The Bis(ferrocenyl)phosphenium Ion Revisited

Overview

Journal Angew Chem Int Ed Engl

Specialty Chemistry

Date 2019 Nov 22

PMID 31751492

Citations 4

Authors

Marian Olaru

Alexandra Mischin

Lorraine A Malaspina

Stefan Mebs

Jens Beckmann

Affiliations

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Abstract

The bis(ferrocenyl)phosphenium ion, [Fc P] , reported by Cowley et al. (J. Am. Chem. Soc. 1981, 103, 714-715), was the only claimed donor-free divalent phosphenium ion. Our examination of the molecular and electronic structure reveals that [Fc P] possesses significant intramolecular Fe⋅⋅⋅P contacts, which are predominantly electrostatic and moderate the Lewis acidity. Nonetheless, [Fc P] undergoes complex formation with the Lewis bases PPh and IPr to give the donor-acceptor complexes [Fc P(PPh )] and [Fc P(IPr)] (IPr=1,3-bis(2,6-diisopropylphenyl)imidazole-2-ylidene).

Citing Articles

Heavier Diferrocenylpnictogenium Ions.

Stoian C, Olaru M, Demeshko S, Fischer M, Mebs S, Hupf E Chemistry. 2024; 31(1):e202403555.

PMID: 39471106 PMC: 11711300. DOI: 10.1002/chem.202403555.

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.

Cationic Carbene Analogues: Donor-Free Phosphenium and Arsenium Ions.

Olaru M, Mebs S, Beckmann J Angew Chem Int Ed Engl. 2021; 60(35):19133-19138.

PMID: 34219354 PMC: 8456819. DOI: 10.1002/anie.202107975.

Intramolecular Reaction of Transient Phosphenium and Arsenium Ions Giving Rise to Isolable 9-Phospha- and 9-Arsena-Fluorenium Ions.

Olaru M, Duvinage D, Nass Y, Malaspina L, Mebs S, Beckmann J Angew Chem Int Ed Engl. 2020; 59(34):14414-14417.

PMID: 32460394 PMC: 7496934. DOI: 10.1002/anie.202006728.

The Bis(ferrocenyl)phosphenium Ion Revisited.

Olaru M, Mischin A, Malaspina L, Mebs S, Beckmann J Angew Chem Int Ed Engl. 2019; 59(4):1581-1584.

PMID: 31751492 PMC: 7003730. DOI: 10.1002/anie.201913081.

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