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(BB)-Carboryne Complex of Ruthenium: Synthesis by Double B–H Activation at a Single Metal Center

Eleazer, Bennett J ; Smith, Mark D ; Popov, Alexey A ; Peryshkov, Dmitry V

Journal of the American Chemical Society, 2016-08, Vol.138 (33), p.10531-10538 [Periódico revisado por pares]

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Título:
(BB)-Carboryne Complex of Ruthenium: Synthesis by Double B–H Activation at a Single Metal Center
Autor: Eleazer, Bennett J ; Smith, Mark D ; Popov, Alexey A ; Peryshkov, Dmitry V
É parte de: Journal of the American Chemical Society, 2016-08, Vol.138 (33), p.10531-10538
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: The first example of a transition metal (BB)-carboryne complex containing two boron atoms of the icosahedral cage connected to a single exohedral metal center (POBBOP)Ru(CO)2 (POBBOP = 1,7-OP(i-Pr)2-2,6-dehydro-m-carborane) was synthesized by double B–H activation within the strained m-carboranyl pincer framework. Theoretical calculations revealed that the unique three-membered (BB)>Ru metalacycle is formed by two bent B–Ru σ-bonds with the concomitant increase of the bond order between the two metalated boron atoms. The reactivity of the highly strained electron-rich (BB)-carboryne fragment with small molecules was probed by reactions with electrophiles. The carboryne–carboranyl transformations reported herein represent a new mode of cooperative metal–ligand reactivity of boron-based complexes.
Editor: United States: American Chemical Society
Idioma: Inglês

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