/jacs.8b05009] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Indranil Dutta
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Sudhir Yadav
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Abir Sarbajna
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Subhabrata De
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - 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
- Max Planck Institute for Chemical Energy Conversion, Stiftstraße 34-36, 45470 Mülheim an der Ruhr, Germany
| | - Jitendra K. Bera
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
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174
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Li Y, Krause JA, Guan H. Cobalt POCOP Pincer Complexes via Ligand C–H Bond Activation with Co2(CO)8: Catalytic Activity for Hydrosilylation of Aldehydes in an Open vs a Closed System. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00273] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yingze Li
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Jeanette A. Krause
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Hairong Guan
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
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175
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Yuan N, Pascanu V, Huang Z, Valiente A, Heidenreich N, Leubner S, Inge AK, Gaar J, Stock N, Persson I, Martín-Matute B, Zou X. Probing the Evolution of Palladium Species in Pd@MOF Catalysts during the Heck Coupling Reaction: An Operando X-ray Absorption Spectroscopy Study. J Am Chem Soc 2018; 140:8206-8217. [PMID: 29890070 DOI: 10.1021/jacs.8b03505] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The mechanism of the Heck C-C coupling reaction catalyzed by Pd@MOFs has been investigated using operando X-ray absorption spectroscopy (XAS) and powder X-ray diffraction (PXRD) combined with transmission electron microscopy (TEM) analysis and nuclear magnetic resonance (1H NMR) kinetic studies. A custom-made reaction cell was used, allowing operando PXRD and XAS data collection using high-energy synchrotron radiation. By analyzing the XAS data in combination with ex situ studies, the evolution of the palladium species is followed from the as-synthesized to its deactivated form. An adaptive reaction mechanism is proposed. Mononuclear Pd(II) complexes are found to be the dominant active species at the beginning of the reaction, which then gradually transform into Pd nanoclusters with 13-20 Pd atoms on average in later catalytic turnovers. Consumption of available reagent and substrate leads to coordination of Cl- ions to their surfaces, which causes the poisoning of the active sites. By understanding the deactivation process, it was possible to tune the reaction conditions and prolong the lifetime of the catalyst.
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Affiliation(s)
- Ning Yuan
- Berzelii Center EXSELENT on Porous Materials , Stockholm University , SE-106 91 Stockholm , Sweden.,Department of Materials and Environmental Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden.,Department of Molecular Sciences , Swedish University of Agricultural Sciences , P.O. Box 7015, SE-750 07 Uppsala , Sweden
| | - Vlad Pascanu
- Berzelii Center EXSELENT on Porous Materials , Stockholm University , SE-106 91 Stockholm , Sweden.,Department of Organic Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden
| | - Zhehao Huang
- Berzelii Center EXSELENT on Porous Materials , Stockholm University , SE-106 91 Stockholm , Sweden.,Department of Materials and Environmental Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden
| | - Alejandro Valiente
- Berzelii Center EXSELENT on Porous Materials , Stockholm University , SE-106 91 Stockholm , Sweden.,Department of Organic Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden
| | - Niclas Heidenreich
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel , DE-24118 Kiel , Germany
| | - Sebastian Leubner
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel , DE-24118 Kiel , Germany
| | - A Ken Inge
- Berzelii Center EXSELENT on Porous Materials , Stockholm University , SE-106 91 Stockholm , Sweden.,Department of Materials and Environmental Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden
| | - Jakob Gaar
- Department of Organic Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden
| | - Norbert Stock
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel , DE-24118 Kiel , Germany
| | - Ingmar Persson
- Department of Molecular Sciences , Swedish University of Agricultural Sciences , P.O. Box 7015, SE-750 07 Uppsala , Sweden
| | - Belén Martín-Matute
- Berzelii Center EXSELENT on Porous Materials , Stockholm University , SE-106 91 Stockholm , Sweden.,Department of Organic Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden
| | - Xiaodong Zou
- Berzelii Center EXSELENT on Porous Materials , Stockholm University , SE-106 91 Stockholm , Sweden.,Department of Materials and Environmental Chemistry , Stockholm University , SE-106 91 Stockholm , Sweden
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176
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177
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Gehrtz PH, Kathe P, Fleischer I. Nickel-Catalyzed Coupling of Arylzinc Halides with Thioesters. Chemistry 2018; 24:8774-8778. [DOI: 10.1002/chem.201801887] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Paul H. Gehrtz
- Institute of Organic Chemistry; Faculty of Mathematics and Natural Sciences; Eberhard-Karls University Tübingen; Auf der Morgenstelle 18 72076 Tübingen Germany
| | - Prasad Kathe
- Institute of Organic Chemistry; Faculty of Mathematics and Natural Sciences; Eberhard-Karls University Tübingen; Auf der Morgenstelle 18 72076 Tübingen Germany
| | - Ivana Fleischer
- Institute of Organic Chemistry; Faculty of Mathematics and Natural Sciences; Eberhard-Karls University Tübingen; Auf der Morgenstelle 18 72076 Tübingen Germany
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178
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Ciszek B, Fleischer I. Homogeneous Palladium-Catalyzed Transfer Hydrogenolysis of Benzylic Alcohols Using Formic Acid as Reductant. Chemistry 2018; 24:12259-12263. [DOI: 10.1002/chem.201801466] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Benjamin Ciszek
- Institute of Organic Chemistry; Eberhard Karls University of Tuebingen; Auf der Morgenstelle 18 72076 Tuebingen Germany
| | - Ivana Fleischer
- Institute of Organic Chemistry; Eberhard Karls University of Tuebingen; Auf der Morgenstelle 18 72076 Tuebingen Germany
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179
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Goldbach V, Krumova M, Mecking S. Full-Range Interconversion of Nanocrystals and Bulk Metal with a Highly Selective Molecular Catalyst. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00981] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Verena Goldbach
- Chair of Chemical Materials Science, Department of Chemistry, University of Konstanz, 78464 Konstanz, Germany
| | - Marina Krumova
- Chair of Chemical Materials Science, Department of Chemistry, University of Konstanz, 78464 Konstanz, Germany
| | - Stefan Mecking
- Chair of Chemical Materials Science, Department of Chemistry, University of Konstanz, 78464 Konstanz, Germany
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180
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Cook AK, Copéret C. Alkyne Hydroamination Catalyzed by Silica-Supported Isolated Zn(II) Sites. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00202] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Amanda K. Cook
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir Prelog Weg 1-5, CH-8093 Zürich, Switzerland
| | - Christophe Copéret
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir Prelog Weg 1-5, CH-8093 Zürich, Switzerland
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181
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Chakraborty U, Reyes‐Rodriguez E, Demeshko S, Meyer F, Jacobi von Wangelin A. A Manganese Nanosheet: New Cluster Topology and Catalysis. Angew Chem Int Ed Engl 2018; 57:4970-4975. [PMID: 29436771 PMCID: PMC5969092 DOI: 10.1002/anie.201800079] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 02/05/2018] [Indexed: 01/12/2023]
Abstract
While the coordination chemistry of monometallic complexes and the surface characteristics of larger metal particles are well understood, preparations of molecular metallic nanoclusters remain a great challenge. Discrete planar metal clusters constitute nanoscale snapshots of cluster growth but are especially rare owing to the strong preference for three-dimensional structures and rapid aggregation or decomposition. A simple ligand-exchange procedure has led to the formation of a novel heteroleptic Mn6 nanocluster that crystallized in an unprecedented flat-chair topology and exhibited unique magnetic and catalytic properties. Magnetic susceptibility studies documented strong electronic communication between the manganese ions. Reductive activation of the molecular Mn6 cluster enabled catalytic hydrogenations of alkenes, alkynes, and imines.
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Affiliation(s)
- Uttam Chakraborty
- Department of ChemistryUniversity ofRegensburgGermany
- Department of ChemistryUniversity of HamburgMartin Luther King Pl. 620146HamburgGermany
| | | | - Serhiy Demeshko
- University of GöttingenInstitute of Inorganic ChemistryTammannstraße 437077GöttingenGermany
| | - Franc Meyer
- University of GöttingenInstitute of Inorganic ChemistryTammannstraße 437077GöttingenGermany
| | - Axel Jacobi von Wangelin
- Department of ChemistryUniversity ofRegensburgGermany
- Department of ChemistryUniversity of HamburgMartin Luther King Pl. 620146HamburgGermany
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182
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Polystyrene-Supported Acyclic Diaminocarbene Palladium Complexes in Sonogashira Cross-Coupling: Stability vs. Catalytic Activity. Catalysts 2018. [DOI: 10.3390/catal8040141] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Two types of immobilized on the amino-functionalized polystyrene-supported acyclic diaminocarbene palladium complexes (ADC-PdII) are investigated under Sonogashira cross-coupling conditions. Depending on substituents in the diaminocarbene fragment immobilized ADC-PdII, systems are found to have different catalytic activity and stability regarding Pd-leaching. PdII-diaminocarbenes possessing protons at both nitrogen atoms smoothly decompose into Pd0-containing species providing a catalytic “cocktail system” with high activity and ability to reuse within nine runs. Polymer-supported palladium (II) complex bearing NBn–Ccarbene–NH-moiety exhibits greater stability while noticeably lower activity under Sonogashira cross-coupling. Four molecular ADC-PdII complexes are also synthesized and investigated with the aim of confirming proposed base-promoted pathway of ADC-PdII conversion through carbodiimide into an active Pd0 forms.
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183
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Skibinski B, Götze C, Worch E, Uhl W. Pore diffusion limits removal of monochloramine in treatment of swimming pool water using granular activated carbon. WATER RESEARCH 2018; 132:270-281. [PMID: 29331914 DOI: 10.1016/j.watres.2017.12.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Revised: 12/21/2017] [Accepted: 12/22/2017] [Indexed: 06/07/2023]
Abstract
Overall apparent reaction rates for the removal of monochloramine (MCA) in granular activated carbon (GAC) beds were determined using a fixed-bed reactor system and under conditions typical for swimming pool water treatment. Reaction rates dropped and quasi-stationary conditions were reached quickly. Diffusional mass transport in the pores was shown to be limiting the overall reaction rate. This was reflected consistently in the Thiele modulus, in the effect of temperature, pore size distribution and of grain size on the reaction rates. Pores <2.5 times the diameter of the monochloramine molecule were shown to be barely accessible for the monochloramine conversion reaction. GACs with a significant proportion of large mesopores were found to have the highest overall reactivity for monochloramine removal.
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Affiliation(s)
- Bertram Skibinski
- Technische Universität Dresden, Chair of Water Supply Engineering, 01062 Dresden, Germany.
| | - Christoph Götze
- Technische Universität Dresden, Chair of Water Supply Engineering, 01062 Dresden, Germany
| | - Eckhard Worch
- Technische Universität Dresden, Chair of Hydrochemistry, 01062 Dresden, Germany
| | - Wolfgang Uhl
- Technische Universität Dresden, Chair of Water Supply Engineering, 01062 Dresden, Germany; Norwegian Institute for Water Research (NIVA), 0349 Oslo, Norway.
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184
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Chakraborty U, Reyes-Rodriguez E, Demeshko S, Meyer F, Jacobi von Wangelin A. A Manganese Nanosheet: New Cluster Topology and Catalysis. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800079] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Uttam Chakraborty
- Department of Chemistry; University of; Regensburg Germany
- Department of Chemistry; University of Hamburg; Martin Luther King Pl. 6 20146 Hamburg Germany
| | | | - Serhiy Demeshko
- University of Göttingen; Institute of Inorganic Chemistry; Tammannstraße 4 37077 Göttingen Germany
| | - Franc Meyer
- University of Göttingen; Institute of Inorganic Chemistry; Tammannstraße 4 37077 Göttingen Germany
| | - Axel Jacobi von Wangelin
- Department of Chemistry; University of; Regensburg Germany
- Department of Chemistry; University of Hamburg; Martin Luther King Pl. 6 20146 Hamburg Germany
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185
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Ott JC, Blasius CK, Wadepohl H, Gade LH. Synthesis, Characterization, and Reactivity of a High-Spin Iron(II) Hydrido Complex Supported by a PNP Pincer Ligand and Its Application as a Homogenous Catalyst for the Hydrogenation of Alkenes. Inorg Chem 2018; 57:3183-3191. [DOI: 10.1021/acs.inorgchem.7b03227] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Jonas C. Ott
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, 69120 Heidelberg, Germany
| | - Clemens K. Blasius
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, 69120 Heidelberg, Germany
| | - Hubert Wadepohl
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, 69120 Heidelberg, Germany
| | - Lutz. H. Gade
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, 69120 Heidelberg, Germany
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186
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Palladium nanoparticles immobilized on EDTA-modified Fe3
O4
@SiO2
nanospheres as an efficient and magnetically separable catalyst for Suzuki and Sonogashira cross-coupling reactions. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4302] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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187
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Biffis A, Centomo P, Del Zotto A, Zecca M. Pd Metal Catalysts for Cross-Couplings and Related Reactions in the 21st Century: A Critical Review. Chem Rev 2018; 118:2249-2295. [DOI: 10.1021/acs.chemrev.7b00443] [Citation(s) in RCA: 670] [Impact Index Per Article: 111.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Andrea Biffis
- Dipartimento
di Scienze Chimiche, Università di Padova, via Marzolo 1, I-35131 Padova, Italy
| | - Paolo Centomo
- Dipartimento
di Scienze Chimiche, Università di Padova, via Marzolo 1, I-35131 Padova, Italy
| | - Alessandro Del Zotto
- Dipartimento
di Scienze Agroalimentari, Ambientali e Animali−Sezione di
Chimica, Università di Udine, Via delle Scienze 206, I-33100 Udine, Italy
| | - Marco Zecca
- Dipartimento
di Scienze Chimiche, Università di Padova, via Marzolo 1, I-35131 Padova, Italy
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188
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189
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Zieliński GK, Majtczak J, Gutowski M, Grela K. A Selective and Functional Group-Tolerant Ruthenium-Catalyzed Olefin Metathesis/Transfer Hydrogenation Tandem Sequence Using Formic Acid as Hydrogen Source. J Org Chem 2018; 83:2542-2553. [DOI: 10.1021/acs.joc.7b02468] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Grzegorz K. Zieliński
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw, Poland
| | - Jarosława Majtczak
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw, Poland
| | - Maciej Gutowski
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw, Poland
| | - Karol Grela
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw, Poland
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190
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Sandl S, Schwarzhuber F, Pöllath S, Zweck J, Jacobi von Wangelin A. Olefin-Stabilized Cobalt Nanoparticles for C=C, C=O, and C=N Hydrogenations. Chemistry 2018; 24:3403-3407. [PMID: 29314352 DOI: 10.1002/chem.201705366] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Indexed: 11/11/2022]
Abstract
The development of cobalt catalysts that combine easy accessibility and high selectivity constitutes a promising approach to the replacement of noble-metal catalysts in hydrogenation reactions. This report introduces a user-friendly protocol that avoids complex ligands, hazardous reductants, special reaction conditions, and the formation of highly unstable pre-catalysts. Reduction of CoBr2 with LiEt3 BH in the presence of alkenes led to the formation of hydrogenation catalysts that effected clean conversions of alkenes, carbonyls, imines, and heteroarenes at mild conditions (3 mol % cat., 2-10 bar H2 , 20-80 °C). Poisoning studies and nanoparticle characterization by TEM, EDX, and DLS supported the notion of a heterotopic catalysis mechanism.
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Affiliation(s)
- Sebastian Sandl
- Institute of Organic Chemistry, University of Regensburg, Germany
| | - Felix Schwarzhuber
- Institute of Experimental and Applied Physics, University of Regensburg, Germany
| | - Simon Pöllath
- Institute of Experimental and Applied Physics, University of Regensburg, Germany
| | - Josef Zweck
- Institute of Experimental and Applied Physics, University of Regensburg, Germany
| | - Axel Jacobi von Wangelin
- Institute of Organic Chemistry, University of Regensburg, Germany.,Dept. of Chemistry, University of Hamburg, Martin Luther King Platz 6, 20146, Hamburg, Germany
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191
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Krstić M, Jin Q, Khairallah GN, O'Hair RAJ, Bonačić‐Koutecký V. How to Translate the [LCu
2
(H)]
+
‐Catalysed Selective Decomposition of Formic Acid into H
2
and CO
2
from the Gas Phase into a Zeolite. ChemCatChem 2018. [DOI: 10.1002/cctc.201701594] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Marjan Krstić
- Center of excellence for science and technology—, integration of Mediterranean region (STIM) at, Interdisciplinary Center for Advanced Sciences and Technology (ICAST) University of Split Meštrovićevo Šetalište 45 21000 Split Croatia
| | - Qiuyan Jin
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute University of Melbourne 30 Flemington Rd Parkville Victoria 3010 Australia
| | - George N. Khairallah
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute University of Melbourne 30 Flemington Rd Parkville Victoria 3010 Australia
| | - Richard A. J. O'Hair
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute University of Melbourne 30 Flemington Rd Parkville Victoria 3010 Australia
| | - Vlasta Bonačić‐Koutecký
- Center of excellence for science and technology—, integration of Mediterranean region (STIM) at, Interdisciplinary Center for Advanced Sciences and Technology (ICAST) University of Split Meštrovićevo Šetalište 45 21000 Split Croatia
- Chemistry Department Humboldt University of Berlin Brook-Taylor-Strasse 2 12489 Berlin Germany
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192
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Manojveer S, Forrest SJK, Johnson MT. Ru-Catalyzed Completely Deoxygenative Coupling of 2-Arylethanols through Base-Induced Net Decarbonylation. Chemistry 2018; 24:803-807. [PMID: 29239494 DOI: 10.1002/chem.201705208] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Indexed: 01/25/2023]
Abstract
Substituted arylethanols can be coupled by using a readily available Ru catalyst in a fully deoxygenative manner to produce hydrocarbon chains in one step. Control experiments indicate that the first deoxygenation occurs through an aldol condensation, whereas the second occurs through a base-induced net decarbonylation. This double deoxygenation enables further development in the use of alcohols as versatile and green alkylating reagents, as well as in other fields, such as deoxygenation and upgrading of overfunctionalized biomass to produce hydrocarbons.
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Affiliation(s)
- Seetharaman Manojveer
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, 22100, Lund, Sweden
| | - Sebastian J K Forrest
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, 22100, Lund, Sweden
| | - Magnus T Johnson
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, 22100, Lund, Sweden
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193
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Catalytic Water Oxidation by Iridium-Modified Carbonic Anhydrase. Chem Asian J 2018; 13:334-341. [DOI: 10.1002/asia.201701543] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 12/24/2017] [Indexed: 11/07/2022]
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194
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Li TT, Zheng YQ. Electrocatalytic water oxidation using a chair-like tetranuclear copper(ii) complex in a neutral aqueous solution. Dalton Trans 2018; 45:12685-90. [PMID: 27445118 DOI: 10.1039/c6dt01891b] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The development of viable molecular water oxidation catalysts is an important issue in the conversion of electricity or solar fuel into chemical fuels via water splitting, and copper complexes have become promising candidates for catalyzing water oxidation because of their low cost, well-defined redox properties and relatively high reactivity. Herein, we describe the first tetranuclear Cu(ii)-based water oxidation catalyst: [Cu4(bpy)4(μ2-OH)2(μ3-OH)2(H2O)2](2+). The complex comprises a chair-like Cu4O4 core with aqua and bridging μ-hydroxo ligands, and the multinuclear core is expected to be advantageous for promoting multi-electron transfer. In pH 7.0 phosphate buffer, the complex shows as being hydrolytically stable and a relatively low overpotential of ca. 730 mV is obtained according to a cyclic voltammetry experiment. Bulk electrolysis measurements at 1.80 V vs. a normal hydrogen electrode provided a stable current density of 0.78 mA cm(-2) and the current persists for at least 10 h. A Faradaic efficiency of nearly 98% is achieved. Importantly, the electrochemical data support that this tetranuclear complex works as a robust homogeneous water oxidation catalyst.
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Affiliation(s)
- Ting-Ting Li
- Institute for Solid State Chemistry, Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province 315211, PR China.
| | - Yue-Qing Zheng
- Institute for Solid State Chemistry, Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province 315211, PR China.
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195
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Kulkarni NV, Brennessel WW, Jones WD. Catalytic Upgrading of Ethanol to n-Butanol via Manganese-Mediated Guerbet Reaction. ACS Catal 2018. [DOI: 10.1021/acscatal.7b03653] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Naveen V. Kulkarni
- Department
of Chemistry, University of Rochester, Rochester, New York 14450, United States
- Department
of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala 690525, India
| | - William W. Brennessel
- Department
of Chemistry, University of Rochester, Rochester, New York 14450, United States
| | - William D. Jones
- Department
of Chemistry, University of Rochester, Rochester, New York 14450, United States
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196
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Fukuzumi S, Lee YM, Nam W. Thermal and photocatalytic production of hydrogen with earth-abundant metal complexes. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2017.07.014] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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197
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Lan TX, Gao WS, Chen CN, Wang HS, Wang M, Fan YH. Two tetranuclear 3d–4f heterometal complexes Mn2Ln2 (Ln = Dy, Gd): synthesis, structure, magnetism, and electrocatalytic reactivity for water oxidation. NEW J CHEM 2018. [DOI: 10.1039/c8nj00149a] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The two Mn2Ln2 complexes can catalyze water oxidation, which may arise from the cooperative catalytic effect of the Mn/Ln ions.
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Affiliation(s)
- Tian-Xiang Lan
- Key Laboratory of Marine Chemistry Theory and Technology
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Ocean University of China
- Qingdao
| | - Wei-Song Gao
- Key Laboratory of Marine Chemistry Theory and Technology
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Ocean University of China
- Qingdao
| | - Chang-Neng Chen
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- The Chinese Academy of Sciences
- Fuzhou
- China
| | - Hui-Sheng Wang
- School of Chemistry and Environmental Engineering
- Wuhan Institute of Technology
- Key Laboratory for Green Chemical Process of Ministry of Education
- Wuhan 430074
- P. R. China
| | - Mei Wang
- Key Laboratory of Marine Chemistry Theory and Technology
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Ocean University of China
- Qingdao
| | - Yu-hua Fan
- Key Laboratory of Marine Chemistry Theory and Technology
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Ocean University of China
- Qingdao
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198
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Lorkowski J, Żak P, Kubicki M, Pietraszuk C, Jędrzkiewicz D, Ejfler J. Dimeric palladium 1,2,3-triazol-5-ylidene complexes – synthesis, structure, reactivity and catalytic properties in Suzuki coupling. NEW J CHEM 2018. [DOI: 10.1039/c8nj00981c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Palladium 1,2,3-triazol-5-ylidene dimers transform to bis(carbene) species and in Suzuki coupling conditions lose carbene via reductive elimination of a 5-aryltriazolium salt.
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Affiliation(s)
- Jan Lorkowski
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - Patrycja Żak
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - Maciej Kubicki
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - Cezary Pietraszuk
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | | | - Jolanta Ejfler
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
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199
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Żak P, Bołt M, Kubicki M, Pietraszuk C. Highly selective hydrosilylation of olefins and acetylenes by platinum(0) complexes bearing bulky N-heterocyclic carbene ligands. Dalton Trans 2018; 47:1903-1910. [DOI: 10.1039/c7dt04392a] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Platinum(0) complexes bearing bulky N-heterocyclic carbene ligands, catalyse selective hydrosilylation of terminal olefins as well as terminal and internal acetylenes.
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Affiliation(s)
- P. Żak
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - M. Bołt
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - M. Kubicki
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - C. Pietraszuk
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
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200
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Büschelberger P, Reyes-Rodriguez E, Schöttle C, Treptow J, Feldmann C, Jacobi von Wangelin A, Wolf R. Recyclable cobalt(0) nanoparticle catalysts for hydrogenations. Catal Sci Technol 2018. [DOI: 10.1039/c8cy00595h] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Small Co(0) nanoparticles catalyze hydrogenations of alkenes, alkynes, imines, and heteroarenes; the magnetic properties enabled catalyst separation and multiple recyclings.
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Affiliation(s)
| | | | - Christian Schöttle
- Karlsruhe Institute of Technology (KIT)
- Institut für Anorganische Chemie
- 76131 Karlsruhe
- Germany
| | - Jens Treptow
- Karlsruhe Institute of Technology (KIT)
- Institut für Anorganische Chemie
- 76131 Karlsruhe
- Germany
| | - Claus Feldmann
- Karlsruhe Institute of Technology (KIT)
- Institut für Anorganische Chemie
- 76131 Karlsruhe
- Germany
| | | | - Robert Wolf
- University of Regensburg
- Institute of Inorganic Chemistry
- 93040 Regensburg
- Germany
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