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The palladium-catalyzed allylations of chiral hydrazones bearing phosphine groups were executed successfully under neutral reaction conditions with various allylating reagents, affording optically active α-allyl carbonyl compounds. The systematic and stereochemical investigation of these reactions shows that the intramolecularly-substituted phosphine groups served as chiral ligands and the anionic counterparts in the allylating reagents were markedly stereoelectronically effective on asymmetric induction.
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Hiroi et al. (1992) studied this question.
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