Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Christoph Elschenbroich"'
Autor:
and Clemens Pietzonka, Feng Lu, Klaus Harms, Olaf Burghaus, Mathias Nowotny, Christoph Elschenbroich
Publikováno v:
Organometallics. 26:4025-4030
In order to study intermetallic interactions in a tetranuclear complex with tetrahedral disposition of paramagnetic central metal atoms, the organometallic tetraradical [(η7-C7H7)V(η5-C5H4)]4Sn (34•), tetra([5]trovacenyl)tin, was prepared, charac
Autor:
Bernhard Metz, Christoph Elschenbroich, and Bernhard Neumüller, Andreas Behrend, Klaus Harms, Martin Wünsch
Publikováno v:
Organometallics. 24:5509-5517
The trinuclear complexes {(Me 2 P-η 6 -C 6 H 5 )2M}2Ni 7 (M = V), 8 (M = Cr), {(Me 2 P-η 6 -C 6 H 5 ) 2 M} 2 CoH 10" (M = V), 11 (M = Cr), and {(Me 2 P-η 6 -C 6 H 5 )(η 6 -C6H6)M}2Ni(CO)2 14" (M = V) and 15 (M = Cr) have been prepared and charact
Publikováno v:
Organometallics. 23:454-459
The paramagnetic boronic acid (η7-C7H7)V[η5-C5H4B(OH)2] (3•) has been prepared and characterized structurally, emphasis being placed on hydrogen bonding motives present in the crystal. EPR spectroscopy reveals that association of 3• is absent i
[7−7]- versus [5−5]Bitrovacene: How Linkage Isomerism Affects Exchange Coupling and Redox Splitting1
Publikováno v:
Organometallics. 22:3367-3373
Thermal rearrangement of dicycloheptatriene C 1 4 H 1 4 and subsequent reaction with (η 5 -cyclopentadienyl)(tetracarbonyl)vanadium affords [7-7]bitrovacene, μ-η 7 :η 7 -C 1 4 H 1 2 [(η 5 -C 5 H 5 )V] 2 (8 . . ). Sterically induced avoidance of
Autor:
Olav Schiemann, Christoph Elschenbroich, Jürgen Pebler, Olaf Burghaus, Matthias Wolf, Klaus Harms
Publikováno v:
Organometallics. 21:5810-5819
The biradicals 1,8-di([5]trovacenyl)naphthalene (6), 1,5-di([5]trovacenyl)naphthalene (7), and 1,3-di([5]trovacenyl)benzene (8) and the monoradical 1-[5]trovacenylnaphthalene (9) have been prepared and studied by means of single-crystal X-ray diffrac
Autor:
Olav Schiemann, and Dario Braga, Christoph Elschenbroich, Lucia Maini, Fabrizia Grepioni, and Francesca Paganelli
Publikováno v:
Organometallics. 20:1875-1881
The synthesis and structural characterization of the neutral diamagnetic organometallic dicarboxylic acid [Cr0(η6-C6H5COOH)2] (1) is reported. Oxidation of 1 by oxygen leads to formation of the paramagnetic dicarboxylic acid cation [CrI(η6-C6H5COOH
Publikováno v:
Organometallics. 18:3273-3277
Lithiation of trovacene, (η7-C7H7)V(η5-C5H5), Li/I exchange, and Pd(dppf)Cl2-catalyzed homocoupling affords [5-5]bitrovacene 52•. Intermetallic communication manifests itself in typical biradical features of the EPR spectrum and in the resolution
Publikováno v:
Organometallics. 17:4417-4424
The homoleptic complexes hexakis(η1-phosphinine)molybdenum 10 and hexakis(η1-phosphinine)tungsten 11 have been prepared via reduction of suitable metal halides with magnesium or zinc in order to ex...
Autor:
Bernhard Metz, Eckhardt Schmidt, Rolf Gondrum, Olaf Burghaus, Christoph Elschenbroich, Sigrid Wocadlo, Werner Massa
Publikováno v:
Organometallics. 16:4589-4596
Mono- and digerma[n]metallocyclophanes (n = 1, 2) [(η6,η6‘-dimethyldiphenylgermane)M] (M = Cr, 17; V, 18•), [(η6,η6‘-tetraphenylgermane)M] (M = Cr, 20; V, 21•), and [(1,1,2,2-tetramethyl-1,2-di-η6,η6‘-phenyldigermane)Cr] (24) were syn
Autor:
Andreas Behrendt, Saleem Al-Ahmad, Steffen Pilotek, Dhananjay B. Puranik, Arthur J. Ashe, Christoph Elschenbroich
Publikováno v:
Organometallics. 14:2689-2698