Universität Bayreuth Universität Bayreuth Inorganic Chemistry II




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Selected Publications

2017
Mangankomplexe in der (De)Hydrier-Katalyse - ein Vergleich mit Kobalt- und Eisenkatalysatoren
F. Kallmeier, R. Kempe,
Angew. Chem. Int. Ed., 2017, early view 
[ Online Version: DOI: 10.1002/anie.201709010 ]
 




A Broadly Tunable Synthesis of Linear a-Olefins
A. Gollwitzer, T. Dietel, W. P. Kretschmer and R. Kempe
Nature Comm., 2017, 8, 1226
[ Online Version: DOI: 10.1038/s41467-017-01507-2




Manganese-Catalyzed Sustainable Synthesis of Pyrroles from Alcohols and Amino Alcohols
F. Kallmeier, B. Dudziec, T. Irrgang, R. Kempe,
Angew. Chem. Int. Ed., 2017, 56, 7261-7265
[ Online Version: DOI: 10.1002/anie.201702543 ]




Manganese-Catalyzed Multicomponent Synthesis of Pyrimidines from Alcohols and Amidines
N. Deibl, R. Kempe,
Angew. Chem. Int. Ed., 2017, 56, 1663-1666
[ Online Version: DOI: 10.1002/anie.201611318 ]




The Synthesis of meta-Functionalized Pyridines via Selective Dehydrogenative Heterocondensation of β-Amino Alcohols and γ-Amino Alcohols
T. Hille, T. Irrgang, R. Kempe,
Angew. Chem. Int. Ed., 2017, 56, 371-374
[ Online Version: DOI: 10.1002/anie.201610071 ]







2016
A Reusable Co Catalyst for the Selective Hydrogenation of Functionalized Nitroarenes and the Direct Synthesis of Imines and Benzimidazoles from Nitroarenes and Aldehydes
T. Schwob, R. Kempe,
Angew. Chem. Int. Ed., 2016, 55, 15175-15179
[ Online Version: DOI: 10.1002/anie.201608321 ]




Single-catalyst high-weight% hydrogen storage in an N-heterocycle synthesized from lignin hydrogenolysis products and ammonia
D. Forberg, T. Schwob, M. Zaheer, M. Friedrich, N. Miyajima, R. Kempe,
Nat. Commun., 2016, 7, 13201
[Online Version: DOI: 10.1038/ncomms13201 ]




General and Mild Cobalt-Catalyzed C-Alkylation of Unactivated Amides and Esters with Alcohols
N. Deibl, R. Kempe,
J. Am. Chem. Soc., 2016, 34, 10786-10789
[Online Version: DOI: 10.1021/jacs.6b06448 ]




Highly Active and Selective Manganese C=O Bond Hydrogenation Catalysts: The Importance of the Multidentate Ligand, the Ancillary Ligands, and the Oxidation State
F. Kallmeier, T. Irrgang, T. Dietel, R. Kempe,
Angew. Chem. Int. Ed., 2016, 39, 11809-11809
[Online Version: DOI: 10.1002/anie.201606218 ]







2015


Cobalt-Catalyzed Alkylation of Aromatic Amines by Alcohols
S. Rösler, M. Ertl, T. Irrgang, R. Kempe,
Angew. Chem. Int. Ed., 2015, 54, 15046-15050
[Online Version: DOI: 10.1002/anie.201507955 ]




A Sustainable Multicomponent Pyrimidine Synthesis
N. Deibl, K. Ament, R. Kempe
J. Am. Chem. Soc., 2015, 40, 12804-12807
[Online Version: DOI: 10.1021/jacs.5b09510 ]




Enhanced capacitance of nitrogen-doped hierarchically porous carbide-derived carbon in matched ionic liquids
J.-K. Ewert, D. Weingarth, C. Denner, M. Friedrich, M. Zeiger, A. Schreiber, N. Jäckel, V. Presser, R. Kempe
J. Mater. Chem. A, 2015, 3, 18906-18912.
[Online Version: DOI: 10.1039/C5TA04773K ]




A Highly Active and Easily Accessible Cobalt Catalyst for Selective Hydrogenation of C-O Bonds
S. Rösler, J. Obenauf, R. Kempe
J. Am. Chem. Soc., 2015, 137, 7998-8001.
[Online Version: DOI: 10.1021/jacs.5b04349 ]




Catalytic Hydrogenolysis of Aryl Ethers: A Key Step in Lignin Valorization to Valuable Chemicals
M. Zaheer, R. Kempe
ACS Catal., 2015, 5, 1675-1684.
[Online Version: DOI: 10.1021/cs501498f ]









2014


New Iridium Catalysts for the Selective Alkylation of Amines by Alcohols under Mild Conditions and for the Synthesis of Quinolines by Acceptor-less Dehydrogenative Condensation
S. Ruch, T. Irrgang, R. Kempe,
Chem. Eur. J., 2014, 20, 13279-13285.
[Online Version: DOI: 10.1002/chem.201402952 ]




CO2 and SO2 activation by a Cr–Cr quintuple bond
A. Noor, S. Qayyum, T. Bauer, S. Schwarz, B. Weber, R. Kempe
Chem. Commun., 2014, 50, 13127-13130.
[Online Version: DOI: 10.1039/C4CC05071A ]




The synthesis of pyrroles via acceptorless dehydrogenative condensation of secondary alcohols and 1,2-amino alcohols mediated by a robust and reusable catalyst based on nanometer-sized iridium particles
D. Forberg, J. Obenauf, M. Friedrich, S.-M. Hühne, W. Mader, G. Motz, R. Kempe
Catal. Sci. Technol., 2014, 4, 4188-4192.
[Online Version: DOI: 10.1039/C4CY01018C ]




The Synthesis of Benzimidazoles and Quinoxalines from Aromatic Diamines and Alcohols by Iridium-Catalyzed Acceptorless Dehydrogenative Alkylation
T. Hille, T. Irrgang, R. Kempe
Chem. Eur. J., 2014, 20, 5569-5572.
[Online Version: DOI: 10.1002/chem.201400400 ]




Lanthanoid–Transition-Metal Bonding in Bismetallocenes
M. Butovskii, B. Oelkers, T. Bauer, J. Bakker, V. Bezugly, F. Wagner, R. Kempe
Chem. Eur. J., 2014, 20, 2804-2811.
[Online Version: DOI: 10.1002/chem.201304125 ]









2013


Regioselectively Functionalized Pyridines from Sustainable Resources
S. Michlik, R. Kempe,
Angew. Chem. Int. Ed., 2013, 52, 6326-6329.
[Online Version: DOI: 10.1002/anie.201301919 ]




A sustainable catalytic pyrrole synthesis
S. Michlik, R. Kempe,
Nature Chemistry, 2013, 5, 140–144.
[Online Version: DOI: 10.1038/nchem.1547 ]




Colloidal Size Effect and Metal-Particle Migration in M@MOF/PCP Catalysis
J. Hermannsdörfer, M. Friedrich, Rhett Kempe
Chem. Eur. J., 2013, 19, 13652–13657.
[Online Version: DOI: 10.1002/chem.201302809 ]




The Ligand-Based Quintuple Bond-Shortening Concept and Some of Its Limitations
Dr. Awal Noor, Tobias Bauer, Dr. Tanya K. Todorova,
Prof. Dr. Birgit Weber, Prof. Dr. Laura Gagliardi, Prof. Dr. Rhett Kempe
Chem. Eur. J., 2013, 19, 9825–9832.
[Online Version: DOI: 10.1002/chem.201301240 ]




Ternary Rare-Earth Transition-Metal Polyhydride Cluster Compounds
T. Bauer, F. R. Wagner, R. Kempe,
Chem. Eur. J., 2013, 19, 8732-8735.
[Online Version: DOI: 10.1002/chem.201301290 ]




A Highly Efficient Titanium Catalyst for the Synthesis of Ultrahigh-Molecular-Weight Polyethylene (UHMWPE)
I. Haas, C. Hübner, W. P. Kretschmer, R. Kempe,
Chem. Eur. J., 2013, 19, 9132–9136.
[Online Version: DOI: 10.1002/chem.201301176 ]




Aminopyridinate-FI Hybrids, Their Hafnium and Titanium Complexes, and Their Application in the Living Polymerization of 1-Hexene
I. Haas, T. Dietel, K. Press, M. Kol, R. Kempe,
Chem. Eur. J., 2013, 19, 14254–14262.
[Online Version: DOI: 10.1002/chem.201301511 ]




SiCN Nanofibers with a Diameter Below 100 nm Synthesized via Concerted Block Copolymer Formation, Microphase Separation, and Crosslinking
S. K. T. Pillai, W. P. Kretschmer, C. Denner, G. Motz, M. Hund, A. Fery, M. Trebbin, S. Förster, R. Kempe,
Small, 2013, 9, 984–989.
[Online Version: DOI: 10.1002/smll.201202121 ]




Tailored Nanostructuring of End-Group-Functionalized High-Density Polyethylene Synthesized by an Efficient Catalytic Version of Ziegler’s “Aufbaureaktion”
S. K. T. Pillai, W. P. Kretschmer, M. Trebbin, S. Förster, R. Kempe,
Chem. Eur. J., 2013, 18, 13974–13978.
[Online Version: DOI: 10.1002/chem.201202506 ]









2012


Ni/Pd@MIL-101: Synergistic Catalysis with Cavity-Conform Ni/Pd Nanoparticles
J. Hermannsdörfer, M. Friedrich, N. Miyajima, R. Q. Albuquerque, S. Kümmel, R. Kempe
Angew. Chem. Int. Ed., 2012, 51,11473–11477.
[Online Version: DOI: 10.1002/anie.201205078 ]




f-Element–Metal Bonding and the Use of the Bond Polarity To Build Molecular Intermetalloids
B. Oelkers, M. V. Butovskii, R. Kempe
Chem. Eur. J, 2012, 18(43),13566–13579.
[Online Version: DOI: 10.1002/chem.201200783 ]




Robust Microporous Monoliths with Integrated Catalytically Active Metal Sites Investigated by Hyperpolarized 129Xe NMR
M. Zaheer, C. D. Keenan, J. Hermannsdörfer, E. Roessler, G. Motz, J. Senker, R. Kempe
Chem. Mater., 2012, 24(20), 3952–3963.
[Online Version: DOI: 10.1021/cm302379b ]




Sonochemical Activation of AlNi Hydrogenation Catalyst.
J. Dulle, S. Nemeth, E. V. Skorb, T. Irrgang, J. Senker, R. Kempe, A. Fery, D. V. Andreeva
Adv. Funct. Mater., 2012, 22, 3128 – 3135.
[Online Version: doi: 10.1002/adfm.201200437 ]




Polymer derived non-oxide ceramics modified with late transition metals.
M. Zaheer, G. Motz, T. Schmalz, R. Kempe
Chem. Soc. Rev., 2012, , 41, 5102 – 5116.
[Online Version: doi: 10.1039/C2CS15326B ]



2011


Molecular Lanthanoid–Transition-Metal Cluster through C[BOND]H Bond Activation by Polar Metal–Metal Bonds.
M. V. Butovskii, O. L. Tok, V. Bezugly, F. R. Wagner, R. Kempe
Angew. Chem. Int. Ed., 2011, 50, 7695–7698.
[Online Version: doi: 10.1002/anie.201102363 ]




Formation of cyclo-E42- Units (E4=P4, As4, AsP3) by a Complex with a Cr[BOND]Cr Quintuple Bond.
C. Schwarzmaier, A. Noor, G. Glatz, M. Zabel, A. Y. Timoshkin, B. M. Cossairt, C. C. Cummins, R. Kempe, M. Scheer
Angew. Chem. Int. Ed., 2011, 50, 7283–7286.
[Online Version: doi: 10.1002/anie.201102361 ]




Selective Palladium-Loaded MIL-101 Catalysts.
J. Hermannsdörfer, R. Kempe
Chem.--Eur. J., 2011, 17, 8071–8077.
[Online Version: doi: 10.1002/chem.201101004 ]




Cycloaddition Reactions of a Chromium–Chromium Quintuple Bond.
A. Noor, E. Sobgwi Tamne, S. Qayyum, T. Bauer, R. Kempe
Chem.--Eur. J., 2011, 17, 6900–6903.
[Online Version: doi: 10.1002/chem.201100841 ]




The potassium hydride mediated trimerization of imines.
K. Kutlescha, G. T. Venkanna, R. Kempe
Chem. Commun., 2011, 47, 4183-4185.
[Online Version: doi: 10.1039/C0CC04565A ]




Selective Protonation of the Y[BOND]C Bond in Trinuclear Yttrium Alkyl–Hydrido Clusters and Formation of the Cationic Polyhydrido Core.
D. M. Lyubov, C. Döring, S. Y. Ketkov, R. Kempe, A. A. Trifonov
Chem.--Eur. J., 2011, 17, 3824–3826.
[Online Version: doi: 10.1002/chem.201003616 ]




Highly Enantioselective Amido Iridium Catalysts for the Hydrogenation of Simple Ketones.
T. Irrgang, D. Friedrich, R. Kempe
Angew. Chem., Int. Ed., 2011, 50, 2183–2186.
[Online Version: doi: 10.1002/anie.201004665 ]



2010


New Iridium Catalysts for the Efficient Alkylation of Anilines by Alcohols under Mild Conditions.
S. Michlik, R. Kempe
Chem.--Eur. J., 2010, 16, 13193–13198.
[Online Version: doi: 10.1002/chem.201001871 ]




Molecular [Yb(TM)2] Intermetalloids (TM=Ru, Re).
C. Döring, A.-M. Dietel, M. V. Butovskii, V. Bezugly, F. R. Wagner, R. Kempe
Chem.--Eur. J., 2010, 16, 10679–10683.
[Online Version: doi: 10.1002/chem.201001310 ]




Molecules containing rare-earth atoms solely bonded by transition metals.
M. V. Butovskii, C. Döring, V. Bezugly, F. R. Wagner, Y. Grin, R. Kempe
Nature Chemistry, 2010, 2, 741–744.
[Online Version: doi:10.1038/nchem.718 ]




Copper-Containing SiCN Precursor Ceramics (Cu@SiCN) as Selective Hydrocarbon Oxidation Catalysts Using Air as an Oxidant.
G. Glatz, T. Schmalz, T. Kraus, F. Haarmann, G. Motz, R. Kempe
Chem.--Eur. J., 2010, 16, 4231–4238.
[Online Version: doi: 10.1002/chem.200902836 ]




Catalytic Alkylation of Methyl-N-Heteroaromatics with Alcohols.
B. Blank, R. Kempe
J. Am. Chem. Soc., 2010, 132, 924-925.
[Online Version: DOI: 10.1021/ja9095413 ]







2009


Synthesis of Selectively Mono-N-Arylated Aliphatic Diamines via Iridium-Catalyzed Amine Alkylation.
B. Blank, S. Michlik, R. Kempe
Adv. Synth. Catal., 2009, 351, 2903–2911.
[Online Version: DOI: 10.1002/adsc.200900548 ]




Ultrashort metal–metal distances and extreme bond orders.
F. R. Wagner, A. Noor, R. Kempe
Nature Chemistry, 2009, 1, 529-536.
[Online Version: doi:10.1038/nchem.359 ]




Carboalumination of a chromium–chromium quintuple bond.
A. Noor, G. Glatz, R. Müller, M. Kaupp, S. Demeshko, R. Kempe
Nature Chemistry, 2009, 1, 322 - 325.
[Online Version: doi: 10.1038/nchem.255 ]




Selective iridium-catalyzed alkylation of (hetero)aromatic amines and diamines with alcohols under mild reaction conditions.
B. Blank, S. Michlik, R. Kempe
Chem. Eur. J., 2009, 8, 3790–3799.
[Online Version: doi: 10.1002/chem.200802318 ]







2008


Bismetallocenes: lanthanoid-transition-metal bonds through alkane elimination.
M. V. Butovskiy, O. L. Tok, F. R. Wagner, R. Kempe
Angew. Chem. Int. Ed., 2008, 47, 6469–6472.
[Online Version: doi: 10.1002/anie.200800407 ]




Metal-metal distances at the limit: a coordination compound with an ultrashort chromium-chromium bond.
A. Noor, F. R. Wagner, R. Kempe
Angew. Chem. Int. Ed., 2008, 47, 7246–7249.
[Online Version: doi: 10.1002/anie.200801160 ]




Pt@MOF-177: synthesis, room-temperature hydrogen storage and oxidation catalysis.
S. Proch, J. Herrmannsdoerfer, R. Kempe, C. Kern, A. Jess, L. Seyfarth, J. Senker
Chem. Eur. J, 2008, 14, 8204–8212.
[Online Version: doi: 10.1002/chem.200801043 ]




Stable Bimetallic Gold–Platinum Nanoparticles Immobilized on Spherical Polyelectrolyte Brushes: Synthesis, Characterization, and Application for the Oxidation of Alcohols.
M. Schrinner, S. Proch, Y. Mei, R. Kempe, N. Miyajima, M. Ballauff
Adv. Mat., 2008, 20, 1928–1933.
[Online Version: doi: 10.1002/adma.200702421 ]