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| Design and synthesis of the novel branched fluorinated surfactant intermediates with CF3CF2CF2C(CF3)2 group |
| Ding Zhanga,b, Min Shac, Renming Pana, Xiangyang Lina, Ping Xingb, Biao Jianga,b |
a School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China;
b CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China;
c School of Management Science & Engineering, Nanjing University of Finance & Economics, Nanjing 210046, China |
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| Guide Here we reported a novel and efficient method for the synthesis of the critical intermediates of branched fluorinated surfactants with CF3CF2CF2C (CF3)2- group using HFPD as starting material. The reaction conditions were mild and easy to handle, which was promisingly applied to the industrial production. |
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Abstract Perfluorooctanoic acid (PFOA) or perfluorooctane sulphonate (PFOS) was one of the most prominent fluorosurfactants and applied widely in firefighting and daily chemical, etc. However, these surfactants have recently been identified as toxic and undegradability in the environment. Developing an efficient approach to environment-friendly fluorosurfactants is essential. A fluorocarbon branched chain strategy was adopted to develop /PFOS substitutes. A series of intermediates of novel branched fluorinated surfactants with CF3CF2CF2C(CF3)2 group were synthesized from perfluoro-2-methyl-2-pentene. All the steps were mild, easy-handled and cheap. It is expected to be a very significant direction for the development of non-bioaccumulable alternatives of PFOA or PFOS.
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Received: 16 September 2018
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| Fund:This project was supported by the National Natural Science Foundation of China (No. 2167020782). |
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Corresponding Authors:
Xiangyang Lin, Ping Xing, Biao Jiang
E-mail: linxiangyang@njust.edu.cn;xingping@mail.sioc.ac.cn;jiangb@mail.sioc.ac.cn
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