Palladium-Catalyzed Regioselective Diarylation of o-Carboranes By Direct Cage B-H Activation
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AbstractPalladium-catalyzed intermolecular coupling of o-carborane with aromatics by direct cage B-H bond activation has been achieved, leading to the synthesis of a series of cage B(4,5)-diarylated-o-carboranes in high yields with excellent regioselectivity. Traceless directing group -COOH plays a crucial role for site-and di-selectivity of such intermolecular coupling reaction. A Pd-II-Pd-IV-Pd-II catalytic cycle is proposed to be responsible for the stepwise arylation.
All Author(s) ListQuan YJ, Xie ZW
Journal nameAngewandte Chemie International Edition
Year2016
Month1
Day22
Volume Number55
Issue Number4
PublisherWILEY-V C H VERLAG GMBH
Pages1295 - 1298
ISSN1433-7851
eISSN1521-3773
LanguagesEnglish-United Kingdom
Keywordsarylation; B-H activation; carborane; coupling reactions; homogeneous catalysis
Web of Science Subject CategoriesChemistry; Chemistry, Multidisciplinary

Last updated on 2020-20-10 at 03:15