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Dumbbell-Shaped 2,2’-Bipyridines: Controlled Metal Monochelation and Application to Ni-Catalyzed Cross-Couplings |
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| Authors: | Yongjoon Kim Prof?Dr Tomohiro Iwai Prof?Dr Sho Fujii Prof?Dr Kosei Ueno Prof?Dr Masaya Sawamura |
| Institution: | 1. Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0810 Japan;2. Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Kita 21, Nishi 10, Kita-ku, Sapporo 001-0021 Japan |
| Abstract: | 2,2’-Bipyridine ligands (dsbpys) with dumbbell-like shapes and differently substituted triarylmethyl groups at the C5 and C5’ positions showed high ligand performance in the Ni-catalyzed cross-electrophile coupling and the Ni/photoredox-synergistically catalyzed decarboxylative coupling reactions. The superior ligand effects of dsbpys compared to the conventional bpy ligands were attributed to the monochelating nature of dsbpys. |
| Keywords: | 2 2’-bipyridine cross-electrophile coupling metallaphotoredox catalysis monochelation nickel catalysis |