期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 142, 期 9, 页码 4162-4172出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.9b10203
关键词
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资金
- Spanish Ministry of Economy and Competitiveness MINECO [CTQ2017-83531-R, CTQ2016-78205-P, CTQ2016-81797-REDC, CTQ2016-81911-REDT, CTQ2017-84327-P]
- Spanish Ministry of Economy and Competitiveness MINECO (Centro de Excelencia Severo Ochoa) [SEV-2016-0686]
- CAM (QUIMTRONIC) [Y2018/NMT-4783]
- Deutsche Forschungsgemeinschaft (DFG) [SFB 953]
Two novel homo and hetero three-dimensional nanographenes, NG1 and NG2, featuring a cyclooctatetraene core are designed, synthesized, and characterized. A concise and efficient bottom-up methodology was employed during which 24 new carbon carbon bonds were formed. By means of a Scholl reaction nanographenes with 53 fused rings are realized, which exhibited good solubility in common organic solvents. The resulting saddle-like structures of NG1 and NG2 are electron-rich and show good chemical and electrochemical stability. Their molecular structures are fully elucidated by single-crystal X-ray crystallography. From their crystal structure analysis is concluded that both nanographenes are chiral and crystallize as a racemic mixture. Our work was rounded-off by excited state investigations such as electron and energy transfer with electron-acceptors and -donors.
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