Visible-Light-Promoted Iminyl-Radical Formation from Acyl Oximes: A Unified Approach to Pyridines, Quinolines, and Phenanthridines
العنوان: | Visible-Light-Promoted Iminyl-Radical Formation from Acyl Oximes: A Unified Approach to Pyridines, Quinolines, and Phenanthridines |
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المؤلفون: | Tianyi Zheng, Kun Tong, Heng Jiang, Shouyun Yu, Yan Zhang, Xiao-De An |
المصدر: | Angewandte Chemie. 127:4127-4131 |
بيانات النشر: | Wiley, 2015. |
سنة النشر: | 2015 |
مصطلحات موضوعية: | Free Radicals, Light, Phenanthridine, Pyridines, General Chemistry, General Medicine, Electrophilic aromatic substitution, Photochemical Processes, Medicinal chemistry, Catalysis, Phenanthridines, Homolysis, chemistry.chemical_compound, Alkaloids, chemistry, Yield (chemistry), Intramolecular force, Oximes, Quinolines, Radical formation, Organic chemistry, Imines, Visible spectrum |
الوصف: | A unified strategy involving visible-light-induced iminyl-radical formation has been established for the construction of pyridines, quinolines, and phenanthridines from acyl oximes. With fac-[Ir(ppy)3 ] as a photoredox catalyst, the acyl oximes were converted by 1 e(-) reduction into iminyl radical intermediates, which then underwent intramolecular homolytic aromatic substitution (HAS) to give the N-containing arenes. These reactions proceeded with a broad range of substrates at room temperature in high yield. This strategy of visible-light-induced iminyl-radical formation was successfully applied to a five-step concise synthesis of benzo[c]phenanthridine alkaloids. |
تدمد: | 0044-8249 |
الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0bab586aa4494f6e5a8c0eca0e8da8afTest https://doi.org/10.1002/ange.201411342Test |
حقوق: | CLOSED |
رقم الانضمام: | edsair.doi.dedup.....0bab586aa4494f6e5a8c0eca0e8da8af |
قاعدة البيانات: | OpenAIRE |