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Jayachandran Jayakumar Guganchandar Vedarethinam Huan‐Chang Hsiao Shang‐You Sun Shih‐Ching Chuang 《Angewandte Chemie (International ed. in English)》2020,59(2):689-694
Quaternary ammonium salts were synthesized in moderate to good yields through double oxidative C?H bond activation on azobenzenes. The mechanism of the highly regioselective reaction of 2‐azobiaryls with alkenes to give orange‐red‐fluorescent cinnolino[2,3‐f]phenanthridin‐9‐ium salts and 15H‐cinnolino[2,3‐f]phenanthridin‐9‐ium‐10‐ide is proposed to involve ortho C?H olefination of the 2‐azobiaryl compound with the alkene, intramolecular aza‐Michael addition, concerted metalation–deprotonation (CMD), reductive elimination, and oxidation. 相似文献
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Dr. Jayachandran Jayakumar Guganchandar Vedarethinam Huan-Chang Hsiao Shang-You Sun Prof. Dr. Shih-Ching Chuang 《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2020,132(2):699-704
Quaternary ammonium salts were synthesized in moderate to good yields through double oxidative C−H bond activation on azobenzenes. The mechanism of the highly regioselective reaction of 2-azobiaryls with alkenes to give orange-red-fluorescent cinnolino[2,3-f]phenanthridin-9-ium salts and 15H-cinnolino[2,3-f]phenanthridin-9-ium-10-ide is proposed to involve ortho C−H olefination of the 2-azobiaryl compound with the alkene, intramolecular aza-Michael addition, concerted metalation–deprotonation (CMD), reductive elimination, and oxidation. 相似文献
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