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- W4321235287 abstract "Ortho-functionalized azobenzenes are much sought after molecular switches. They may be turned to absorb in the visible range of light and in many cases, the Z-isomer have very high thermal half-lives. However, methods to introduce substituents in ortho-position are still rare. This work presents the synthesis of azobenzenes with an iodine(III) moiety in the ortho-position. This novel class of diaryliodonium salts is demonstrated to efficiencly arylate oxygen, nitrogen, carbon and sulfur nucleophiles under metal-free conditions. Selective transfer of the azobenzene moiety to the nucleophile gives access to an unprecendented range of ortho-substituted azobenzenes. In addition, the structure of these versatile reagents has been analyzed by X-ray crystallography and their photo-switching properties were investigated by NMR and UV-vis spectroscopy." @default.
- W4321235287 created "2023-02-18" @default.
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- W4321235287 date "2023-02-17" @default.
- W4321235287 modified "2023-10-01" @default.
- W4321235287 title "Ortho-Functionalization of Azobenzenes via Hypervalent Iodine Reagents" @default.
- W4321235287 doi "https://doi.org/10.26434/chemrxiv-2023-zn285" @default.
- W4321235287 hasPublicationYear "2023" @default.
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