Reaction of five-membered zirconacycloallenoids with the strong Lewis acid B(C6F5)3

Georg Bender; Constantin G. Daniliuc; Birgit Wibbeling; Gerald Kehr; Gerhard Erker

doi:10.1039/C4DT01137F

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Reaction of five-membered zirconacycloallenoids with the strong Lewis acid B(C₆F₅)₃†‡

Georg Bender,^a Constantin G. Daniliuc,§^a Birgit Wibbeling,§^a Gerald Kehr^a and Gerhard Erker*^a

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* Corresponding authors

^a Organisch-Chemisches Institut der Universität Münster, Corrensstraße 40, 48149 Münster, Germany
E-mail: erker@uni-muenster.de

Abstract

Two alkyl and aryl substituted five-membered zirconacycloallenoids underwent a typical σ-alkyl metallocene reaction with B(C₆F₅)₃, namely cleavage of the Zr–C(sp³) bond with formation of zwitterionic (η²-allenyl)zirconium/alkylborate products. Both products were characterized by X-ray crystal structural analyses.

This article is part of the themed collection: The Carbon–Metal Bond and C–H Metalation

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Article information

DOI: https://doi.org/10.1039/C4DT01137F
Article type: Paper
Submitted: 17 Apr 2014
Accepted: 20 Jun 2014
First published: 23 Jun 2014

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Dalton Trans., 2014,43, 12210-12213

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Reaction of five-membered zirconacycloallenoids with the strong Lewis acid B(C₆F₅)₃

G. Bender, C. G. Daniliuc, B. Wibbeling, G. Kehr and G. Erker, Dalton Trans., 2014, 43, 12210 DOI: 10.1039/C4DT01137F

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Dalton Transactions