Wang Di, Zhao Chunxue, Zhu Yimin, Zhang Xianyu, Wang Xinyue, An Peng
School of Chemical Science and Technology & Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan University, Kunmimg, 650500, PR China.
Chemistry. 2024 Dec 10;30(69):e202402723. doi: 10.1002/chem.202402723. Epub 2024 Oct 29.
A curved nanographene, conceptually by insertion of nitrogen into a trapezoidal planar nanographene at the edge was synthesized by π-extension of the nitrogen-doped hexa-peri-hexabenzocoronene. This N-doped nanographene exhibited a π-electronic concave face containing a nonaromatic azepine ring in the middle with a size of 14.0 Å length and 4.0 Å depth, which represents an unprecedented half-side concave geometry of curved nanographene. The bent π-extension exhibited a low degree of conjugation suggested by calculation results. Due to the unique 3D structure and electron-rich property, this nanographene showed pronounced intermolecular charge transfer with C.
通过氮掺杂六并六苯并蔻的π-扩展合成了一种弯曲的纳米石墨烯，从概念上讲，是通过在边缘将氮插入梯形平面纳米石墨烯中实现的。这种氮掺杂的纳米石墨烯表现出一个π电子凹面，中间含有一个非芳香氮杂环庚三烯环，尺寸为长度14.0 Å和深度4.0 Å，这代表了弯曲纳米石墨烯前所未有的半侧凹几何形状。计算结果表明，弯曲的π-扩展表现出较低的共轭程度。由于其独特的三维结构和富电子特性，这种纳米石墨烯与C表现出明显的分子间电荷转移。
