Insertion of Phosphenium Ions into a Bicyclo[1.1.0]Tetraphosphabutane Iron Complex

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2021 Jul 2

PMID 34206902

Citations 2

Authors

Martin Weber

Gabor Balazs

Alexander V Virovets

Eugenia Peresypkina

Manfred Scheer

Affiliations

Soon will be listed here.

Abstract

By reacting [{Cp‴Fe(CO)}(µ,η-P)] () with in situ generated phosphenium ions [PhP][A] ([A] = [OTf] = [OSCF], [PF]), a mixture of two main products of the composition [{Cp‴Fe(CO)}(µ,η-P(CH))][PF] ( and ) could be identified by extensive P NMR spectroscopic studies at 193 K. Compound was also characterized by X-ray diffraction analysis, showing the rarely observed bicyclo[2.1.0]pentaphosphapentane unit. At room temperature, the novel compound [{Cp‴Fe}(µ,η-PPh){Cp‴(CO)Fe}][PF] () is formed by decarbonylation. Reacting with in situ generated diphenyl arsenium ions gives short-lived intermediates at 193 K which disproportionate at room temperature into tetraphenyldiarsine and [{Cp‴Fe(CO)}(µ,η-P)][OTf] () containing a tetracyclo[3.3.0.0.0]octaphosphaoctane ligand.

Citing Articles

Functionalization of Tetraphosphido Ligands by Heterocumulenes.

Hauer S, Balazs G, Gliese F, Meurer F, Downie T, Hennig C Inorg Chem. 2024; 63(43):20141-20152.

PMID: 38819111 PMC: 11523228. DOI: 10.1021/acs.inorgchem.4c00808.

Gradual Donor Stabilization of a Transient Ferrocene Bridged Bisphosphanyl Phosphenium Cation.

Franz R, Szathmari B, Bruhn C, Kelemen Z, Pietschnig R Inorg Chem. 2023; 62(10):4341-4350.

PMID: 36827512 PMC: 10015459. DOI: 10.1021/acs.inorgchem.3c00100.

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