Highly Efficient Oxidative Bromination of Alkanes with the HBr-H2O2 System in the Presence of Catalyst |
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Authors: | Yujin Li Jie Ju Jianhong Jia Weijian Sheng Liang Han Jianrong Gao |
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Institution: | The State Key Laboratory and Incubator of Green Chemistry‐Synthesis Technology, Zhejiang University of Technology, Hangzhou 310032, China |
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Abstract: | Various cycloalkanes and straight‐chain alkanes were efficiently brominated with an aqueous HBr‐H2O2 system. This oxidative brominating process was promoted by catalysis and irradiation with light. The cycloalkanes were converted to the corresponding bromo‐cycloalkanes in moderate yields and the straight‐chain alkanes produced dominantly secondary bromides. This simple but effective bromination method of alkanes is characterized by high atom efficiency, inexpensive reagents and the absence of organic waste, which make it a good alternative to the existing method for C? H activation through bromination. |
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Keywords: | oxidative bromination alkane H2O2‐HBr C?H activation |
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