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Quinone pro quo: The organocatalytic enantioselective α-arylation of aldehydes using quinones as the aromatic partner was carried out. The reaction proceeds well using H2O or EtOH/H2O mixtures as solvent. The corresponding optically active α-arylated aldehydes are obtained in high yields and with excellent enantioselectivities (see scheme; TMS: trimethylsilyl).
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Alemán et al. (2007) studied this question.
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