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Vijaykumar, B. V. D.,Premkumar, B.,Jang, Kiwan,Choi, Bong-In,Falck, J. R.,Sheldrake, G. N.,Shin, Dong-Soo The Royal Society of Chemistry 2014 GREEN CHEMISTRY Vol.16 No.5
<P>The design and synthesis of hemi-fluorinated perfluorooctanesulfonic acid (PFOS) alternatives is described using a Zn/CuI mediated Michael-type addition reaction in ionic liquids considering environmentally benign reaction conditions as well as products. One of the new potassium sulfonates showed promising surface tension activities when compared to that of the PFOS potassium salt.</P> <P>Graphic Abstract</P><P>Michael-type addition in imidazolium ionic liquids for the synthesis of bio-degradable and efficient alternatives to perfluorooctanesulfonic acid. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c3gc42642d'> </P>