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