Assembly of the Au–diphosphine helical cage molecules via alkynyl–μ4-methylydine ligand transformation

Igor O. Koshevoy; Matti Haukka; Stanislav I. Selivanov; Sergey P. Tunik; Tapani A. Pakkanen

doi:10.1039/C0CC03953E

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Assembly of the Au–diphosphine helical cage molecules viaalkynyl–μ₄-methylydine ligand transformation†

Igor O. Koshevoy,*^a Matti Haukka,^a Stanislav I. Selivanov,^b Sergey P. Tunik*^b and Tapani A. Pakkanen*^a

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* Corresponding authors

^a University of Eastern Finland, Joensuu, Finland
E-mail: igor.koshevoy@uef.fi, tapani.pakkanen@uef.fi
Fax: +358 13 2513390
Tel: +358 13 2513325

^b St. Petersburg State University, Universitetskii pr. 26, St. Petersburg, Russia
E-mail: stunik@inbox.ru
Fax: +7 812 286939
Tel: +7 812 4284028

Abstract

The assembly of the gold(I)–diphosphine cages occurs via unprecedented transformation of the alkynyls into the μ₄-methylydine ligands under basic conditions. These compounds demonstrate the equilibrium between the P ↔ M helical isomers and serve as hosts to accommodate small molecules (CH₂Cl₂ and CS₂).

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Article information

DOI: https://doi.org/10.1039/C0CC03953E
Article type: Communication
Submitted: 18 Sep 2010
Accepted: 13 Oct 2010
First published: 01 Nov 2010

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Chem. Commun., 2010,46, 8926-8928

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Assembly of the Au–diphosphine helical cage molecules via alkynyl–μ₄-methylydine ligand transformation

I. O. Koshevoy, M. Haukka, S. I. Selivanov, S. P. Tunik and T. A. Pakkanen, Chem. Commun., 2010, 46, 8926 DOI: 10.1039/C0CC03953E

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