1,2-Disubstituted Planar Chiral Ferrocene Derivatives from Sulfonamide-Directed ortho-Lithiation: Synthesis, Absolute Configuration, and Chiroptical Properties

A straightforward approach to the synthesis of a series of 1,2-disubstituted planar chiral ferrocenes was achieved using the ortho-directed lithiation of chiral ferrocenesulfonamides followed by a ...

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