Journal of the American Chemical Society · 2011 · 174 citations · 43 references
Natural SciencesChemistryCatalysisOrganic ChemistryCatalyst SynthesisCatalytic MechanismsHeterocycle SynthesisOrganic SynthesisElectron-donating GroupsElectron-withdrawing GroupsIndole ChemistryIndole SynthesisSelective Synthesis
Rhodium carboxylate complexes (1 mol %) catalyze the migration of electron-withdrawing groups to selectively produce 3-substituted indoles from β-substituted styryl azides. The relative order of migratorial aptitude for this transformation is ester ≪ amide < H < sulfonyl < benzoyl ≪ nitro.
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