PubMed · 2006 · 29 citations · 0 references
Natural SciencesChemistryMedicinal ChemistryCatalysisOrganic ChemistryReaction Mechanism AnalysisReaction MechanismsAsymmetric Heterocycle SynthesisControl ExperimentsEnantioselective CatalysisEnantioselective SynthesisMild Reaction ConditionsOrganoiridium ChemistryReaction Mechanism Derivation
We present here an iridium-catalyzed diastereo- and enantioselective [4 + 1] cycloaddition reaction of hydroxyallyl anilines with sulfoxonium ylides under mild reaction conditions, leading to 3-vinyl indolines in moderate to good yields with excellent enantioselectivities. Control experiments disclosed a plausible reaction mechanism.