C(sp3)–H Selective Benzylic Borylation by In Situ Reduced Ultrasmall Ni Species on CeO2

Herein, we report that highly dispersed Ni hydroxide species supported on CeO2 act as an efficient heterogeneous catalyst for the selective borylation of benzylic C­(sp3)–H bonds of alkylarenes including secondary derivatives, using pinacolborane as the borylating agent. A thorough physicochemical a...

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Bibliographic Details
Published inACS catalysis Vol. 11; no. 4; pp. 2150 - 2155
Main Authors Yoshii, Daichi, Yatabe, Takafumi, Yabe, Tomohiro, Yamaguchi, Kazuya
Format Journal Article
LanguageEnglish
Published American Chemical Society 19.02.2021
Subjects
benzylic borylation
nickel
C−H borylation
ceria
heterogeneous catalysis
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Summary:Herein, we report that highly dispersed Ni hydroxide species supported on CeO2 act as an efficient heterogeneous catalyst for the selective borylation of benzylic C­(sp3)–H bonds of alkylarenes including secondary derivatives, using pinacolborane as the borylating agent. A thorough physicochemical analysis reveals that in situ reduced ultrasmall Ni species on CeO2 during the reaction are the actual active species responsible for the borylation.
ISSN:2155-5435
2155-5435
DOI:10.1021/acscatal.1c00185