Sterically induced reductive linkage of iron polypnictides with bulky lanthanide complexes by ring-opening of THF

Christoph Schoo, Sebastian Bestgen, Monika Schmidt, Sergey N. Konchenko, Manfred Scheer, Peter W. Roesky

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

Reduction of [Cp∗Fe(η5-E5)] (E = P, As) with divalent lanthanide reagents usually leads to reduction of [Cp∗Fe(η5-E5)] followed by a Ln-E bond formation. In contrast, by using the sterically encumbered reagent [(DippForm)2Sm(thf)2] (DippForm = {(2,6-iPr2C6H3)NC(H)N(2,6-iPr2C6H3)}-), ring-opening of thf and reduction of the polypnictide is observed. This leads to two new 3d/4f polyphosphide or polyarsenide complexes [(DippForm)2Sm(Cp∗Fe)E5{(CH2)4O}{(DippForm)2Sm(thf)}], in which [(DippForm)2Sm(thf)2] and [Cp∗Fe(η5-E5)] are linked by a ring-opened thf molecule and no Ln-E bond formation is observed.

Original languageEnglish
Pages (from-to)13217-13220
Number of pages4
JournalChemical Communications
Volume52
Issue number90
DOIs
Publication statusPublished - 2016

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