Sodium Tungstate Dihydrate-XIV

g) Halogenation of aromatic compounds

The regioselective halogenation of some aromatic substrates using KCl or KBr in the presence of sodium perborate (SPB) as oxidant and sodium tungstate dihydrate as catalyst, is an environmentally friendly catalytic halogenation procedure, which can provide good yields(up to 92%) under mild conditions.


 

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