8-nitro-1,4-naphthoquinone-1-oxime 、
5-nitro-1,4-naphthoquinone-1-oxime 、 、
5-Nitro-4-amino-1-naphthol 在
铁燧石 5-硝基萘-1,4-二酮 作用下,
以the corresponding salt, optionally without intermediate isolation, at a temperature in the range of from -10° to 100°C to form the desired 5-nitro-1,4-naphthoquinone的产率得到5-硝基萘-1,4-二酮