<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>This direct asymmetric Mannich reaction of N‐unprotected 3‐bromooxindoles, catalyzed by a quinidine‐derived thiourea organocatalyst, affords products with vicinal tertiary and brominated quaternary stereogenic centers in good diastereo‐ and enantioselectivities.</p> </abstract>