Facile synthesis of novel [1,3]oxazino[2,3-c][1,2,4] thiadiazin-12-one derivatives |
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| Authors: | Jiaying Yan Yang Zhou Nuonuo Zhang Hui Chen Xiafeng He Shuzhang Xiao Kaibo Zheng |
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| Affiliation: | 1.Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, College of Materials and Chemical Engineering,China Three Gorges University,Yichang,People’s Republic of China;2.College of Biological and Pharmaceutical Sciences,China Three Gorges University,Yichang,People’s Republic of China |
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| Abstract: | Several novel fused heterocyclic systems which have rings containing N/O or N/S have been synthesized through a facile one-pot method by the treatment of substituted 2-(benzo[d]thiazol-2-yl)phenol and cyanogen bromide in THF and NEt3. This one-pot method contains tough ring-opening of thiazole, special intermolecular rearrangement and ring-closing reactions. The newly synthesized compounds were characterized by HR-MS, 1H-NMR, 13C-NMR spectral data and DFT calculation analysis. 2a was also determined by X-ray crystallographic analysis. |
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