Praseodymium and Erbium 1,2,4-Triphenylcyclopentadienyl Complexes

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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.

About the authors

S. S. Degtyareva

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia;
National Research University, Higher School of Economics, Moscow, Russia

Email: roiter@yandex.ru
Россия, Москва; Россия, Москва

D. A. Bardonov

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia;
National Research University, Higher School of Economics, Moscow, Russia

Email: roiter@yandex.ru
Россия, Москва; Россия, Москва

K. A. Lysenko

National Research University, Higher School of Economics, Moscow, Russia; Moscow State University, Moscow, Russia

Email: roiter@yandex.ru
Россия, Москва; Россия, Москва

M. E. Minyaev

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia; Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia

Email: roiter@yandex.ru
Россия, Москва; Россия, Москва

I. E. Nifant’ev

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia; National Research University, Higher School of Economics, Moscow, Russia; Moscow State University, Moscow, Russia

Email: roiter@yandex.ru
Россия, Москва; Россия, Москва; Россия, Москва

D. M. Roitershtein

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia; National Research University, Higher School of Economics, Moscow, Russia; Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia

Author for correspondence.
Email: roiter@yandex.ru
Россия, Москва; Россия, Москва; Россия, Москва

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Copyright (c) 2023 С.С. Дегтярева, Д.А. Бардонов, К.А. Лысенко, М.Е. Миняев, И.Э. Нифантьев, Д.М. Ройтерштейн