Indian Journal of Chemical Technology

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Functionalization of Fullerene with 4-benzo-9-crown-3 ether


Affiliations
1 Department of Chemistry, Farhangian University, Tehran, Iran, Islamic Republic of
2 Department of Chemistry, Payame Noor University, P.O. Box 19395-3697 Tehran, Iran, Islamic Republic of
 

Functionalization of fullerene via covalent addition of substituted 4-benzo-9-crown-3 ether diazonium salt has been described. This procedure is used for the preparation of new derivative fullerenes which is described as a phase transfer catalyst. The covalent grafting has led to a considerable increment in the solubility of fullerene in organic solvents such as, CH<sub>2</sub>Cl<sub>2</sub>, acetone and ethanol. The covalent grafting of crown ether (4-(benzo-9-crown-3)) to fullerene (Fullerene-CE) has been identified and confirmed by IR, H-NMR, <sup>7</sup>Li-NMR and thermogravimetric analysis (TGA) methods. Fullerene-CE in solvents has been used as a phase transfer catalyst for organic reactions. The Fullerene-CE is capable to become the Li<sup>+</sup> host.

Keywords

Covalent Grafting, Crown Ether, Fullerene, Functionalization, Phase Transfer Catalyst.
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  • Functionalization of Fullerene with 4-benzo-9-crown-3 ether

Abstract Views: 122  |  PDF Views: 92

Authors

Maryam kiani Borazjani
Department of Chemistry, Farhangian University, Tehran, Iran, Islamic Republic of
Hamid Moji
Department of Chemistry, Payame Noor University, P.O. Box 19395-3697 Tehran, Iran, Islamic Republic of

Abstract


Functionalization of fullerene via covalent addition of substituted 4-benzo-9-crown-3 ether diazonium salt has been described. This procedure is used for the preparation of new derivative fullerenes which is described as a phase transfer catalyst. The covalent grafting has led to a considerable increment in the solubility of fullerene in organic solvents such as, CH<sub>2</sub>Cl<sub>2</sub>, acetone and ethanol. The covalent grafting of crown ether (4-(benzo-9-crown-3)) to fullerene (Fullerene-CE) has been identified and confirmed by IR, H-NMR, <sup>7</sup>Li-NMR and thermogravimetric analysis (TGA) methods. Fullerene-CE in solvents has been used as a phase transfer catalyst for organic reactions. The Fullerene-CE is capable to become the Li<sup>+</sup> host.

Keywords


Covalent Grafting, Crown Ether, Fullerene, Functionalization, Phase Transfer Catalyst.

References