AI Article Synopsis
- The synthesis of buckybowls is complicated due to strain from their curved structures, but this paper introduces two new compounds called trichalcogenasupersumanenes, which are made using sulfur or selenium.
- These compounds are quickly synthesized in three steps: Aldol cyclotrimerization, Scholl oxidative cyclization, and Stille reaction.
- X-ray crystallography shows their size (bowl diameters and depths) and reveals that one variant can form complexes with fullerenes through specific interactions.
Article Abstract
Synthesis of buckybowls have stayed highly challenging due to the large structural strain caused by curved π surface. In this paper, we report the synthesis and properties of two trichalcogenasupersumanenes which three chalcogen (sulfur or selenium) atoms and three methylene groups bridge at the bay regions of hexa-peri-hexabenzocoronene. These trichalcogenasupersumanenes are synthesized quickly in three steps using an Aldol cyclotrimerization, a Scholl oxidative cyclization, and a Stille type reaction. X-ray crystallography analysis reveals that they encompass bowl diameters of 11.06 Å and 11.35 Å and bowl depths of 2.29 Å and 2.16 Å for the trithiasupersumanene and triselenosupersumanene, respectively. Furthermore, trithiasupersumanene derivative with methyl chains can form host-guest complexes with C or C, which are driven by concave-convex π ⋯ π interactions and multiple C-H ⋯ π interactions between bowl and fullerenes.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10257710 | PMC |
| http://dx.doi.org/10.1038/s41467-023-39086-0 | DOI Listing |
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