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Photolytic and Reductive Activations of 2‐Arsaethynolate in a Uranium–Triamidoamine Complex: Decarbonylative Arsenic‐Group Transfer Reactions and Trapping of a Highly Bent and Reduced Form

Magnall, Rosie ; Balázs, Gábor ; Lu, Erli ; Kern, Michal ; Slageren, Joris ; Tuna, Floriana ; Wooles, Ashley J. ; Scheer, Manfred ; Liddle, Stephen T.


Little is known about the chemistry of the 2-arsaethynolate anion, but to date it has exclusively undergone fragmentation reactions when reduced. Herein, we report the synthesis of [U(Tren(TIPS))(OCAs)] (2, Tren(TIPS)=N(CH(2)CH(2)NSiiPr(3))(3)), which is the first isolable actinide-2-arsaethynolate linkage. UV-photolysis of 2 results in decarbonylation, but the putative [U(Tren(TIPS))(As)] ...


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