Iridium and rhodium complexes bearing a silyl-bipyridine pincer ligand: synthesis, structures and catalytic activity for C–H borylation of arenes,Dalton Transactions

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Iridium and rhodium complexes bearing a silyl-bipyridine pincer ligand: synthesis, structures and catalytic activity for C–H borylation of arenes
Dalton Transactions ( IF 3.5 ) Pub Date : 2022-06-13 , DOI: 10.1039/d2dt01227h
Takashi Komuro ₁ , Daiki Mochizuki ₁ , Hisako Hashimoto ₁ , Hiromi Tobita ₁

Affiliation

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(sp²)–H borylation of arenes to give arylboronate esters in high yields (≥93%) under mild conditions (∼40 °C).

中文翻译：

带有甲硅烷基-联吡啶钳形配体的铱和铑配合物：芳烃C-H硼化的合成、结构和催化活性

合成了带有基于甲硅烷基-联吡啶的 SiNN-钳形配体 (Bpy ^SiNN ) 的不饱和 16 电子铱和铑配合物，并通过 X 射线晶体学和 NMR 光谱学对其进行了表征。铱^{-Bpy SiNN 配合}物促进芳烃的催化 C(sp ² )-H 硼基化，在温和条件下（~40 °C）以高产率（≥93%）得到芳基硼酸酯。

更新日期：2022-06-13

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