CO2 conversion to isocyanate via multiple N-Si bond cleavage at a bulky uranium(III) complex

Chemical Communications : Chem Comm
Clément CampMarinella Mazzanti

Abstract

The reaction of the sterically saturated uranium(III) tetrasilylamido complex [K(18c6)][U(N(SiMe3)2)4] with CO2 leads to CO2 insertion into the U-N bond affording the stable U(IV) isocyanate complex [K(18c6)][U(N(SiMe3)2)3(NCO)2]n that was crystallographically characterized. DFT studies indicate that the reaction involves the [2+2] cyclo-addition of a double bond of O=CO to the U-N(SiMe3)2 bond and proceeds to the final product through multiple silyl migration steps.

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Citations

Apr 11, 2018·Angewandte Chemie·Daniël L J BroerePatrick L Holland
Jul 16, 2016·Chemical Communications : Chem Comm·Haolin YinEric J Schelter
Aug 16, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Christos E KefalidisLaurent Maron
Jul 30, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Laurence J Taylor, Deborah L Kays
Oct 15, 2019·Chemical Communications : Chem Comm·Luciano BarluzziMarinella Mazzanti
Dec 12, 2019·Chemical Communications : Chem Comm·Leonor MariaJohn K Gibson
Jul 2, 2021·Chemical Science·Luciano BarluzziMarinella Mazzanti
May 29, 2020·Inorganic Chemistry·Michael A BoreenJohn Arnold

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