Search Results - "Randoll, Sören"

Stereospecific Octahedral Group 4 Bis(phenolate) Ether Complexes for Olefin Polymerization by Kiesewetter, Elizabeth T, Randoll, Sören, Radlauer, Madalyn, Waymouth, Robert M

“…Octahedral group 4 bisphenolate ether complexes, activated by methylaluminoxane, are highly active and stereospecific α-olefin polymerization catalysts. X-ray…”
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Imidazolin-2-iminato Complexes of Rare Earth Metals with Very Short Metal−Nitrogen Bonds: Experimental and Theoretical Studies by Panda, Tarun K, Trambitas, Alexandra G, Bannenberg, Thomas, Hrib, Cristian G, Randoll, Sören, Jones, Peter G, Tamm, Matthias

“…The reactions of 1,3-bis(2,6-diisopropylphenyl)imidazolin-2-imine (ImDippNH, 1-H) with trimethylsilylmethyl lithium (LiCH2SiMe3) and anhydrous rare earth metal…”
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Quinine-Derived Imidazolidin-2-imine Ligands: Synthesis, Coordination Chemistry, and Application in Catalytic Transfer Hydrogenation by Filimon, Sabina-Alexandra, Hrib, Cristian G., Randoll, Sören, Neda, Ion, Jones, Peter G., Tamm, Matthias

“…Two new optically active bidentate N,N‐ligands, DMIQCI (3a) and DMIQCD (3b), containing a quinuclidine core and an imidazolidin‐2‐imine unit, were synthesized…”
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Secondary Interactions in Phosphane‐Functionalized Group 4 Cycloheptatrienyl–Cyclopentadienyl Sandwich Complexes by Büschel, Susanne, Jungton, Ann‐Katrin, Bannenberg, Thomas, Randoll, Sören, Hrib, Cristian G., Jones, Peter G., Tamm, Matthias

“…Twice as reactive: The coordination chemistry of phosphane‐functionalized Zr and Hf cycloheptatrienyl–cyclopentadienyl complexes gives rise to unusual…”
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Cooperative Binding of Phosphate Anion and a Neutral Nitrogen Donor to Alkaline-Earth Metal Ions. Investigation of Group 2 Metal−Organophosphate Interaction in the Absence and Presence of 1,10-Phenanthroline by Murugavel, Ramaswamy, Kuppuswamy, Subramaniam, Randoll, Sören

“…Alkaline-earth metal phosphates containing nitrogen-donor ligands have been prepared by the reaction of alkaline-earth metal acetates M(OAc)2·xH2O (M = Mg, Ca,…”
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Synthesis and Reactivity of Silicon- and Germanium-Bridged ansa-Cycloheptatrienyl−Cyclopentadienyl Titanium Complexes by Tamm, Matthias, Kunst, Andreas, Bannenberg, Thomas, Randoll, Sören, Jones, Peter G

“…A new type of ansa-cycloheptatrienyl−cyclopentadienyl complex with germanium as a bridging atom has been synthesized. Using the established route for the…”
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Syntheses and structures of mononuclear lutetium imido complexes with very short Lu-N bonds by Panda, Tarun K, Randoll, Sören, Hrib, Cristian G, Jones, Peter G, Bannenberg, Thomas, Tamm, Matthias

“…The reaction of 1,3-bis(2,6-diisopropylphenyl)imidazolin-2-imine (ImDippNH) with trimethylsilylmethyllithium and anhydrous lutetium trichloride affords the…”
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Synthesis and Reactivity of 16-Electron Cycloheptatrienyl-Molybdenum(0) Complexes with Bis(imidazolin-2-imine) Ligands by Petrovic, Dejan, Hrib, Cristian G, Randoll, Sören, Jones, Peter G, Tamm, Matthias

“…The reaction of the ligands 1,2-bis(1,3-diisopropyl-4,5-dimethylimidazolin-2-imino)ethane (BL iPr) and 1,2-bis(1,3,4,5-tetramethylimidazolin-2-imino)ethane…”
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Structural and theoretical investigation of 2-iminoimidazolines--carbene analogues of iminophosphoranes by Tamm, Matthias, Petrovic, Dejan, Randoll, Sören, Beer, Stephan, Bannenberg, Thomas, Jones, Peter G, Grunenberg, Jörg

“…The preparation of 2-iminoimidazolines - has been accomplished by the Staudinger reaction of the carbenes 1,3-di-tert-butylimidazolin-2-ylidene (),…”
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Chromium Complexes with Me2Si-Bridged Cyclopentadienyl-imidazolin-2-imine Ligands: Synthesis, Structure, and Use in Ethylene Polymerization Catalysis by Randoll, Sören, Jones, Peter G, Tamm, Matthias

“…Imidazolin-2-imino-functionalized tetramethylcyclopentadienes 3-H have been prepared in high yields by the reaction of 2 equiv of…”
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Imidazolin-2-iminato titanium complexes: synthesis, structure and use in ethylene polymerization catalysis by Tamm, Matthias, Randoll, Sören, Herdtweck, Eberhardt, Kleigrewe, Nina, Kehr, Gerald, Erker, Gerhard, Rieger, Bernhard

“…The Staudinger reaction of the imidazolin-2-ylidenes, 1,3-di-tert-butylimidazolin-2-ylidene (1a), 1,3-diisopropylimidazolin-2-ylidene (1b),…”
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Chromium Complexes with Me 2 Si-Bridged Cyclopentadienyl-imidazolin-2-imine Ligands: Synthesis, Structure, and Use in Ethylene Polymerization Catalysis by Randoll, Sören, Jones, Peter G., Tamm, Matthias

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Bis(η-cyclo-hepta-trien-yl)tri-μ-hydrido-dimolybdenum(0,I) by Jones, Peter G, Hrib, Cristian G, Randoll, Sören, Wu, Xian, Tamm, Matthias

“…In the title compound, [Mo(2)(η(7)-C(7)H(7))(2)(μ-H)(3)], which displays crystallographic mirror symmetry, two (η(7)-C(7)H(7))Mo units are linked along the…”
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Adduct formation of [(η 7-C 7H 7)Zr(η 5-C 5H 5)] with phosphines and N-heterocyclic carbenes: An experimental and theoretical study by Baker, Robert J., Bannenberg, Thomas, Kunst, Andreas, Randoll, Sören, Tamm, Matthias

“…The reaction of the sandwich compound [(η 7-C 7H 7)Zr(η 5-C 5H 5)] with the Lewis bases PMe 3 and [:C{N(Me)C(Me)} 2] have been investigated in the solid state…”
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Stereoselective allyl transfer to chiral α-methoxycarbaldehydes: A model study related to the C-9/C-15 fragment of geldanamycin by Horneff, Tony, Herdtweck, Eberhardt, Randoll, Sören, Bach, Thorsten

“…The enantiomerically pure α-methoxycarbaldehyde 3 was prepared from l-leucine in five steps and 31% overall yield. The aldehyde was subjected to a…”
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Stereoselective and regioselective propylene polymerization with group 4 bisphenolate ether complexes by Randoll, Sören, Kiesewetter, Elizabeth T., Waymouth, Robert M.

“…Octahedral group 4 bisphenolate ether complexes, activated by methylaluminoxane, were tested in propylene polymerization in the presence and absence of diethyl…”
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Synthesis and Reactivity of 16-Electron Pentamethylcyclopentadienyl-Ruthenium(II) Complexes with Bis(imidazolin-2-imine) Ligands by Petrovic, Dejan, Glöge, Thomas, Bannenberg, Thomas, Hrib, Cristian G., Randoll, Sören, Jones, Peter G., Tamm, Matthias

“…The 1,2‐bis(imidazolin‐2‐imino)ethane ligands BLMe and BLiPr were prepared, in which the ability of the imidazolium moiety to effectively stabilize a positive…”
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