Nondirecting Group sp3 C−H Activation for Synthesis of Bibenzyls via Homo‐coupling as Catalyzed by Reduced Graphene Oxide Supported PtPd@Pt Porous Nanospheres

Abstract The use of heterogeneous bimetallic Pd‐based nanocatalyst for directing the inactivated sp 3 C−H coupling has been scarcely explored. This work reported the formation of symmetrical C−C bonds from the inactivated sp 3 C−H bonds catalyzed by employing reduced graphene oxide supported PtPd@Pt porous nanospheres. The reaction of sp 3 C−H activation proceeded under mild conditions without any solvent, ligand or directing group. It is a higher atom‐, step‐ and cost‐effectiveness strategy for developing heterogeneous catalysts in the synthesis of bibenzyls with various functional groups (e. g. aryl, alkyl, methoxyl, halogen, ester, and pyridyl). magnified image