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Synthesis of Unprecedented 4d/4f‐Polypnictogens

Reinfandt, Niklas; Schoo, Christoph; Dütsch, Luis; Köppe, Ralf; Konchenko, Sergey N.; Scheer, Manfred; Roesky, Peter W.

Abstract:
A series of 4d/4f‐polyarsenides, ‐polyarsines and ‐polystibines was obtained by reduction of the Mo‐pnictide precursor complexes [{Cp$^{t}$Mo(CO)$_{2}$}$_{2}$(μ,η$^{2:2}$‐E$_{2}$)] (E=As, Sb; Cp$^{t}$=tBu substituted cyclopentadienyl) with two different divalent samarocenes [Cp*$_{2}$Sm] and [(Cp$^{Me4nPr}$)$_{2}$Sm]. For the reductive conversion of the Mo‐stibide only one product was isolated, featuring a planar tetrastibacyclobutadiene moiety as an unprecedented ligand for organometallic compounds. For the corresponding Mo‐arsenide a tetraarsacyclobutadiene and a second species with a side‐on coordinated As$_{2}$$^{2−}$ anion was isolated. The latter can be considered as reaction intermediate for the formation of the tetraarsacyclobutadiene.

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Verlagsausgabe §
DOI: 10.5445/IR/1000130596
Veröffentlicht am 17.03.2021
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Anorganische Chemie (AOC)
Publikationstyp Zeitschriftenaufsatz
Publikationsdatum 24.02.2021
Sprache Englisch
Identifikator ISSN: 0947-6539, 1521-3765
KITopen-ID: 1000130596
Erschienen in Chemistry - a European journal
Verlag Wiley-VCH Verlag
Band 27
Heft 12
Seiten 3974–3978
Vorab online veröffentlicht am 03.10.2020
Nachgewiesen in Scopus
Web of Science
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