Anionic N-heterocyclic carbenes derived from sydnone imines such as molsidomine. Trapping reactions with selenium, palladium, and gold
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DOI: 10.1016/j.tet.2017.07.032
Abstract: Abstract The sydnone imines Molsidomine and 5-(benzoylimino)-3-(2-methoxyphenyl)-1,2,3-oxadiazolium-2-ide gave anionic N-heterocyclic carbenes on deprotonation at C4 which were trapped as methylated selenium adducts, gold complexes (X-ray analysis) as well as palladium complexes (X-ray analysis). The 13C… read more here.
Keywords: heterocyclic carbenes; imines molsidomine; anionic heterocyclic; palladium ... See more keywords
Cycloadditions of anionic N-heterocyclic carbenes of sydnone imines
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DOI: 10.1016/j.tetlet.2019.04.006
Abstract: Abstract Sydnone imines were deprotonated with lithium bis(trimethylsilyl)amide at the C4 position to give the corresponding sydnone imine anions as lithium adducts. These can be represented as lithium stabilized anionic N-heterocyclic carbenes. Treatment with diisopropyl… read more here.
Keywords: heterocyclic carbenes; sydnone imine; anionic heterocyclic; cycloadditions anionic ... See more keywords