Synthesis of Stable Derivatives of C<sub>62</sub>: The First Nonclassical Fullerene Incorporating a Four-Membered Ring
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A rational synthetic approach to the first four-membered ring-containing derivatives of C62 is reported. They were synthesized by an inverse electron demand Diels−Alder reaction of 3,6-diaryl-1,2,4,5-tetrazines with C60 in o-dichlorobenzene, followed by visible light irradiation at reflux. The structure of these nonclassical fullerenes derivatives was determined by X-ray single-crystal diffraction.
创建时间:
2016-08-18



