Long arm of the law: The long-armed phosphoramidite 1 was used as a catalyst for the title reaction of acyclic alkylidene β-ketoesters with dialkylzinc and fluorinating reagents. The products, containing adjacent carbon- and fluorine-substituted stereocenters, are obtained in high yield as well as diastereo- and enantioselectivity. NSFI=N-fluorobenzenesulfonimide.
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