Synthesis of C60(OH)18-20 in aqueous alkaline solution under O2-atmosphere

Journal of the Brazilian Chemical Society

Calado, Hállen Daniel¹  Gil, Rossimiriam Pereira de Freitas¹  Alves, Gustavo Catão¹  Universidade Federal de Minas Gerais, Belo Horizonte, Brazil¹  Ladeira, Luiz Orlando¹  Krambrock, Klaus¹  Righi, Ariete¹  Pinheiro, Maurício Veloso B.¹ 

关键词: fullerene;    fullerol;    polyhydroxylation;    FTIR;    NMR;    TG;   

DOI  :  10.1590/S0103-50532006000600017

学科分类：化学（综合）

来源: SciELO

【 摘 要 】

In this work we report on an alternative synthesis of water-soluble fullerenes known as fullerols, aiming for biomedical applications. The synthesis is based on a process in which polyethylene glycol (PEG400) is used as phase-transfer catalyst between fullerene/benzene and aqueous NaOH solutions. The polyhydroxylation of the fullerenes occurs in the NaOH solution under a continuous flow of O2 to enhance the reaction yield. The resulting compound was characterized with infrared spectroscopy, nuclear magnetic resonance, thermo-gravimetric analysis and optical absorption. The formation of C60(OH)18-20 in high yields was confirmed.

【 授权许可】

Unknown