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In a new approach, parahydrogen\u2010induced polarization (PHIP) is applied to enhance <jats:sup>19<\/jats:sup>F\u2005MR signals of (perfluoro\u2010<jats:italic>n<\/jats:italic>\u2010hexyl)ethene and (perfluoro\u2010<jats:italic>n<\/jats:italic>\u2010hexyl)ethane. Unexpectedly, the end\u2010standing CF<jats:sub>3<\/jats:sub> group exhibits the highest amount of polarization despite the negligible coupling to the added protons. To clarify this non\u2010intuitive distribution of polarization, signal enhancements in deuterated chloroform and acetone were compared and <jats:sup>19<\/jats:sup>F\u2013<jats:sup>19<\/jats:sup>F\u2005NOESY spectra, as well as <jats:sup>19<\/jats:sup>F <jats:italic>T<\/jats:italic><jats:sub>1<\/jats:sub> values were measured by NMR spectroscopy. By using the well separated and enhanced signal of the CF<jats:sub>3<\/jats:sub> group, first <jats:sup>19<\/jats:sup>F\u2005MR images of hyperpolarized linear semifluorinated alkenes were recorded.<\/jats:p>","DOI":"10.1002\/chem.201203455","type":"journal-article","created":{"date-parts":[[2013,3,23]],"date-time":"2013-03-23T05:11:35Z","timestamp":1364015495000},"page":"6334-6339","source":"Crossref","is-referenced-by-count":35,"title":["Parahydrogen\u2010Induced Polarization Transfer to <sup>19<\/sup>F in Perfluorocarbons for <sup>19<\/sup>F\u2005NMR Spectroscopy and 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