Mueller, Julian and Scheer, Manfred (2021) Coordination Behavior of a P-4-Butterfly Complex towards Transition Metal Lewis Acids: Preservation versus Rearrangement. CHEMISTRY-A EUROPEAN JOURNAL, 27 (11). pp. 3675-3681. ISSN 0947-6539, 1521-3765
Full text not available from this repository. (Request a copy)Abstract
The reactivity of the P-4 butterfly complex [{Cp'''Fe(CO)(2)}(2)(mu,eta(1:1)-P-4)] (1, Cp'''=eta(5)-C(5)H(2)tBu(3)) towards divalent Co, Ni and Zn salts is investigated. The reaction with the bromide salts leads to [{Cp'''Fe(CO)(2)}(2)(mu(3),eta(2:1:1)-P-4){MBr2}] (M=Co (2Co), Ni (2Ni), Zn (2Zn)) in which the P-4 butterfly scaffold is preserved. The use of the weakly ligated Co complex [Co(NCCH3)(6)][SbF6](2), results in the formation of [{(Cp'''Fe(CO)(2))(2)(mu(3),eta(4:1:1)-P-4)}(2)Co][SbF6](3) (3), which represents the second example of a homoleptic-like octaphospha-metalla-sandwich complex. The formation of the threefold positively charged complex 3 occurs via redox processes, which among others also enables the formation of [{Cp'''Fe(CO)(2)}(4)(mu(5),eta(4:1:1:1:1)-P-8){Co(CO)(2)}][SbF6] (4), bearing a rare octaphosphabicyclo[3.3.0]octane unit as a ligand. On the other hand, the reaction with [Zn(NCCH3)(4)][PF6](2) yields the spiro complex [{(Cp'''Fe(CO)(2))(2)(mu(3),eta(2:1:1)-P-4)}(2)Zn][PF6](2) (5) under preservation of the initial structural motif.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | BOND COVALENT RADII; P-4 ACTIVATION; MAGNETIC-MOMENTS; METHYL ACRYLATE; REACTIVITY; ELEMENTS; NICKEL; LIGANDS; P-4(2-); P4; chelate ligands; cyclo-P-4 ligands; P-4 butterfly complexes; P-4 transformation; phosphorus |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Manfred Scheer |
| Depositing User: | Petra Gürster |
| Date Deposited: | 17 Jun 2025 05:20 |
| Last Modified: | 17 Jun 2025 05:20 |
| URI: | https://pred.uni-regensburg.de/id/eprint/45847 |
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