Cram-selective addition of α-allyl sulphinyl anion to chiral aldehydes: synthesis of (E)-1,4-dihydroxyalk-2-enes
Abstract
The stereoselective introduction of an allylic alcohol function into chiral aldehydes is readily achieved by sequential condensation of aldehydes with an allylic sulphinyl anion and thiophile-promoted desulphurization of the resulting α-substituted allylic sulphoxides.
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