Visible-Light-Promoted Photocatalytic B-C Coupling via a Boron-Centered Carboranyl Radical: Facile Synthesis of B(3)-Arylated o-Carboranes
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AbstractA visible-light-mediated insitu generation of a boron-centered carboranyl radical (o-C2B10H11.) has been described. With eosinY as a photoredox catalyst, 3-diazonium-o-carborane tetrafluoroborate [3-N-2-o-C2B10H11][BF4] was converted into the corresponding boron-centered carboranyl radical intermediate, which can undergo efficient electrophilic substitution reaction with a wide range of (hetero)arenes. This general and simple procedure provides a metal-free alternative for the synthesis of 3-(hetero)arylated-o-carboranes.
All Author(s) ListZhao D, Xie ZW
Journal nameAngewandte Chemie International Edition
Year2016
Month2
Day24
Volume Number55
Issue Number9
PublisherWILEY-V C H VERLAG GMBH
Pages3166 - 3170
ISSN1433-7851
eISSN1521-3773
LanguagesEnglish-United Kingdom
Keywordsarylation; carborane; heterocycles; photocatalysis; radicals
Web of Science Subject CategoriesChemistry; Chemistry, Multidisciplinary

Last updated on 2020-25-11 at 00:25