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Cho, Jaeheung
BIOCC at UNIST
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New synthetic routes to a disulfidodinickel(II) complex: Characterization and reactivity of a Ni-2(mu-eta(2):eta(2)-S-2) core

Author(s)
Cho, JaeheungVan Heuvelen, Katherine M.Yap, Glenn P. A.Brunold, Thomas C.Riordan, Charles G.
Issued Date
2008-05
DOI
10.1021/ic800321x
URI
https://scholarworks.unist.ac.kr/handle/201301/48156
Fulltext
https://pubs.acs.org/doi/10.1021/ic800321x
Citation
INORGANIC CHEMISTRY, v.47, no.10, pp.3931 - 3933
Abstract
Activation of elemental sulfur by the monovalent nickel complex [PhTt(tBu)]Ni(CO) [PhTt(tBu) = phenyl{tris[(tert-butylmethyl)thio]methyl}borate] generates the disulfidodinickel(II) complex 2. This species is alternatively accessible via thermal decomposition of [PhTt(tBu)]Ni(SCPh3). Spectroscopic, magnetic, and X-ray diffraction studies establish that 2 contains a mu-eta(2):eta(2)-S-2 ligand that fosters antiferromagnetic exchange coupling between the Ni-II ions. This observation is in contrast to the lighter congener, oxygen, which strongly favors the bis(mu-oxo)dinickel(III) structure. 2 oxidizes, PPh3 to SPPh3 and reacts with 02, generating several products, one of which has been identified as [(PhTt(tBu))Ni](2)(mu-S) (3).
Publisher
AMER CHEMICAL SOC
ISSN
0020-1669
Keyword
DIOXYGEN ACTIVATIONMOLECULAR-STRUCTUREDISULFIDE COMPLEXDONOR LIGANDSSIDE-ONNICKELSULFURTHIOLATECLUSTERS

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