Direct Access to Enantioenriched Spiroacetals through Asymmetric Relay Catalytic Three-Component Reaction

[摘要]：The gold(I)/chiral Bronsted acid relay catalysis enabled a highly stereoselective three-component reaction of salicylaldehydes, anilines, and alkynols to give aromatic spiroacetals in high yields and stereoselectivities.

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