Praseodymium and Erbium 1,2,4-Triphenylcyclopentadienyl Complexes

S. S. Degtyareva; Дегтярева С. С.; D. A. Bardonov; Бардонов Д. А.; K. A. Lysenko; Лысенко К. А.; M. E. Minyaev; Миняев М. Е.; I. E. Nifant’ev; Нифантьев И. Э.; D. M. Roitershtein; Ройтерштейн Д. М.

doi:10.31857/S0132344X22600540

Praseodymium and Erbium 1,2,4-Triphenylcyclopentadienyl Complexes

Authors: Degtyareva S.S.¹^,2, Bardonov D.A.¹^,2, Lysenko K.A.²^,3, Minyaev M.E.¹^,4, Nifant’ev I.E.¹^,2^,3, Roitershtein D.M.¹^,2^,4
Affiliations:
1. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia
2. National Research University, Higher School of Economics, Moscow, Russia
3. Moscow State University, Moscow, Russia
4. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia
Issue: Vol 49, No 8 (2023)
Pages: 504-512
Section: Articles
URL: https://journal-vniispk.ru/0132-344X/article/view/137316
DOI: https://doi.org/10.31857/S0132344X22600540
EDN: https://elibrary.ru/SAGZHE
ID: 137316

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Abstract
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Abstract

The reaction of triphenylcyclopentadienyl potassium with praseodymium and erbium chloride tetrahydrofuranates gives, depending on the reactant ratio, tetranuclear ate complexes, [{(Ph3C5H2)-Pr(THF)}2(µ2-Cl)2(µ3-Cl)3K]2(C7H8)4 (I) and [{(Ph3C5H2)Er(THF)}2(µ2-Cl)2(µ3-Cl)3K(THF)]2 (III), or binuclear ate complexes [(Ph3C5H2)2LnCl(KCl)]2 Ln = Pr (II), Er (IV) (CCDC nos. 2224244 (I), 2224243 (II), 2224245 (III), 2224242 (IV)). The structurally similar complexes I and III are based on the {[Ln2(µ-Cl)3]2(µ-Cl)2K2} core, and in III, the potassium cation is additionally coordinated to the THF molecule. The isostructural complexes II and IV have the binuclear [Ln(µ-Cl)2K]2 core.

Keywords

lanthanides, triphenylcyclopentadienyl ligand, X-ray diffraction

References

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