Publication details

Facile dehalogenation of halogenated anilines and their derivatives using Al-Ni alloy in alkaline aqueous solution



Year of publication 2011
Type Article in Periodical
Magazine / Source Central European Journal of Chemistry
MU Faculty or unit

Faculty of Science

Field Organic chemistry
Keywords Raney Al-Ni alloy; Ortho-alkylated anilines; Waste water treatment; Removal of metals; ICP-OES
Description The article describes the simple hydrodehalogenation of halogenated anilines and their derivatives by the action of Raney aluminium-nickel alloy in aqueous alkaline solution at room temperature. The reaction course was monitored by means of 1H nuclear magnetic resonance spectroscopy and GCMS. The reduction method described was satisfactorily proved for dehalogenation of polyhalogenated anilines in the multiphase dimethoxymethane/aqueous NaOH/Al-Ni reaction mixture. Dehalogenation under multi-phase conditions was demonstrated for the preparation of ortho-alkylated anilines from simply available 2-substituted-4- chloroanilines.

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