期刊
CHEMICAL SCIENCE
卷 11, 期 6, 页码 1503-1509出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9sc05332h
关键词
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资金
- National Natural Science Foundation of China [21572188, 21772162, 21772165]
- Natural Science Foundation of Fujian Province of China [2018J01014]
- Fundamental Research Funds for the Central Universities [20720180031]
Largely pi-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 (S-3 ˙(-))-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 S-3 ˙(-). A detailed mechanistic study of these stitching thienannulations unveiled the multiple reactivities of S-3 ˙(-). 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.
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