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Trisulfur radical anion-triggered stitching thienannulation: rapid access to largely π-extended thienoacenes†
Chemical Science ( IF 9.969 ) Pub Date : 2023-02-15 , DOI: 10.1039/c9sc05332h Feng Su, Shuqi Chen, Xiaogang Mo, Kongchuan Wu, Jiajun Wu, Weidong Lin, Zhiwei Lin, Jianbin Lin, Hui-Jun Zhang, Ting-Bin Wen
Chemical Science ( IF 9.969 ) Pub Date : 2023-02-15 , DOI: 10.1039/c9sc05332h Feng Su, Shuqi Chen, Xiaogang Mo, Kongchuan Wu, Jiajun Wu, Weidong Lin, Zhiwei Lin, Jianbin Lin, Hui-Jun Zhang, Ting-Bin Wen
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Largely π-extended rylene diimide-fused thienoacenes, a new family of fully fused electron donor–acceptor (D–A) molecules, have been readily synthesized by a novel trisulfur radical anion (S3˙−)-triggered stitching thienannulation strategy. The ladder-type fused thiophene cores are constructed in a stitching manner through multiple carbon–sulfur bond formation between acetylenic rylene dyes and S3˙−. A detailed mechanistic study of these stitching thienannulations unveiled the multiple reactivities of S3˙−. Physical properties of the newly formed D–A, A–D–A, and D–A–D type thienoacenes have also been investigated, which revealed their precisely controllable electronic properties.
更新日期：2020-01-02
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