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      저자 : Zia Ul Haq Khan (검색결과 1 건)
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        Ionic liquids based fluorination of organic compounds using electrochemical method

        Zia Ul Haq Khan,Yongmei Chen,Dondan Kong,Nawshad Muhammad,Arif Ullah Khan,Faheem Ullah Khan,Kamran Tahir,Aftab Ahmad,Lei Wang,Pingyu Wan 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.31 No.-

        Ionic liquids due to their advantageous properties gain importance in many fields. This study aims tooverview the use of ionic liquids in the selective partial fluorination of organic compounds throughelectrochemical method. In addition to ionic liquid based fluorination, the earlier approaches offluorination through an electrochemical process have also been highlighted. The factors such aselectrode materials (Pt, Ni, and C), types of solvents (CH3CN, DMC, THF, DME, Sulfone, etc.) and type ofelectrolytes (Et3N 3HF, Et3NF 3HF, py HF, etc.) which affect the electrochemical fluorination of organiccompounds have been reviewed. For electrode preparation, the carbon, platinum and nickel wereconsidered suitable materials to be used as an electrode. In CH3CN media, Et3N 3HF and Et4NF 3HFshowed better efficiency during fluorination of organic compounds. Solvent play an important role inelectrochemical fluorination of organic compounds, with the change of solvent the percentage yield ishighly affected. Py-HF is a convenient solvent-supporting electrolyte medium with a reasonably goodconductivity. The electrolyte containing solvents have some side effects on electrochemical fluorinationof organic compounds as observed in cyclic voltammetric analysis. Therefore electrochemicalfluorination to organic compounds without the use of solvent gained more importance. The ionicliquids have been reported for its dual properties, as solvent as well as a fluorinating agent for organiccompounds in electrochemical processes. It has been concluded that solvents free electrochemicalfluorination of organic compounds gives good results as compare to solvent based. Ionic liquids due tomore oxidative stability were noted to have considerable effect on the yield and selectivity of organiccompound fluorination.

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