2013
DOI: 10.1002/chem.201300496
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Abstract: A new strategy for the fixation of redox-active dinickel(II) complexes with high-spin ground states to gold surfaces was developed. The dinickel(II) complex [Ni2L(Cl)]ClO4 (1ClO4), in which L(2-) represents a 24-membered macrocyclic hexaaza-dithiophenolate ligand, reacts with ambidentate 4-(diphenylphosphino)benzoate (dppba) to form the carboxylato-bridged complex [Ni2L(dppba)](+), which can be isolated as an air-stable perchlorate [Ni2L(dppba)]ClO4 (2ClO4) or tetraphenylborate [Ni2L(dppba)]BPh4 (2BPh4) salt. … Show more

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Cited by 6 publications
(7 citation statements)
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“…[2] Further support comes from the electronic absorption bands at 651 and 1121 nm attributable to spin-allowed ν 2 and ν 1 transitions of a six-coordinate NiN 3 S 2 O carboxylate chromophore. The IR and UV/Vis data closely compare with those of the known [(Ni 2 L)(μ-dppba)] + complex 2, [10] showing that coordination of the Pt 2+ ion to the dppba ligand has little (if any) influence on the spectroscopic properties of the [Ni 2 L] 2+ entity.…”
Section: Articlesupporting
confidence: 58%
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“…[2] Further support comes from the electronic absorption bands at 651 and 1121 nm attributable to spin-allowed ν 2 and ν 1 transitions of a six-coordinate NiN 3 S 2 O carboxylate chromophore. The IR and UV/Vis data closely compare with those of the known [(Ni 2 L)(μ-dppba)] + complex 2, [10] showing that coordination of the Pt 2+ ion to the dppba ligand has little (if any) influence on the spectroscopic properties of the [Ni 2 L] 2+ entity.…”
Section: Articlesupporting
confidence: 58%
“…[10] The aim of the presented work was to examine whether pentanuclear complexes are accessible. 2 ] via replacement of the platinum bound acetonitrile ligands followed by precipitation with LiClO 4 .…”
Section: Articlementioning
confidence: 99%
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“…The doubly deprotonated form, L 2− , is an effective dinucleating ligand that readily forms bioctahedral complexes of the type [M 2 L( μ ‐L′)] + with various first‐row transition metal ions (M=Mn 2+ , Fe 2+ , Co 2+ , Co 3+ , Ni 2+ , Figure 1 ). [38] Several co‐ligands such as L′=Cl − , OH − , [39] HS − , [40] and RCO 2 − ,[ 41 , 42 , 43 , 44 , 45 , 46 ] to name just a few, can be accommodated between the divalent metal ions. Complexes of this kind offer the opportunity to investigate intramolecular magnetic super‐exchange interaction as a function of the electronic configuration of the metal ions and the type of the coligand.…”
Section: Introductionmentioning
confidence: 99%
“…The ambidentate phosphane-carboxylato [ 38 ] and thiol-carboxylato coligands H 2 L 2 and H 1 L 3 ( Fig. 1 ) were found to bind selectively via their carboxylate function to form the carboxylato-bridged complexes [Ni 2 L(HL 2 )](ClO 4 ) ( 2 ) and [Ni 2 L(L 3 )](ClO 4 ) ( 3 ) [ 39 40 ] such that an exposed thiol or phosphane group is available for further functionalization. Indeed, 2 dimerizes via a disulphide bond upon oxidation in air to generate a tetranuclear [{Ni 2 L} 2 (O 2 CC 6 H 4 S) 2 ] 2+ complex, while “auration” of 2 and 3 with Au I sources leads to the trinuclear Ni II 2 Au I species 4 and 5 .…”
Section: Introductionmentioning
confidence: 99%