Dediazoning
Under dediazoniation is meant the reduction of aryl diazonium salts , with the replacement of the diazonium function by hydrogen. Phosphinic acid (H 3 PO 2 ), ethanol , dimethylformamide , 1,4-dioxane , tetrahydrofuran and the like were used as reducing agents . a. used.
In ethers performed as a solvent and a reducing agent, is this reaction Meerwein reduction . The dashed arrows in the following reaction scheme represent possible start reactions of this radical reaction (Ary = aryl radical ):
