Reactions of Zinc Dialkyls with (Perfluorophenyl)boron Compounds: Alkylzinc Cation Formation vs C6F5Transfer

Walker, Dennis A., Woodman, Timothy J., Hughes, David L. and Bochmann, Manfred (2001) Reactions of Zinc Dialkyls with (Perfluorophenyl)boron Compounds: Alkylzinc Cation Formation vs C6F5Transfer. Organometallics, 20 (17). pp. 3772-3776.

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Abstract

Reaction between ZnR2 and [H(OEt2)2][B(C6F5)4] in ether leads to the salts [RZn(OEt2)3][B(C6F5)4], while mixtures of ZnR2 (R = Me, Et) and B(C6F5)3 in toluene-d8 undergo facile alkyl/C6F5 group exchange to give Zn(C6F5)2·(toluene). Mixtures of ZnR2 and B(C6F5)3 in hydrocarbon/diethyl ether solvent mixtures react with alkyl transfer to afford the ion pairs [RZn(OEt2)3][RB(C6F5)3], whereas the reaction of ZnEt2 with [Ph3C][B(C6F5)4] in toluene-d8 proceeds with ß-H abstraction to give ethene and Ph3CH, with the subsequent rapid formation of Zn(C6F5)2.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Rachel Smith
Date Deposited: 02 Nov 2010 17:48
Last Modified: 29 Jul 2019 16:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/10478
DOI: 10.1021/om0103557

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