Addition of Aryl-, Alkenyl- and Alkynylzinc Reagents to Aldehydes

2 Addition of Aryl-, Alkenyl- and Alkynylzinc Reagents to Aldehydes 

A few vinylzinc reagents have been added to aldehydes in the presence of chiral sulfur-containing ligands. As an example, Seto et al. reported, in 2005, the synthesis of dipeptide A-acylethylenediamine-based ligands by parallel 

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