Synthesis, Photophysical and Supramolecular Properties of a π-Conjugated Molecular Crown Containing a Pentagonal Unit: A Model Compound for Fullerene C240

被引：7

作者：

Huang, Qiang ^{[1
]}

Wu, Yayu ^{[1
]}

Zhou, Yu ^{[1
]}

Liu, Huiqing ^{[1
]}

Wang, Jinyi ^{[1
]}

Wang, Shengda ^{[1
]}

Du, Pingwu ^{[1
]}

机构：

[1] Univ Sci & Technol China USTC, IChEM Collaborat Innovat Ctr Chem Energy Mat, Hefei Natl Lab Phys Sci Microscale, Dept Mat Sci & Engn,CAS Key Lab Mat Energy Conver, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

来源：

SYNTHESIS-STUTTGART | 2020年 / 52卷 / 17期

基金：

中国国家自然科学基金;

关键词：

carbon onion; fullerenes; macrocycles; bottom-up synthesis; supramolecular chemistry; CORANNULENE; REACTIVITY; NETWORKS; CLOSURE; C-70;

D O I：

10.1055/s-0040-1707963

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The total synthesis of carbon onions is a significant challenge in the fields of materials science and organic chemistry. To date, the synthesis of even a fragment of fullerene C(240)and its smallest carbon onion C-60@C(240)remains poorly explored. Herein, we demonstrate a bottom-up strategy to produce a novel pi-extended molecular crown-shaped molecule (MC3) containing curved pentagonal and hexagonal units. This molecular crown represents a curved model compound for fullerene C(240)and is fully characterized by NMR, mass spectrometry, UV-vis absorption, and from its emission spectra. Its supramolecular host-guest interaction with fullerene C(60)is also investigated. MC3 and C-60@MC3 can potentially be employed as seeds or templates for the bottom-up synthesis of fullerene C(240)and the carbon onion C-60@C-240, respectively.

引用

页码：2535 / 2540

页数：6

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