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Wichtige Termine im Wintersemester 2022/23
  • Beginn der Vorlesungszeit: 10.10.2022
  • Ende der Vorlesungszeit: 03.02.2023
  • Die Vorlesungen fallen aus:
    24.12.2022 - 07.01.2023
  • Dies academicus: 07.12.2022
  • Feiertage: -
Bonn International Graduate School of Chemistry

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Vorsitzende: Prof. Dr. C. Lu
Jungchemikerforum Bonn

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Sie sind hier: Startseite Veranstaltungen Dr. Francis Lam (Universität Bonn): Catalytic Dinitrogen Conversion to Secondary Silylamines by Metallacyclic f-block Complexes

Termin: 15.12.2022 Uhrzeit: 17:15 - 19:00 ( Donnerstag )

Dr. Francis Lam (Universität Bonn): Catalytic Dinitrogen Conversion to Secondary Silylamines by Metallacyclic f-block Complexes

AC Kolloquium
Referent/in: Dr. Francis Lam
Inhalt:

Dinitrogen (N2) complexes of the f-block metals are still very rare. A series of metallacyclic bis-lanthanide and bis-actinide complexes, supported by tetraphenolate ligands, that can catalytically functionalise N2 will be presented. We show that these complexes can catalyze the selective formation of HN(SiMe3)2 and N(SiMe3)3 from N2 In particular, a bis-uranium(IV) hydrazido complex, formed by the formal four-electron reduction of N2 and concomitant deprotonation of ligand benzylic C–H, generating a bridging [N2H2]2- unit, has been isolated. These are the first f-block catalysts for the reductive functionalisation of N2, and the only catalysts for the selective homogeneous conversion of N2 into secondary silylamines.

Öffentliche Veranstaltung: Ja
Ort: Chemische Institute
Adresse: Gerhard-Domagk-Str. 1
Raum: HS 2
Veranstalter: Institut für Anorganische Chemie
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