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Unexpected Consecutive Propargyl−Allenyl Isomerization in Nucleophilic Trapping Reactions of (arene)Cr(CO)<sub>3</sub>-Substituted Propargyl Cations
11
Citations
26
References
2001
Year
EngineeringChemical TransformationMolecular BiologyOrganic ChemistryChemistryOrganometallic CatalysisReaction IntermediatePhosphonium Salts 3Prototropic IsomerizationConsecutive Propargyl−allenyl IsomerizationPropargyl CationsInorganic ChemistryReactivity (Chemistry)CatalysisEnantioselective SynthesisBiomolecular EngineeringNatural SciencesNucleophilic Trapping ReactionsSynthetic Chemistry
Instead of giving rise to the expected propargylated phosphonium salts 4, the addition of triphenylphosphane to (arene)Cr(CO)3-substituted α-propargyl cations furnishes allenyl phosphonium salts 3 via a prototropic isomerization.
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