Search Results - "Schwarz, Andrew D."
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Enabling and Probing Oxidative Addition and Reductive Elimination at a Group 14 Metal Center: Cleavage and Functionalization of E–H Bonds by a Bis(boryl)stannylene
Published in Journal of the American Chemical Society (06-04-2016)“…By employing strongly σ-donating boryl ancillary ligands, the oxidative addition of H2 to a single site SnII system has been achieved for the first time,…”
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2
A Generic One-Pot Route to Acyclic Two-Coordinate Silylenes from Silicon(IV) Precursors: Synthesis and Structural Characterization of a Silylsilylene
Published in Angewandte Chemie International Edition (07-01-2013)“…Si in sight: A one‐pot, single‐step synthesis of an acyclic silylsilylene, Si{Si(SiMe3)3}{N(SiMe3)Dipp} (Dipp=2,6‐iPr2C6H3), from a silicon(IV) starting…”
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3
Reactivity of Boryl- and Silyl-Substituted Carbenoids toward Alkynes: Insertion and Cycloaddition Chemistry
Published in Organometallics (08-06-2015)“…Three modes of reactivity of phenyl-substituted alkynes toward acyclic tetrelenes are reported, with reaction pathways found to be dependent not only on the…”
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Ring-Opening Polymerization of rac-Lactide by Bis(phenolate)amine-Supported Samarium Borohydride Complexes: An Experimental and DFT Study
Published in Organometallics (23-08-2010)“…The synthesis and ring-opening polymerization (ROP) capability of bis(phenolate)amine-supported samarium borohydride and amide complexes are reported, together…”
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5
Potassium, zinc, and magnesium complexes of a bulky OOO-tridentate bis(phenolate) ligand: synthesis, structures, and studies of cyclic ester polymerisation
Published in Dalton transactions : an international journal of inorganic chemistry (07-07-2013)“…Reaction of the OOO-coordinating tridentate bis(phenolate) protio-ligand 2,2'-{oxybis(methylene)}bis{4,6-di(1-methyl-1-phenylethyl)phenol} (L(O3)-H2), with 1…”
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6
Ligand Variations in New Sulfonamide-Supported Group 4 Ring-Opening Polymerization Catalysts
Published in Organometallics (27-09-2010)“…The synthesis, structures, and ring-opening polymerization (ROP) capability of a wide range of sulfonamide-supported group 4 amide, alkyl, and alkoxide…”
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A Remarkable Switch from a Diamination to a Hydrohydrazination Catalyst and Observation of an Unprecedented Catalyst Resting State
Published in Angewandte Chemie International Edition (03-12-2012)“…A small change with a big effect: Reaction of the titanium complex 1 with terminal alkynes gave the unusual acetylide–vinylhydrazide(1−) compounds 2 (R=4‐C6H4X…”
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8
Oxidative Bond Formation and Reductive Bond Cleavage at Main Group Metal Centers: Reactivity of Five-Valence-Electron MX2 Radicals
Published in Journal of the American Chemical Society (06-08-2014)“…Monomeric five-valence-electron bis(boryl) complexes of gallium, indium, and thallium undergo oxidative M–C bond formation with 2,3-dimethylbutadiene, in a…”
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Synthesis and Reactivity of Titanium Hydrazido Complexes Supported by Diamido-Ether Ligands
Published in Organometallics (24-05-2013)“…The synthesis and reactivity of titanium diphenyl hydrazido(2−) complexes supported by the diamido-ether ligands O(2-C6H4NSiMe3)2 (N2 ArO) and O(CH2CH2NSiMe3)2…”
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Synthesis, Structures and Reactivity of Group 4 Hydrazido Complexes Supported by Calix[4]arene Ligands
Published in Inorganic chemistry (15-12-2008)“…Reaction of TiCl2(Me2Calix) with 2 equiv of LiNHNRR′ afforded the corresponding terminal hydrazido(2-) complexes Ti(NNRR′)(Me2Calix) (R = Ph, R′ = Ph (1) or…”
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New Sandwich and Half-Sandwich Titanium Hydrazido Compounds
Published in Organometallics (25-04-2011)“…New mono- and bis-cyclopentadienyl terminal titanium hydrazido(2−) compounds were prepared by tert-butyl imide/N,N-disubstituted hydrazine exchange reactions…”
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12
A Stable Two-Coordinate Acyclic Silylene
Published in Journal of the American Chemical Society (18-04-2012)“…Simple two-coordinate acyclic silylenes, SiR2, have hitherto been identified only as transient intermediates or thermally labile species. By making use of the…”
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Sulfonamide-Supported Aluminum Catalysts for the Ring-Opening Polymerization of rac-Lactide
Published in Organometallics (08-03-2010)“…The synthesis, structures, and ring-opening polymerization (ROP) capability of a wide range of sulfonamide-supported aluminum alkyl and alkoxide complexes are…”
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14
A Reflection on Sustainable Anode Materials for Electrochemical Chloride Oxidation
Published in Advanced materials (Weinheim) (01-10-2023)“…Chloride oxidation is a key industrial electrochemical process in chlorine-based chemical production and water treatment. Over the past few decades,…”
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Sulfonamide-Supported Group 4 Catalysts for the Ring-Opening Polymerization of ε-Caprolactone and rac-Lactide
Published in Inorganic chemistry (02-11-2009)“…Reaction of RCH2N(CH2CH2NHSO2Tol)2 (R = 2-NC5H4 (8, H2Lpy) or MeOCH2 (9, H2LOMe)) with Ti(NMe2)4 at room temperature afforded Ti(Lpy)(NMe2)2 (10) or…”
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Dicationic and zwitterionic catalysts for the amine-initiated, immortal ring-opening polymerisation of rac-lactide: facile synthesis of amine-terminated, highly heterotactic PLA
Published in Chemical communications (Cambridge, England) (01-01-2010)“…Dicationic, zwitterionic and "conventional" yttrium compounds act as catalysts for the primary or secondary amine-initiated immortal ROP of rac-lactide;…”
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17
Surface forces and friction between Langmuir-Blodgett polymer layers in a nonpolar solvent
Published in Journal of colloid and interface science (01-01-2024)“…[Display omitted] Optimization of boundary lubrication by tuning the confined molecular structures formed by surface-active additives such as surfactants and…”
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Electronic Delocalization in Two and Three Dimensions: Differential Aggregation in Indium “Metalloid” Clusters
Published in Angewandte Chemie International Edition (20-11-2017)“…Reduction of indium boryl precursors to give two‐ and three‐dimensional M−M bonded networks is influenced by the choice of supporting ligand. While the…”
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19
Stable GaX2, InX2 and TlX2 radicals
Published in Nature chemistry (01-04-2014)“…The chemistry of the Group 13 metals is dominated by the +1 and +3 oxidation states, and simple monomeric M (II) species are typically short-lived, highly…”
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Group 3 and Lanthanide Boryl Compounds: Syntheses, Structures, and Bonding Analyses of Sc−B, Y−B, and Lu−B σ-Coordinated NHC Analogues
Published in Journal of the American Chemical Society (23-03-2011)“…Reaction of [Ln(CH2SiMe3)2(THF) n ][BPh4] (Ln = Sc, Y, Lu ; n = 3, 4) with Li{B(NArCH)2}(THF)2 (Ar = 2,6-C6H3 iPr2) formed the first group 3 and lanthanide…”
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