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Synfacts 2006(10): 1007-1007
DOI: 10.1055/s-2006-949369
DOI: 10.1055/s-2006-949369
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York
A Molecular Scoop for Higher Fullerenes
T. Haino*, C. Fukunaga, Y. Fukazawa*
Hiroshima University, Japan
Further Information
Publication History
Publication Date:
21 September 2006 (online)
![](https://www.thieme-connect.de/media/synfacts/200610/lookinside/thumbnails/10.1055-s-2006-949369-1.jpg)
Significance
A macrocycle, which preferably binds higher fullerenes, is synthesized and then used to extract an array of higher fullerenes from a mixture, which is predominantly C60. The macrocycle is formed as a mixture of syn and anti isomers that are easily separated by filtration. The syn conformation forms complexes with higher fullerenes, which can be isolated when they precipitate. Upon heating, the macrocycle host undergoes a conformational change to the anti form, releasing the guest fullerenes.