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Chiral allenes are racemised by organocuprates
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1979
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BiologyNatural SciencesAnion RadicalMolecular BiologyOrganic ChemistryMethylmagnesium IodideStereoselective SynthesisChemistryAsymmetric CatalysisEnantioselective SynthesisChiral Allenes
The chiral allenes (1) and (2) are racemised in the presence of various organocuprates, or, in the case of the alcohol (2), by methylmagnesium iodide alone; the racemisations probably proceed via an anion radical.