Aminobromination of Ethyl α-Cyanocinnamate Derivatives with 1,3-Dibromo-5,5-dimethylhydantoin(DBDMH) as Nitrogen and Halogen Sources |
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| Authors: | CHEN Zhanguo LIU Yali HU Junli LIU De'e |
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| Institution: | Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China |
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| Abstract: | 1,3-Dibromo-5,5-dimethylhydantoin(DBDMH) was found to be a new and efficient nitrogen/halogen source for the aminobromination of ethyl α-cyanocinnamate derivatives catalyzed by K3PO4. The reaction afforded the aminobrominated products in high yields at room temperature, and the full regiospecificity of all the products were achieved. A possible pathway involving a Michael addition for this aminobromination was suggested. |
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| Keywords: | Aminobromination Ethyl α-cyanocinnamate derivative 1 3-Dibromo-5 5-dimethylhydantoin(DBDMH) |
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