1
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Krahfuss MJ, Radius U. N
‐Heterocyclic Silylene Main Group Element Chemistry: Adduct Formation, Insertion into E−X Bonds and Cyclization of Organoazides. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000942] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Mirjam J. Krahfuss
- Institut für Anorganische Chemie Julius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Udo Radius
- Institut für Anorganische Chemie Julius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Germany
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2
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Chen X, Gamer MT, Roesky PW. Synthesis and structural characterization of alkali metal arsinoamides. Dalton Trans 2018; 47:12521-12525. [PMID: 29260818 DOI: 10.1039/c7dt04401a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The aminoarsane Mes2AsN(H)Ph was prepared from Mes2AsCl and aniline in good yields. Deprotonation of Mes2AsN(H)Ph with suitable alkali metal bases resulted in the corresponding alkali metal derivatives. Thus, reaction of Mes2AsN(H)Ph with nBuLi, NaN(SiMe3)2, or KH gave the metal complexes [(Mes2AsNPh){Li(OEt2)2}], [(Mes2AsNPh){Na(OEt2)}]2, and [(Mes2AsNPh){K(THF)}]2. These are the first metal complexes ligated by an arsinoamide. All solid-state structures were established by single crystal X-ray diffraction. The lithium compounds form a monomer in the solid-state, whereas the sodium and the potassium derivatives are dimers. In the dimeric compounds intra- and intermolecular π-interaction of the aromatic rings with the metal atoms is observed.
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Affiliation(s)
- Xiao Chen
- Institut für Anorganische Chemie, Karlsruher Institut für Technologie (KIT), Engesserstr. 15, Geb. 30.45, 76131 Karlsruhe, Germany.
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3
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Bresien J, Hering-Junghans C, Schulz A, Thomas M, Villinger A. Reactivity of TerN(SiMe3)BiCl2—Synthesis of an Aminobismuthenium Cation and TerN(SiMe3)Bi(N3)2. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00318] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jonas Bresien
- Abteilung Anorganische Chemie, Institut für Chemie, Universität Rostock, Albert-Einstein-Str. 3a, 18059 Rostock, Germany
| | - Christian Hering-Junghans
- Abteilung Anorganische Chemie, Institut für Chemie, Universität Rostock, Albert-Einstein-Str. 3a, 18059 Rostock, Germany
| | - Axel Schulz
- Abteilung Anorganische Chemie, Institut für Chemie, Universität Rostock, Albert-Einstein-Str. 3a, 18059 Rostock, Germany
- Materialdesign, Leibniz-Institut für Katalyse an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Max Thomas
- Abteilung Anorganische Chemie, Institut für Chemie, Universität Rostock, Albert-Einstein-Str. 3a, 18059 Rostock, Germany
| | - Alexander Villinger
- Abteilung Anorganische Chemie, Institut für Chemie, Universität Rostock, Albert-Einstein-Str. 3a, 18059 Rostock, Germany
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4
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Abstract
The development of extremely sterically demanding, monodentate amide ligands facilitates the isolation of main group species with new and highly reactive coordination modes. An outstanding feature of these ligands is the ability to tune their steric demands. Reactivity investigations highlight the potential for small molecule activation chemistry and catalysis for these compounds.
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5
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Xiao X, Hao X, Bai J, Chao J, Cao W, Chen X. Synthesis, mechanism and ethylene polymerization catalysis of Ge( iv), Sn( ii) and Zr( iv) complexes derived from substituted β-diketiminates. RSC Adv 2016. [DOI: 10.1039/c6ra11097e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Unusual X-ray characterized crystalline Sn(ii), Ge(iv) and Zr(iv) complexes have been prepared via a salt metathesis and elimination reaction.
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Affiliation(s)
- Xia Xiao
- School of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan
- China
| | - Xiaomin Hao
- School of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan
- China
| | - Jianliang Bai
- School of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan
- China
| | - Jianbin Chao
- Scientific Instrument Center
- Shanxi University
- Taiyuan
- China
| | - Wei Cao
- Scientific Instrument Center
- Shanxi University
- Taiyuan
- China
| | - Xia Chen
- School of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan
- China
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6
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Coles MP. The role of the bis-trimethylsilylamido ligand, [N{SiMe3}2]−, in main group chemistry. Part 2: Structural chemistry of the metallic p-block elements. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2015.01.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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7
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Hering-Junghans C, Thomas M, Villinger A, Schulz A. Synthesis of elusive chloropnictenium ions. Chemistry 2015; 21:6713-7. [PMID: 25782605 DOI: 10.1002/chem.201500395] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Indexed: 11/07/2022]
Abstract
This work describes the synthesis and full characterization of elusive chloropnictenium ion salts of the type [(R)Ar*N(SiMe)ECl][A] ((R)Ar* = 2,6-(CHPh2)-4-R-C6H2, R = Me, tBu; E = Sb, Bi; A(-) = GaCl4, Al(OCH(CF3)2)4). In these species the cation is significantly stabilized by weak arene interactions to flanking phenyl groups of the (R)Ar* moiety. In this context the bonding situation has been studied by computational means and the reactivity towards the Lewis base 4-dimethylaminopyridine (dmap) was investigated.
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Affiliation(s)
- Christian Hering-Junghans
- Institut für Chemie, Universität Rostock, Albert-Einstein-Straße 3a, 18059 Rostock (Germany) www.schulz.chemie.uni-rostock.de
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8
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Boyde NC, Chmely SC, Hanusa TP, Rheingold AL, Brennessel WW. Structural Distortions in M[E(SiMe3)2]3 Complexes (M = Group 15, f-Element; E = N, CH): Is Three a Crowd? Inorg Chem 2014; 53:9703-14. [DOI: 10.1021/ic501232z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nicholas C. Boyde
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Stephen C. Chmely
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Timothy P. Hanusa
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Arnold L. Rheingold
- University of California, San Diego, La Jolla, California 92093, United States
| | - William W. Brennessel
- X-ray Crystallographic Facility, Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
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9
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Reiß F, Schulz A, Villinger A. Synthesis, Structure, and Reactivity of Diazene Adducts: Isolation ofiso-Diazene Stabilized as a Borane Adduct. Chemistry 2014; 20:11800-11. [DOI: 10.1002/chem.201402921] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Indexed: 11/11/2022]
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10
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Hering C, Hertrich M, Schulz A, Villinger A. Azidophosphenium cations: versatile reagents in inorganic synthesis. Inorg Chem 2014; 53:3880-92. [PMID: 24649853 DOI: 10.1021/ic500332s] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
This work describes the synthesis and characterization of a series of iminophosphorane-substituted phosphenium cations of the type [R2NPNP(Cl)2NPNR'2][GaCl4] [R = iPr; R' = iPr (7[GaCl4]), SiMe3 (8)], which are directly derived from azidophosphenium salt [iPrNPN3][GaCl4] (2iPr[GaCl4]) and the corresponding chlorophosphane R2NPCl2. The reactivity of 7[GaCl4] toward 2,3-dimethylbutadiene (dmb) and 2,2'-bipyridine (bipy) was investigated, resulting in the formation of 7-dmb[GaCl4] and 7-Cl. In addition, self-condensation of [(Me3Si)2NPN3][GaCl4] (2SiMe3[GaCl4]) was studied in detail, and [(Me3Si)2NPNP(XY)N(SiMe3)2][GaCl4] [X = Cl; Y = Cl (13), N3 (14)] were determined as products on the basis of (31)P NMR spectroscopy. The reaction of 2SiMe3[GaCl4] with [(Me3Si)2NPCl][GaCl4] (1SiMe3[GaCl4]) yielded an unprecedented bicyclic 1,3,2λ(3),4λ(5)-diazadiphosphetidine (15), which was formed via a GaCl3-assisted Me3SiCl elimination starting from 13. Furthermore, cations of the type [R2NPNPR'3][GaCl4] [R = iPr; R' = cHex (19)] were obtained by the effective combination of 2R[GaCl4] (R = iPr, SiMe3) with PR'3 (R' = Ph, cHex). Azidochlorophosphanes R2NP(N3)Cl [R = iPr, SiMe3 (20R)] are shown to be accessible when 2R[GaCl4] was combined with bipy. All new compounds were fully characterized by means of X-ray, vibrational spectroscopy, CHN analysis, and NMR experiments. All compounds were further investigated by means of density functional theory, and the bonding situation was accessed by natural bond orbital analysis.
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Affiliation(s)
- Christian Hering
- Institut für Chemie, Abteilung Anorganische Chemie, Universität Rostock , Albert-Einstein-Strasse 3a, 18059 Rostock, Germany
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11
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He G, Shynkaruk O, Lui MW, Rivard E. Small Inorganic Rings in the 21st Century: From Fleeting Intermediates to Novel Isolable Entities. Chem Rev 2014; 114:7815-80. [DOI: 10.1021/cr400547x] [Citation(s) in RCA: 156] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Gang He
- Department of Chemistry, University of Alberta, 11227 Saskatchewan
Drive, Edmonton, Alberta, Canada T6G 2G2
| | - Olena Shynkaruk
- Department of Chemistry, University of Alberta, 11227 Saskatchewan
Drive, Edmonton, Alberta, Canada T6G 2G2
| | - Melanie W. Lui
- Department of Chemistry, University of Alberta, 11227 Saskatchewan
Drive, Edmonton, Alberta, Canada T6G 2G2
| | - Eric Rivard
- Department of Chemistry, University of Alberta, 11227 Saskatchewan
Drive, Edmonton, Alberta, Canada T6G 2G2
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12
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Hering C, Rothe J, Schulz A, Villinger A. Structure and bonding of novel acyclic bisaminoarsenium cations. Inorg Chem 2013; 52:7781-90. [PMID: 23773087 DOI: 10.1021/ic4010104] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The synthesis and characterization of a salt bearing a labile bisaminoarsenium cation of the type {[(Me3Si)2N]2As}(+) (9a) are described, which was obtained in the reaction of the chloroarsane [(Me3Si)2N]2AsCl (8) with GaCl3. Reacting 8 with AgOTf did not yield an arsenium salt, but the cyclo-diarsadiazane [(Me3Si)2NAs-μ-NSiMe3]2 (11) was obtained in excellent yields. Moreover, the reactivity of the analogous antimony species [(Me3Si)2N]2SbCl (12) was studied. In the reaction with GaCl3, the aminochlorostibenium salt [(Me3Si)2NSbCl](+)[(Me3Si)2N(GaCl3)2](-) (5) was isolated. In the reaction with AgOTf, substitution of the chlorine in 12 resulted in the formation of [(Me3Si)2N]2SbOTf (13), a compound with significant stibenium character. All new compounds have been fully characterized by means of X-ray, vibrational spectroscopy, CHN analysis, and NMR experiments. All compounds were further investigated by means of density functional theory and the bonding situation was accessed by natural bond orbital (NBO) analysis.
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Affiliation(s)
- Christian Hering
- Abteilung Anorganische Chemie, Institut für Chemie, Universität Rostock, Albert-Einstein-Strasse 3a, 18059 Rostock, Germany
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13
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Hering C, Schulz A, Villinger A. On the synthesis and reactivity of highly labile pseudohalogen phosphenium ions. Inorg Chem 2013; 52:5214-25. [PMID: 23614881 DOI: 10.1021/ic4001285] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The synthesis and characterization of salts bearing highly labile pseudohalogen-substituted aminophosphenium cations of the type [(Me3Si)2NPX][GaCl4] (X = NCO, NCS, O(SiMe3)) and their respective reactivity toward Lewis bases (4-dimethylaminopyridine, dmap) and dienes (2,3-dimethyl-1,3-butadiene, dmb; 1,3-cyclo-hexadiene, chd) are described. As π-acidic species, aminophosphenium cations react with dmap at low temperatures to yield adduct salts of the type [(Me3Si)2NP(dmap)X][GaCl4] (X = Cl, N3, NCO) which were fully characterized. In the reaction with dienes at -50 °C, salts bearing phospholenium cations were obtained that could be structurally characterized. The crystal structures of novel 7-phosphanorbornenium cations of the type [(Me3Si)2NP(C6H8)X][GaCl4] (X = Cl, N3, NCO) are reported. All compounds were further investigated by means of density functional theory, and the bonding situation was accessed by Natural Bond Orbital (NBO) analysis.
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Affiliation(s)
- Christian Hering
- Institut für Chemie, Abteilung Anorganische Chemie, Universität Rostock, Albert-Einstein-Strasse 3a, 18059 Rostock, Germany
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14
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Hering C, Lehmann M, Schulz A, Villinger A. Chlorine/Methyl Exchange Reactions in Silylated Aminostibanes: A New Route To Stibinostibonium Cations. Inorg Chem 2012; 51:8212-24. [DOI: 10.1021/ic300770b] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Christian Hering
- Universität Rostock Institut für Chemie, Albert-Einstein-Str.
3a, 18059 Rostock
| | - Mathias Lehmann
- Universität Rostock Institut für Chemie, Albert-Einstein-Str.
3a, 18059 Rostock
| | - Axel Schulz
- Universität Rostock Institut für Chemie, Albert-Einstein-Str.
3a, 18059 Rostock
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Alexander Villinger
- Universität Rostock Institut für Chemie, Albert-Einstein-Str.
3a, 18059 Rostock
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15
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Lehmann M, Schulz A, Villinger A. Syntheses, Structure, and Reactivity of Amino(azido)stibanes. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201101107] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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16
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Brazeau AL, Jones ND, Ragogna PJ. Chemistry of the heavy group 15 elements with the pyridyl tethered 1,2-bis(imino)acenaphthene “clamshell” ligand. Dalton Trans 2012; 41:7890-6. [PMID: 22434008 DOI: 10.1039/c2dt30171g] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Allison L Brazeau
- Department of Chemistry, The University of Western Ontario, 1151 Richmond St., London, ON N6A 5B7, Canada
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17
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Lehmann M, Schulz A, Villinger A. An Unusual Isomerization to Tetraazastiboles. Angew Chem Int Ed Engl 2011; 50:5221-4. [DOI: 10.1002/anie.201100663] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2011] [Indexed: 11/11/2022]
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18
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Lehmann M, Schulz A, Villinger A. Eine ungewöhnliche Isomerisierung zu Tetraazastibolen. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201100663] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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19
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Brazeau AL, Nikouline AS, Ragogna PJ. A base-stabilised arsenic(III) dication. Chem Commun (Camb) 2011; 47:4817-9. [PMID: 21423958 DOI: 10.1039/c1cc10949a] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A bulky guanidinate ligand has been utilized in supporting a dichloroarsine, which is an excellent precursor to an arsenium cation and a 2,2'-bipyridine base stabilised arsetidinium dication.
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Affiliation(s)
- Allison L Brazeau
- Department of Chemistry, The University of Western Ontario, 1151 Richmond St., London, ON N6A 5B7, Canada
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20
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Lehmann M, Schulz A, Villinger A. Synthesis and Characterization of 1,3‐Dihalogeno‐2,4‐bis(2,4,6‐tri‐
tert
‐butylphenyl)‐
cyclo
‐1,3‐distiba‐2,4‐diazanes, [X–Sb(μ‐NR)]
2
(X = F, Cl, Br, and I). Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.201000885] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mathias Lehmann
- Universität Rostock, Institut für Chemie, Abteilung Anorganische Chemie, Albert‐Einstein‐Strasse 3a, 18059 Rostock, Germany
| | - Axel Schulz
- Universität Rostock, Institut für Chemie, Abteilung Anorganische Chemie, Albert‐Einstein‐Strasse 3a, 18059 Rostock, Germany
- Leibniz‐Institut für Katalyse e.V. an der Universität Rostock, Albert‐Einstein‐Strasse 29a, 18059 Rostock, Germany
| | - Alexander Villinger
- Universität Rostock, Institut für Chemie, Abteilung Anorganische Chemie, Albert‐Einstein‐Strasse 3a, 18059 Rostock, Germany
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