Persistent carbenes containing acetylenes: 4,5-dialkynylimidazol-2-ylidene
- 1 January 2000
- journal article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 11,p. 919-920
- https://doi.org/10.1039/b001622p
Abstract
A nucleophilic imidazole carbene featuring acetylene substituents in the 4- and 5-positions is prepared in three steps from dialkynyl diimines and is characterised by low temperature NMR spectroscopy and trapping reactions with MeI, CS2 and HgCl2.Keywords
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