Tables of crystal data, data collection, data reduction, refinement details, positional and thermal parameters, and bond distances and angles for the crystal structures of Cl4H1603Mo (25) and C16H20O3Mo (31b) and thermal ellipsoid plot of the Z enantiomer of C14Hl603Mo ( 22pages). Ordering information is given on any current masthead
Chiral N‐heterocyclic carbenes are good ligands for the copper‐catalyzed conjugate addition of dialkylzinc reagents to various Michael acceptors. With as little as 4% of chiral ligand, the enantioselectivity may reach 93% on cycloheptenone.
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