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The front cover picture, provided by Qiang Kang and co‐workers, illustrates an efficient bimetallic gold(I)/chiral rhodium(III) Lewis acid asymmetric relay catalysis. The gold(I)‐catalyzed 5‐exo‐dig intramolecular cyclization of alkynyl alcohol or amide can afford an active electron‐rich cyclic intermediate, which is in situ trapped by β,γ‐unsaturated α‐keto esters activated by a chiral Rh(III) Lewis...
An efficient asymmetric cascade reaction of keto esters with alkynyl alcohols and amides was catalyzed by the combination of achiral gold(I) catalysis and chiral Rh(III) Lewis acid catalysis as asymmetric relay catalysis. The corresponding spiroketals and spiroaminals were synthesized in good yields (up to 99%), with good diastereoselectivity (up to 20:1 dr) and excellent enantioselectivity (up to...
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