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. 2020 Nov 6;10(66):40406-40410.
doi: 10.1039/d0ra09067k. eCollection 2020 Nov 2.

An orifice design: water insertion into C60

Yoshifumi Hashikawa  1 , Kazuro Kizaki  1 , Takashi Hirose  1 , Yasujiro Murata  1
Affiliations

An orifice design: water insertion into C60

Yoshifumi Hashikawa et al. RSC Adv. .

Abstract

Using an open-cage C60 derivative possessing an orifice designed on the basis of computational studies, we have experimentally demonstrated the quantitative encapsulation of H2O as well as effective conversion into H2O@C60 in an overall yield remarkably higher than the previously reported methods by ca. 2-5 times.

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Conflict of interest statement

There are no conflicts to declare.

Figures

Fig. 1
Fig. 1. Retrosynthetic route for endohedral fullerenes (Py: 2-pyridyl group).
Fig. 2
Fig. 2. Single crystal X-ray structure of H2O@3f with showing thermal ellipsoids in 50% probability (left) and disordered structures coloured with pink and light blue for major and minor parts, respectively (right). The benzene molecules co-crystallized with H2O@3f are omitted for clarity.
Scheme 1
Scheme 1. Synthesis of H2O@C60 from 2f (160 mg).
See this image and copyright information in PMC

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