Iridium-catalyzed annulation between 1,2-diarylethanone and 3-aminopropanol toward site-specific 2,3-diaryl pyridines |
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| Authors: | Ning Gu Miaochang Liu Hepan Wang Song Sun Zhen Zhou Weiming Hu Jin-Tao Yu Jiang Cheng |
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| Institution: | 1. School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, PR China;2. College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325000, PR China |
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| Abstract: | An iridium-catalyzed annulation between 1,2-diarylethanone and 3-aminopropanol was developed, leading to site specific 2,3-diarylpyridines in moderate yields. 3-Aminopropanol served as both a four-atom component and solvent during this procedure, releasing water as a clean by-product. The reaction may proceed with sequential imine formation, alcohol oxidation and intramolecular cyclization by Knoevenagel reaction. |
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| Keywords: | Iridium-catalyzed Intramolecular cyclization 2 3-Diarylpyridines Knoevenagel reaction |
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