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Octahedral manganese(I) and ruthenium(II) complexes containing 2-(methylamido)pyridine–borane as a tripod κ3N,H,H-ligand

AuthorsBrugos, Javier; Cabeza, Javier A.; García-Álvarez, Pablo; Pérez-Carreño, E. ; Maelen, Juan F. van der
Issue Date2017
PublisherRoyal Society of Chemistry (UK)
CitationDalton Transactions 46(12): 4009-4017 (2017)
AbstractThe borane adduct of the 2-(methylamido)pyridine anion, [mapyBH], has been incorporated into octahedral metal complexes. In fac-[Mn(κN,H,H-mapyBH)(CO)] (1) and fac-[RuH(κN,H,H-mapyBH)(CO)(PiPr)] (2), which have been prepared by treating K[mapyBH] with fac-[MnBr(MeCN)(CO)] and [RuHCl(CO)(PiPr)], respectively, it behaves as a tripod ligand, attached to the metal atom through the amido N atom and through two H atoms of the BH moiety. X-ray diffraction analyses and theoretical studies (DFT, QTAIM) have shown that the MHB atom grouping of 1 and 2 comprises two 3c-2e M-H-B interactions that are between those of the Shimoi type (κH coordination of the B-H bond) and those of the agostic type (κB,H coordination of the B-H bond). However, while both M-H-B interactions are almost identical in complex 1, this is not the case in complex 2, in which one M-H-B interaction is more agostic than the other due to the different trans influence of the hydride and phosphane ligands.
Identifiersdoi: 10.1039/C7DT00378A
e-issn: 1477-9234
issn: 1477-9226
Appears in Collections:(CINN) Artículos
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