Steric and Electronic Parameters of a Bulky yet Flexible N-Heterocyclic Carbene: 1,3-Bis(2,6-bis(1-ethylpropyl)phenyl)imidazol-2-ylidene (IPent)

Alba Collado-Martinez, Janos Balogh, Sebastien Michel Bernard Meiries, Alexandra Martha Zoya Slawin, Laura Falivene, Luigi Cavallo, Steven Patrick Nolan

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38 Citations (Scopus)

Abstract

The free N-heterocyclic carbene IPent (1;IPent = 1,3-bis(2,6-bis(1-ethylpropyl)phenyl)imidazol-2-ylidene) was prepared from the corresponding imidazolium chloride salt (2). The steric and electronic parameters of 1
were determined by synthesis of the gold(I) chloride complex [Au(IPent)Cl] (3) and the nickel−carbonyl complex [Ni-(IPent)(CO)3] (4), respectively. 3 and 4 were fully
characterized by NMR spectroscopy, elemental analysis, and X-ray diffraction studies on single crystals.
Original languageEnglish
Pages (from-to)3249-3252
Number of pages4
JournalOrganometallics
Volume32
Issue number11
Early online date28 May 2013
DOIs
Publication statusPublished - 10 Jun 2013

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