Reactions of a methylzirconocene cation with phosphinoalkynes: an alternative pathway for generating Cp2Zr(II) systems

Xin Xu; Roland Fröhlich; Constantin G. Daniliuc; Gerald Kehr; Gerhard Erker

doi:10.1039/C2CC31883K

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Reactions of a methylzirconocene cation with phosphinoalkynes: an alternative pathway for generating Cp₂Zr(ii) systems†

Xin Xu,^a Roland Fröhlich,‡^a Constantin G. Daniliuc,‡^a Gerald Kehr^a and Gerhard Erker*^a

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* Corresponding authors

^a Organisch-Chemisches Institut, Universität Münster, Corrensstrasse 40, Germany
E-mail: erker@uni-muenster.de

Abstract

A methylzirconocene cation (with a [B(C₆F₅)₄]⁻ counterion) transfers a methyl cation equivalent to diphenylphosphino-alkynes to generate (η²-alkyne)ZrCp₂ complexes bearing the [RC [triple bond, length as m-dash] CPPh₂Me]⁺ ligand. Two examples of the PMe₃ ligand stabilized [(Me₃P)Cp₂Zr(η²-RCCPPh₂Me)⁺][B(C₆F₅)₄⁻] salts were characterized by X-ray diffraction.

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Article information

DOI: https://doi.org/10.1039/C2CC31883K
Article type: Communication
Submitted: 14 Mar 2012
Accepted: 17 Apr 2012
First published: 18 Apr 2012

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Chem. Commun., 2012,48, 6109-6111

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Reactions of a methylzirconocene cation with phosphinoalkynes: an alternative pathway for generating Cp₂Zr(II) systems

X. Xu, R. Fröhlich, C. G. Daniliuc, G. Kehr and G. Erker, Chem. Commun., 2012, 48, 6109 DOI: 10.1039/C2CC31883K

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