Abstract
A multicomponent catalytic double asymmetric cascade reaction for obtaining chlorinated oxindoles and C–N aminals simultaneously is described. A calcium VAPOL phosphate complex was shown to catalyze two enantiocontrolled multicomponent reactions utilizing 3-aryloxindoles, N-Boc imines, and N-chlorophthalimide, which afforded two structurally complex and diverse chiral products with high levels of stereocontrol in one pot. This transformation is facile and has a high degree of both step and atom economy.
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