The chemoselectivity of the reaction is noteworthy, as the presence of a halide (bromide or chloride) on the aromatic ring furnishes the triazole 5 as the sole reaction product.

• 值得注意的化学反应的；作为一个在场的卤化物(溴化物或氯化物)的芳香环唑5作为唯一证据的反应产物.