Fe3O4@SiO2-SO3H as a highly active catalyst for the rapid diazotization reaction and synthesis of azo-dyes under solvent-free conditions by a grinding method at room temperature is described.
Fe3O4@SiO2-SO3H作为一种高活性催化剂,可在无溶剂条件下通过在室温下研磨法进行快速重氮化反应和偶氮
染料合成。