Synthesis and Characterization of a Water-Soluble Endohedral Metallofullerol

Sun, Duixiong; Huang, Hao; Yang, Shihe; Liu, Ziyang; Liu, Shuying

doi:10.1021/cm980669t

Cited by 33 publications

(21 citation statements)

References 39 publications

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“…[84] During the same year, the water-soluble endohedral metallofullerenol Pr@C 82 O m (OH) x (m % 10 and x % 10) was prepared from pure Pr@C 82 and concentrated nitric acid, followed by hydrolysis. This metallofullerenol was characterized by FTIR spectroscopy, XPS, and LD-TOF MS. [85] Shinohara and co-workers used a phase-transfer reaction to obtain the metallofullerenols M@C 82 (OH) x (M = Gd, La, Ce, Dy, Er). [86] Dorn and co-workers synthesized …”

Section: Hydroxylation Reactionsmentioning

confidence: 99%

Chemical, Electrochemical, and Structural Properties of Endohedral Metallofullerenes

et al. 2009

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Ever since the first experimental evidence of the existence of endohedral metallofullerenes (EMFs) was obtained, the search for carbon cages with encapsulated metals and small molecules has become a very active field of research. EMFs exhibit unique electronic and structural features, with potential applications in many fields. Furthermore, functionalized EMFs offer additional potential applications because of their higher solubility and their ease of characterization by X-ray crystallography and other techniques. Herein we review the general field of EMFs, particularly of functionalized EMFs. We also address their structures and their (electrochemical) properties, as well as applications of these fascinating compounds.

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Section: Hydroxylation Reactionsmentioning

confidence: 99%

Chemical, Electrochemical, and Structural Properties of Endohedral Metallofullerenes

et al. 2009

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“…Auch über die Synthese des wasserlöslichen endohedralen Metallofullerenols Pr@C 82 O m (OH) x ( m ≈10 und x ≈10) aus reinem Pr@C 82 und konzentrierter Salpetersäure mit anschließender Hydrolyse wurde berichtet. Die Verbindung wurde durch FTIR‐Spektroskopie, XPS und LD‐TOF‐MS charakterisiert 85…”

Section: Chemische Funktionalisierungunclassified

Chemische, elektrochemische und Struktureigenschaften von endohedralen Metallofullerenen

et al. 2009

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Seit dem ersten Fund von endohedralen Metallofullerenen (EMFs) hat sich die Suche nach Kohlenstoffkäfigen mit eingeschlossenen Metallen oder kleinen Molekülen rasch zu einem sehr aktiven Forschungsgebiet entwickelt. EMFs weisen besondere elektronische und Struktureigenschaften auf und finden vielfache Anwendungsmöglichkeiten. Noch mehr Potenzial bieten funktionalisierte EMFs, die besser löslich sind und durch Röntgenkristallographie und andere Techniken leicht charakterisiert werden können. Wir geben hier eine Übersicht über das allgemeine Gebiet der EMFs und insbesondere der funktionalisierten EMFs. Wir befassen uns in diesem Aufsatz mit der Struktur und den (elektrochemischen) Eigenschaften dieser faszinierenden Verbindungen und werden auch auf Anwendungen eingehen.

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“…F1 and F2 were produced by fullerene hydroxylation in nitric acid followed by the hydrolysis of the polynitrofullerenes [15,[57][58][59]. Preparation of F2 involved 60% of С60Оy(OH)x and 40% of С70Оy(OH)x. Fullerenes were preliminary synthesized by carbon helium high-frequency arc plasma at atmospheric pressure [58,60].…”

Section: Preparations Of Fullerenolsmentioning

confidence: 99%

“…The solid residue of fullerenes was washed with water and used as a precursor in the synthesis of polyhydroxylated fullerenes (fullerenols). F3 was produced by precursor hydroxylation in nitric acid followed by the hydrolysis of the polynitrofullerenes [15,[57][58][59].…”

Section: Preparations Of Fullerenolsmentioning

confidence: 99%

Antioxidant Activity and Toxicity of Fullerenols with Different Number of Hydroxyl Substituents

Kovel¹,

Sachkova²,

Vnukova³

et al. 2018

Preprint

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Fullerenols are nanosized water-soluble polyhydroxylated derivatives of fullerenes, specific allotropic form of carbon, bioactive compounds and perspective pharmaceutical agents. We studied biological effects of a series of fullerenols. Antioxidant activity and toxicity of the fullerenols were compared using bioluminescence assays (cellular and enzymatic); a content of Reactive Oxygen Species in fullerenol solutions was determined using chemiluminescence luminol method. Two groups of fullerenols with different number of hydroxyl substituents were under investigation: (I) С60Оy(OH)x, С60,70Оy(OH)x, where х+у=24–28 and (II) С60,70Оy(OH)x, Fe0,5С60Оy(OH)x, where х+у=40–42. Toxicity of the fullerenols was evaluated using effective concentrations ЕС50. Fullerenol’ antioxidant activity was investigated in model solutions of organic toxicant of oxidative type, 1,4-benzoquinone. Detoxification coefficients were calculated to analyze and compare the antioxidant activity. Higher toxicity and lower antioxidant activity were demonstrated in the solutions of fullerenols with higher number of the oxygen substituents (х+у=40–42). The differences were concerned with fullerenol’ ability to disturb Reactive Oxygen Species balance in aqueous solutions. Toxic effect of the prospective endohedral metal-fullerenol with gadolinium atom involved, Gd@C82Oy(OH)x, where х+у=40–42, was evaluated and explained by a high number of oxygen groups

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Synthesis and Characterization of a Water-Soluble Endohedral Metallofullerol

Cited by 33 publications

References 39 publications

Chemical, Electrochemical, and Structural Properties of Endohedral Metallofullerenes

Chemical, Electrochemical, and Structural Properties of Endohedral Metallofullerenes

Chemische, elektrochemische und Struktureigenschaften von endohedralen Metallofullerenen

Antioxidant Activity and Toxicity of Fullerenols with Different Number of Hydroxyl Substituents

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