Iridium and rhodium complexes bearing a silyl-bipyridine pincer ligand: synthesis, structures and catalytic activity for C–H borylation of arenes. Issue 26 (23rd June 2022)

• Record Type: Journal Article
• Authors: Komuro, Takashi; Mochizuki, Daiki; Hashimoto, Hisako; Tobita, Hiromi
• Is Part Of: Dalton transactions. Volume 51:Issue 26(2022)
• Page Start: 9983
• Page End: 9987
• Publication Date: 2022-06-23
• Subjects: Chemistry, Inorganic -- Periodicals; Chemistry, Physical and theoretical -- Periodicals; Chemistry, Inorganic -- Periodicals; 546.05
• DOI: 10.1039/d2dt01227h
• Languages: English
• ISSNs: 1477-9226

Abstract

Abstract : The synthesis of five-coordinate 16e SiNN-pincer complexes of iridium and rhodium, and catalytic C(sp 2 )–H borylation under mild conditions are described. Abstract : Unsaturated 16-electron iridium and rhodium complexes bearing a silyl-bipyridine-based SiNN-pincer ligand (Bpy SiNN ) were synthesised and characterised by X-ray crystallography and NMR spectroscopy. The iridium-Bpy SiNN complex facilitated the catalytic C(sp 2 )–H borylation of arenes to give arylboronate esters in high yields (≥93%) under mild conditions (∼40 °C).