ChemInform Abstract: Activation of a C(sp3)—H Bond by a Transient σ‐Alkylpalladium(II) Complex: Synthesis of Spirooxindoles Through a Palladium‐Catalyzed Domino Carbopalladation/C(sp3)—C(sp3) Bond‐Forming Process.

Abstract The sequence renders possible the access to various spirocycles including a benzopyrazine system (VIII).