Organic Letters · 2010 · 67 citations · 29 references
EngineeringHeterocyclicN-sulfonyl-substituted YnamidesOrganic ChemistryOrganometallic CatalysisCatalysisFirst Successful ExampleChemistryHeterocycle ChemistrySynthesis MethodAsymmetric CatalysisEnantioselective SynthesisBiomolecular Engineering
The Ficini [2 + 2] cycloaddition using N-sulfonyl-substituted ynamides is described, featuring the utility of CuCl(2) and AgSbF(6) as catalysts. This work represents the first successful example of ynamides participating in a thermal [2 + 2] cycloaddition with enones.
29
Recent advances in the chemistry of ynamines and ynamides
Craig A. Zificsak, Jason A. Mulder, Richard P. Hsung et al. · Tetrahedron · 2001 · 299 citations