期刊
CHEMICAL COMMUNICATIONS
卷 59, 期 48, 页码 7379-7382出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3cc02157b
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We synthesized and characterized hexabenzo[5.6.7]quinarene, a compound composed of anthraquinodimethane (AQD) core with fluorenyl and dibenzosuberenyl end-caps. The compound exists as a stable folded form due to strong intramolecular spin-spin interaction through the central AQD unit. By oxidation and reduction of the dication, a twisted triplet species is obtained, which thermally reverts to the folded form. This is a spin-switching system using a combination of chemical oxidation/reduction and thermal stimulation.
We describe the synthesis and characterization of hexabenzo[5.6.7]quinarene, which is composed of an anthraquinodimethane (AQD) central core that is end-capped with fluorenyl and dibenzosuberenyl groups. Due to strong intramolecular spin-spin interaction through the central AQD unit, this compound is obtained as a stable folded form. Isolation of the stable twisted dication by oxidation and reduction of the dication yields a twisted triplet species, which thermally reverts to the folded form. This is a spin-switching system based on a combination of chemical oxidation/reduction and thermal stimulation.
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