Pecak, Jan Fleissner, Sarah Veiros, Luis F. Pittenauer, Ernst Stöger, Berthold Kirchner, Karl
Published in
Organometallics
The synthesis, characterization, and catalytic activity of low-spin {CoNO}8 pincer complexes of the type [Co(PCP)(NO)(H)] are described. These compounds are obtained either by reacting [Co(PCP)(κ2-BH4)] with NO and Et3N or, alternatively, by reacting [Co(PCP)(NO)]+ with boranes, such as NH3·BH3 in solution. The five-coordinate, diamagnetic Co(III) ...
King, Ashley M. Sparkes, Hazel A. Wingad, Richard L. Wass, Duncan F.
Published in
Organometallics
We report a variety of manganese-based catalysts containing both chelating diphosphine (bis(diphenylphosphino)methane (dppm: 1 , 2 , and 7 ) or 1,2-bis(diphenylphosphino)ethane (dppe: 3 )), and mixed-donor phosphinoamine (2-(diphenylphosphino)ethylamine (dppea: 4 – 6 )) ligands for the upgrading of ethanol and methanol to the advanced biofuel isobu...
Kroll, Alexander Steinert, Henning Jörges, Mike Steinke, Tim Mallick, Bert Gessner, Viktoria H.
Published in
Organometallics
The use of the bis(1-piperidinyl)-substituted carbodiphosphorane (Ph2(Pip)P)2C ( 1 ) as an NCN ligand for the stabilization of phosphorus cations was studied. A simple ligand for halide exchange allowed the synthesis and isolation of a series of phosphorus monocations of the type [ 1 -PR2]+ (with R = Cl, Br, I, CyCl, Ph). These cations exhibit char...
Pecak, Jan Eder, Wolfgang Stöger, Berthold Realista, Sara Martinho, Paulo N Calhorda, Maria José Linert, Wolfgang Kirchner, Karl
Published in
Organometallics
The reaction of coordinatively unsaturated Co(II) PCP pincer complexes with nitric oxide leads to the formation of new, air-stable, diamagnetic mono nitrosyl compounds. The synthesis and characterization of five- and four-coordinate Co(III) and Co(I) nitrosyl pincer complexes based on three different ligand scaffolds is described. Passing NO throug...
Wiesner, Tanja Leypold, Mario Steinmaurer, Anja Schnalzer, Dominik Fischer, Roland C. Torvisco, Ana Haas, Michael
Published in
Organometallics
In this contribution a convenient synthetic method to obtain the previously unknown dianionic cyclic silenolates and germenolates is described. These dianions 2a , b and 4a , b are easily accessible via a one-pot synthetic protocol in high yields. Their structural properties were analyzed by a combination of NMR, single-crystal X-ray crystallograph...
Hidalgo, Nereida Moreno, Juan José Pérez-Jiménez, Marina Maya, Celia López-Serrano, Joaquín Campos, Jesús
Published in
Organometallics
Introducing transition metals into frustrated Lewis pair systems has attracted considerable attention in recent years. Here we report a selection of three metal-only frustrated systems based on Au(I)/Pt(0) combinations and their reactivity toward alkynes. We have inspected the activation of acetylene and phenylacetylene. The gold(I) fragments are s...
Smith, Jacob A. Simpson, Spenser R. Westendorff, Karl S. Weatherford-Pratt, Justin Myers, Jeffery T. Wilde, Justin H. Dickie, Diane A. Harman, W. Dean
Published in
Organometallics
Raman, Sumesh K Deacy, Arron C Pena Carrodeguas, Leticia Reis, Natalia V Kerr, Ryan W F Phanopoulos, Andreas Morton, Sebastian Davidson, Matthew G Williams, Charlotte K
Published in
Organometallics
Titanium(IV) complexes of amino-tris(phenolate) ligands (LTiX, X = chloride, isopropoxide) together with bis(triphenylphosphine)iminium chloride (PPNCl) are active catalyst systems for the ring-opening copolymerization of carbon dioxide and cyclohexene oxide. They show moderate activity, with turnover frequency values of ∼60 h-1 (0.02 mol % of cata...
Kyri, Andreas W. Schuh, Lukas Knoechl, Andreas Schalli, Michael Torvisco, Ana Fischer, Roland C. Haas, Michael Stueger, Harald
Published in
Organometallics
Sila-Peterson type reactions of the 1,4,4-tris(trimethylsilyl)-1-metallooctamethylcyclohexasilanes (Me3Si)2Si6Me8(SiMe3)M ( 2a , M = Li; 2b , M = K) with various ketones were investigated. The obtained products strongly depend on the nature of the ketone component. With 2-adamantanone 2a,b afforded the moderately stable silene 3 . 3 is the first ex...
Dakermanji, Steven J. Westendorff, Karl S. Pert, Emmit K. Wilson, Katy B. Myers, Jeffery T. Wilde, Justin H. Dickie, Diane A. Welch, Kevin D. Harman, W. Dean
Published in
Organometallics
A method for the resolution of η 2-alkene-complex isomers of the type MoTp(NO)(DMAP)( η 2-alkene) and WTp(NO)(PMe3)( η 2-alkene) (where Tp = hydridotris(pyrazolyl)-borate and DMAP = 4-(dimethylamino)pyridine) has been explored. Alkene and polyene compounds form as a mixture of kinetically trapped isomers. For both types of complexes, it was found t...