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Photochemical Synthesis of a Stable Terminal Uranium(VI) Nitride

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posted on 29.10.2020, 17:36 by Luciano Barluzzi, Rosario Scopelliti, Marinella Mazzanti
Terminal uranium nitrides have so far proven impossible to isolate by photolysis of azides. Here we report the second ever example of an isolated terminal uranium­(VI) nitride. We show that the terminal nitride [NBu4]­[U­(OSi­(OtBu)3)4(N)], 3, can be prepared upon photolysis with UV light of the U­(IV) azide analogue. This is achieved by careful tailoring of the azide precursor and of the reaction conditions. Complex 3 is stable under ambient conditions but reacts readily with electrophiles (H+ and CO).

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