Transition Metal Catalyzed Direct Amination of the Cage B(4)-H Bond in o-Carboranes: Synthesis of Tertiary, Secondary, and Primary o-Carboranyl Amines
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AbstractTransition metal catalyzed regioselective amination of the cage B(4)-H bond in o-carboranes has been achieved for the first time using O-benzoyl hydroxylamines or organic azides as the amination reagents, leading to the preparation of a series of tertiary and secondary carboranyl amines. Both amination reactions proceeded under mild conditions without the addition of any external oxidants. Hydrogenolysis of the resultant product 4-N(CH2Ph)(2)-o-carborane afforded the primary carboranyl amine, 4-amino-9-carborane, in quantitative yield.
All Author(s) ListHairong Lyu, Yangjian Quan, Zuowei Xie
Journal nameJournal of the American Chemical Society
Volume Number138
Issue Number39
Pages12727 - 12730
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesChemistry; Chemistry, Multidisciplinary

Last updated on 2021-16-09 at 00:55