Complexes containing bridging tin- and germanium-substituted metallocarboxylate ligands from the reactions of Ph3SnOH and Ph3GeOH with Os3(CO)12 in the presence of base

Adams, Richard D.; Chen, Mingwei; Trufan, Eszter

doi:10.1016/j.jorganchem.2011.03.008

Cited by 11 publications

(5 citation statements)

References 35 publications

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“…This type of coordination was analogous to that shown previously by Gladysz and co‐workers for a bridging‐CO 2 complex based on a Re/Sn core, though in this case the activated CO 2 did not emerge from the free gas, but through deprotonation of a formate ligand [57] . Somewhat similar results were obtained from a polynuclear species described by Adams that led to an Os(μ‐CO 2 )Sn moiety [58] and for Fe(μ‐CO 2 )Sn structures reported by Cutler [59] …”

Section: Donor‐acceptor Activation Of Co2 By Transition Metal‐main Gr...supporting

confidence: 85%

Donor‐Acceptor Activation of Carbon Dioxide

Pérez‐Jiménez

Corona

Cruz-Martínez

et al. 2023

Chemistry A European J

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The activation and functionalization of carbon dioxide entails great interest related to its abundance, low toxicity and associated environmental problems. However, the inertness of CO2 has posed a challenge towards its efficient conversion to added‐value products. In this review we discuss one of the strategies that have been widely used to capture and activate carbon dioxide, namely the use of donor‐acceptor interactions by partnering a Lewis acidic and a Lewis basic fragment. This type of CO2 activation resembles that found in metalloenzymes, whose outstanding performance in catalytically transforming carbon dioxide encourages further bioinspired research. We have divided this review into three general sections based on the nature of the active sites: metal‐free examples (mainly formed by frustrated Lewis pairs), main group‐transition metal combinations, and transition metal heterobimetallic complexes. Overall, we discuss one hundred compounds that cooperatively activate carbon dioxide by donor‐acceptor interactions, revealing a wide range of structural motifs.

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Section: Donor‐acceptor Activation Of Co2 By Transition Metal‐main Gr...supporting

confidence: 85%

Donor‐Acceptor Activation of Carbon Dioxide

Pérez‐Jiménez

Corona

Cruz-Martínez

et al. 2023

Chemistry A European J

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“…In fact, the carbon monoxide coordination at a nickel(II) center of CODH is still enigmatic. , According to the series of X-ray structural data of CODH, the distorted T-shaped Ni(II) ion supported by three sulfur ligands (two μ 3 -sulfido and one cysteine) has two open coordination sites . The addition of CO can occupy either an apical site to form a pseudotetrahedral geometry or an equatorial site to complete the square-planar geometry. , The new solid-state structure of {(PNP)NiCO} + shows a well-defined cationic square-planar Ni II –CO species, and we were interested in to see if the formation of the −COO– moiety could derive from the Ni–CO species, chemistry which is quite well known with Ru, Ir, Os, and Re but rare with Ni …”

Section: Resultsmentioning

confidence: 99%

Synthesis and Reactivity of Nickel(II) Hydroxycarbonyl Species, NiCOOH-κC

2013

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Reactions of nickel complexes supported by an anionic PNP pincer ligand (PNP − = N[2-P i Pr 2 -4-Me-C 6 H 3 ] 2 ) toward CO 2 and CO are investigated, particularly for interrogating their C−O bond formation/cleavage chemistry.The formation of a nickel formate species (2) was accomplished by the reaction of (PNP)NiH with CO 2 , while the structural isomer complex (PNP)NiCOOH-κC (4) was successfully produced from the corresponding nickel hydroxyl compound by exposing it to CO(g). Its structurally unique character was gleaned by obtaining two solid-state structures for (PNP)NiCOOH-κC (4) and {(PNP)Ni} 2 -μ-CO 2 -κ 2 C,O (6); the latter was obtained from the reaction of 4 with a nickel hydroxyl complex. Both species possess a NiCOO-κC binding mode, which is reminiscent of the binding mode found at the carbon monoxide dehydrogenase (CODH) active site with its Ni−COO− Fe fragment. The cationic species {(PNP)NiCO} + (7) was also prepared via the protonation of 4, which then led to the investigation of the C−O bond formation in 7 by adding a nucleophile such as OH − .

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“…[20] Moreover, metal complexes derived from sulfur-rich ligands display further applicability in electrical conductivity, molecular magnetism, electrochemistry, optoelectronic properties and biological processes. [25] Indeed, organotin moiety is crucial for anticancerity, the sulfur donor ligands play a crucial role in transporting and presenting the molecule to the target and resisting untimely exchange with biomolecules. [25] Indeed, organotin moiety is crucial for anticancerity, the sulfur donor ligands play a crucial role in transporting and presenting the molecule to the target and resisting untimely exchange with biomolecules.…”

Section: Introductionmentioning

confidence: 99%

Binuclear diphenyltin(IV)dithiocarbamate complexes bearing functionalized linkers: Synthesis, spectral characterization, DFT and in vitro anticancer activity

Pillai

Patel

Buch

et al. 2018

Applied Organom Chemis

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A new series of diphenyltin(IV)dithiocarbamate complexes of the type [(Ph2Sn)2‐μ2‐bis{(κ2S,S‐S2CN(R)CH2CONHC6H4)2SO2}] {R = Cy (1), iPr (2), nBu (3)} and [(Ph2Sn)2‐μ2‐bis{(κ2S,S‐S2CN(R)CH2CONH)2C6H4}] {R = Cy (4), iPr (5)} has been efficiently synthesized and characterized by the relevant spectroscopic (1H, 13C, 1H DOSY, 119Sn NMR, ESI MS, UV–visible absorption, IR) and thermogravimetric methods. Density functional theory level calculations have been carried out to reinforce the experimental data. Compounds have been screened for their in vitro anticancer ability against a malignant human tumor HepG2 (hepatoma) cell line by MTT assay. Remarkably, the anticancer activities of binuclear organotin(IV)dithiocarbamate complexes 1–5 are evidently boosted as high as 22‐fold in 1 (3.32 ± 0.14 μM), 44‐fold in 2 (1.77 ± 0.11 μM), 37‐fold in 3 (2.02 ± 0.47 μM), 8 fold in 4 (8.72 ± 0.19 μM) and 29‐fold in 5 (2.60 ± 0.67 μM), compared with the reference drug cisplatin (75.67 ± 0.51 μM). Morphological proofs like shrinking of cells specifies the induction of apoptosis as part of the mechanism of action of these compounds, which is further reinforced by the individual staining of the cells by acridine orange/ethidium bromide.

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Complexes containing bridging tin- and germanium-substituted metallocarboxylate ligands from the reactions of Ph3SnOH and Ph3GeOH with Os3(CO)12 in the presence of base

Cited by 11 publications

References 35 publications

Donor‐Acceptor Activation of Carbon Dioxide

Donor‐Acceptor Activation of Carbon Dioxide

Synthesis and Reactivity of Nickel(II) Hydroxycarbonyl Species, NiCOOH-κC

Binuclear diphenyltin(IV)dithiocarbamate complexes bearing functionalized linkers: Synthesis, spectral characterization, DFT and in vitro anticancer activity

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