The carbene transfer to strong Lewis acids: copper is better than silver

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2 Scopus citations

Abstract

A new convenient approach to the synthesis of useful N-heterocyclic carbene complexes of group 13 metals was successfully developed. We demonstrate that air-stable copper(i) diaminocarbene complexes are excellent carbene transfer reagents for the synthesis of (IMes or IPr)MCl3with high yields (M = Al, Ga). Use of this simple method allowed for the first time to obtain (IPr)AlCl3, inaccessibleviaa free carbene route. In contrast to copper complexes, under the same conditions the more commonly used silver analog (IPr)AgCl reacts with MCl3(M = Al, Ga, In) yielding only the homoleptic cationic complexes [(IPr)2Ag]+MCl4

Original languageEnglish
Pages (from-to)2872-2879
JournalDalton Transactions
Volume3
Issue number8
Early online date1 Feb 2021
DOIs
StatePublished - 28 Feb 2021

Scopus subject areas

  • Inorganic Chemistry

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