The influence of differently substituted cyclopentadienyl Cp-R ligands on the reactivity of [(CpFe)-Fe-R(CO)(2)](2) with yellow arsenic

Krauss, Hannes and Balazs, Gabor and Seidl, Michael and Scheer, Manfred (2022) The influence of differently substituted cyclopentadienyl Cp-R ligands on the reactivity of [(CpFe)-Fe-R(CO)(2)](2) with yellow arsenic. MENDELEEV COMMUNICATIONS, 32 (1). pp. 42-45. ISSN 0959-9436, 1364-551X

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Abstract

The influence of differently substituted cyclopentadienyl Cp-R ligands on the reaction outcome of [(CpFe)-Fe-R(CO)(2)](2) (Cp-R = C5Me5, EtC5Me4, 1,3-(Bu2C5H3)-C-t) with As-4 is examined. For C5Me5 and EtC5Me4, the pentaarsaferrocene derivatives [(CpFe)-Fe-R(eta(5)-As-5)] are formed together with [((CpFe)-Fe-R)(3)As-6] and [((CpFe)-Fe-R)(3)As-6{(eta(3)-As-3)Fe}], while for 1,3-(Bu2C5H3)-C-t only [((CpFe)-Fe-R)(3)As-6] is formed. The reaction of [(Me5C5Fe)(3)As-6{(eta(3)-As-3)Fe}] with Tl+ leads to [{(Me5C5Fe)(3)As6Fe}(2)(mu,eta(3):eta(3)-As-3)](2+) representing an unexpected dicationic cluster.

Item Type: Article
Uncontrolled Keywords: P-4 ACTIVATION; TRANSITION; AS-6; yellow arsenic; iron complexes; cyclopentadienyl ligands; polyarsenic ligand complexes; oxidation
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Manfred Scheer
Depositing User: Dr. Gernot Deinzer
Date Deposited: 07 Nov 2023 10:41
Last Modified: 07 Nov 2023 10:41
URI: https://pred.uni-regensburg.de/id/eprint/56676

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