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Silylboronate-Mediated Defluorosilylation of Aryl Fluorides with or without Ni-Catalyst.

ABSTRACT: The defluorosilylation of aryl fluorides to access aryl silanes was achieved under transition-metal-free conditions via an inert C-F bond activation. The defluorosilylation, mediated by silylboronates and KOtBu, proceeded smoothly at room temperature to afford various aryl silanes in good yields. Although a comparative experiment indicated that Ni catalyst facilitated this transformation more efficiently, the transition-metal-free protocol is advantageous from a green chemistry perspective.

SUBMITTER: Zhou J 

PROVIDER: S-EPMC8573161 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Silylboronate-Mediated Defluorosilylation of Aryl Fluorides with or without Ni-Catalyst.

Zhou Jun J   Zhao Zhengyu Z   Shibata Norio N  

Frontiers in chemistry 20211025

The defluorosilylation of aryl fluorides to access aryl silanes was achieved under transition-metal-free conditions <i>via</i> an inert C-F bond activation. The defluorosilylation, mediated by silylboronates and KOtBu, proceeded smoothly at room temperature to afford various aryl silanes in good yields. Although a comparative experiment indicated that Ni catalyst facilitated this transformation more efficiently, the transition-metal-free protocol is advantageous from a green chemistry perspectiv  ...[more]