Issue 13, 2024
From the journal:

Dalton Transactions

Triple para-substitution reactions of B(C6F5)3 and [(C6F5)3PF]+ with P(SiMe3)3†

Jordan Thomson,a   Sofia Michailovich,a   Linkun Miao, ORCID logo a   Jeffrey M. Farrell,a   Jillian A. Murray,a   Alan Lougha  and  Douglas W. Stephan ORCID logo *a  

* Corresponding authors

a Department of Chemistry, University of Toronto, 80 St. George St, Toronto, ON, Canada
E-mail: dstephan@chem.utoronto.ca

Abstract

para-Substitution reactions on C6F5 rings of Lewis acids have been exploited to achieve triply substituted derivatives. The reaction of B(C6F5)3 with P(SiMe3)3 ultimately affords the Lewis acid B(C6F4P(SiMe3)2)31. This species binds Lewis bases affording the adducts LB(C6F4P(SiMe3)2)3 (L = MeCN 2, OPEt33, PMe34, PBu35) and reacts with LiMe to give the salt [Li][MeB(C6F4P(SiMe3)2)3]·3THF 6. It also reacts with H2O to give (L)B(C6F4PH2)3 (L = H2O 7, MeCN 8). In an analogous fashion, [(C6F5)3PF][B(C6F5)4] was converted to [FP(C6F4P(SiMe3)2)3] [B(C6F5)4] 9 and subsequently to [(MeO)P(C6F4PH2)3][B(C6F5)4] 10.

Graphical abstract: Triple para-substitution reactions of B(C6F5)3 and [(C6F5)3PF]+ with P(SiMe3)3

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Article information

DOI
https://doi.org/10.1039/D4DT00251B
Article type
Communication
Submitted
30 Jan 2024
Accepted
21 Feb 2024
First published
01 Mar 2024

Dalton Trans., 2024,53, 5775-5778

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Triple para-substitution reactions of B(C6F5)3 and [(C6F5)3PF]+ with P(SiMe3)3

J. Thomson, S. Michailovich, L. Miao, J. M. Farrell, J. A. Murray, A. Lough and D. W. Stephan, Dalton Trans., 2024, 53, 5775 DOI: 10.1039/D4DT00251B

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