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fluorous chemistry
Fluorous chemistry involves the use of perfluorinated compounds or perfluorinated substituents to facilitate recovery of a catalyst or reaction product. Perfluorinated groups impart unique physical properties including high solubility in perfluorinated solvents. This property can be useful in organic synthesis and separation methods such as solid phase extraction.〔István T. Horváth (Ed.) Topics in Current Chemistry 2011 "Fluorous Chemistry" 〕 In practice, a perfluorinated alkyl group is incorporated into an otherwise conventional organic reagent as an affinity tag. These reagents can then be separated from organic solvents by extraction with fluorinated solvents such as perfluorohexane.
==Applications==
The utility of fluorous chemistry hinges on the partitioning modality distinct from polar/non-polar or hydrophilic/hydrophobic. A major application of fluorous chemistry involves the use of fluorosurfactant perfluorooctanoic acid (PFOA) to facilitate the production of Teflon. The technology is controversial because of the slow rates of biodegradation of such compounds.
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