2-deoxy-2 -(1, 3-dihydro-1, 3-dioxo-2h-isoindole-2-yl) -α-D-glucopyranoyl azide 3, 4, 6-triacetate is an important intermediate for drug synthesis. It is used to synthesize some specific drugs, which are commonly used to treat various diseases, such as cancer, viral infections, etc