455 research outputs found

    Hazards of being a male breadwinner: deadbeat dads in the United States of the 1980s

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    This article explores the "deadbeat dad" - fathers short on child support payments - as a contemporary figure originating in the Reagan era. It questions risks that were morally redirected in the 1980s, addressed towards particular groups of fathers and their relatives. After setting the question in relation to contemporary masculinity studies, the author brings "deadbeat dads" in line with the history of indebtedness and default. By scrutinizing how the claim to secure single mothers’ alimony was integrated into a neoconservative project and the state's retreat from welfare in the United States, the paper analyses TV newscasts displaying the prosecution of delinquent fathers publicly. Adopting a discourse-analytical perspective, the author sketches out how the figure of the male breadwinner resonated in claims for economic and biological responsibility that were revived in the Reagan years. Exemplified by the context of the current case of Walter Scott, the contemporary history of child support debtors demonstrates how black fathers do not only face a higher risk of becoming victims of police violence, but also how ascribing default to African American fathers tied irresponsibility to black masculinity

    MĂ€nnlichkeit zwischen GefĂŒhl und Revolution: Stefanie Pilzweger ĂŒber die Emotionsgeschichte der bundesdeutschen 68er-Bewegung

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    Stefanie Pilzweger: MĂ€nnlichkeit zwischen GefĂŒhl und Revolution: Eine Emotionsgeschichte der bundesdeutschen 68er-Bewegung. Bielefeld: transcript 2015. 978383763378

    Europol 3.0: Blackbox oder „viel hilft viel“?: Schwerpunkt JuWissDay 2017

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    Die Forderungen nach einer effektive(re)n (parlamentarischen) Kontrolle Europols bestehen seit Jahrzehnten. Dass die aktuellsten diesbezĂŒglichen Umstrukturierungen einen „Great Leap Forward“ darstellen, wurde schon wĂ€hrend der Erarbeitung des am 01. Mai 2017 in Kraft getretenen neuen Rechtsrahmens Europols mit guten GrĂŒnden bezweifelt. Doch ist es wirklich so schlecht um die (demokratischen) Kontrollmöglichkeiten der „Blackbox“ Europol bestellt, dass fĂŒr manche gar immer noch ein Grund zum FĂŒrchten bestehen könnte

    Quo Vadis CO2_2 Activation: Catalytic Reduction of CO2_2 to Methanol Using Aluminum and Gallium/Carbon‐based Ambiphiles

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    We report on so-called “hidden FLPs” (FLP: frustrated Lewis pair) consisting of a phosphorus ylide featuring a group 13 fragment in the ortho position of a phenyl ring scaffold to form five-membered ring structures. Although the formation of the Lewis acid/base adducts was observed in the solid state, most of the title compounds readily react with carbon dioxide to provide stable insertion products. Strikingly, 0.3–3.0 mol% of the reported aluminum and gallium/carbon-based ambiphiles catalyze the reduction of CO2_2 to methanol with satisfactory high selectivity and yields using pinacol borane as stoichiometric reduction equivalent. Comprehensive computational studies provided valuable mechanistic insights and shed more light on activity differences

    A neutral, acyclic, borataalkene-like ligand for group 11 metals: L- and Z-type ligands side by side

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    The overall neutral α-borylated phosphorus ylide Ph3_{3}PC(Me)BEt2_{2} behaves like a polar borataalkene and can act as acyclic, ambiphilic π-type ligand with L- and Z-type functionalities side by side. In the complexes [MX{η2^{2}-Ph3_{3}PC(Me)BEt2_{2}}] (M = Cu, (Ag), Au; X = Cl, NTf2_{2}), the bonding is dominated by the highly nucleophilic ylidic carbon atom (L-type ligand). The Lewis acidic boron atom furnishes nonetheless a small but significant bonding contribution (Z-type ligand)

    NON‐Ligated N‐Heterocyclic Tetrylenes

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    We report on the synthesis of N-heterocyclic tetrylenes ligated by the NON-donor framework 4,5-bis(2,6-diisopropylphenyl-amino)-2,7-di-tert-butyl-9,9-dimethylxanthene. The molecular structures of the germylene (3), stannylene (4) and plumbylene (5) where determined by X-ray diffraction studies. Furthermore, we present quantum chemical studies on the sigma-donor and pi-acceptor properties of 3-5. Additionally, we report on the reactivity of the tetrylenes towards the transition metal carbonyls [Rh(CO)(2)Cl](2), [W(CO)(6)] and [Ni(CO)(4)]. The isolated complexes (6 and 7) show the differing reactivity of NHTs compared to NHCs. Instead of just forming the anticipated complex [(NON)Sn-Rh(CO)(2)Cl], 4 inserts into the Rh-Cl bond to afford [(NON)Sn(Cl)Rh(CO)(C6H6)] (6, additional CO/C6H6 exchange) and [(NON)Sn(Cl)Rh-2(CO)(4)Cl] (7). By avoiding halogenated transition metal precursors in order to prevent insertion reactions, germylene 3 shows "classical" coordination chemistry towards {Ni(CO)(3)} forming the complex [(NON)Ge-Ni(CO)(3)] (8)

    Heterobimetallic Gold/Ruthenium Complexes Synthesized via Post‐functionalization and Applied in Dual Photoredox Gold Catalysis

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    The synthesis of heterobimetallic AuI/RuII complexes of the general formula syn- and anti-[{AuCl}(L1∩L2){Ru(bpy)2_{2}}][PF6_{6}]2_{2} is reported. The ditopic bridging ligand L1∩L2 refers to a P,N hybrid ligand composed of phosphine and bipyridine substructures, which was obtained via a post-functionalization strategy based on Diels-Alder reaction between a phosphole and a maleimide moiety. It was found that the stereochemistry at the phosphorus atom of the resulting 7-phosphanorbornene backbone can be controlled by executing the metal coordination and the cycloaddition reaction in a different order. All precursors, as well as the mono- and multimetallic complexes, were isolated and fully characterized by various spectroscopic methods such as NMR, IR, and UV-vis spectroscopy as well as cyclic voltammetry. Photophysical measurements show efficient phosphorescence for the investigated monometallic complex anti-[(L1∩L2){Ru(bpy)2_{2}}][PF6_{6}]2_{2} and the bimetallic analogue syn-[{AuCl}(L1∩L2){Ru(bpy)2_{2}}][PF6_{6}]2_{2}, thus indicating a small influence of the {AuCl} fragment on the photoluminescence properties. The heterobimetallic AuI^{I}/RuII^{II} complexes syn- and anti-[{AuCl}(L1∩L2){Ru(bpy)2_{2}}][PF6_{6}]2_{2} are both active catalysts in the P-arylation of aryldiazonium salts promoted by visible light with H-phosphonate affording arylphosphonates in yields of up to 91 %. Both dinuclear complexes outperform their monometallic counterparts
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