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With the prosperity of the development of carbon nanorings, certain topologically or functionally unique units‐embedded carbon nanorings have sprung up in the past decade. Herein, we report the facile and efficient synthesis of three cyclooctatetraene‐embedded carbon nanorings (COTCNRs) that contain three (COTCNR1 and COTCNR2) and four (COTCNR3) COT units in a one‐pot Yamamoto coupling. These nanorings feature hoop‐shaped segments of Gyroid (G‐), Diamond (D‐), and Primitive (P‐) type carbon schwarzites. The conformations of the trimeric nanorings COTCNR1 and COTCNR2 are shape‐persistent, whereas the tetrameric COTCNR3 possesses a flexible carbon skeleton which undergoes conformational changes upon forming host–guest complexes with fullerenes (C60 and C70), whose co‐crystals may potentially serve as fullerene‐based semiconducting supramolecular wires with electrical conductivities on the order of 10−7 S cm−1 (for C60⊂COTCNR3) and 10−8 S cm−1 (for C70⊂COTCNR3) under ambient conditions. This research not only describes highly efficient one‐step syntheses of three cyclooctatetraene‐embedded carbon nanorings which feature hoop‐shaped segments of distinctive topological carbon schwarzites, but also demonstrates the potential application in electronics of the one‐dimensional fullerene arrays secured by COTCNR3. [ABSTRACT FROM AUTHOR]

AngewandteA Journal of the German Chemical Society Cover Picture Qing- Hui Guo et al. Cyclooctatetraene- Embedded Carbon Nanorings ACIEFS 63 ( 22) ( 2024) · ISSN 1433– 7851 · Vol. 63 · No. 22 Chemie International Edition www. angewandte. org 2024– 63/ 22 [Extracted from the article]

This article, published in Angewandte Chemie, discusses the synthesis of cyclooctatetraene-embedded carbon nanorings with segments of gyroid, diamond, and primitive-type carbon schwarzites. The researchers describe the efficient synthesis of these nanorings using a naturally bent dibenzo[a,e]-cyclooctatetraene scaffold, which is believed to be a significant step towards the precise synthesis of carbon schwarzites. Additionally, the article includes information on a novel deracemization method using a bifunctional chiral agent strategy and the in-silico screening of near-infrared-emissive polycyclic aromatic hydrocarbons. [Extracted from the article]