Method for preparing 5-bromobenzo [D] [1, 3] dioxo-4-amine

The invention provides a method for preparing 5-bromobenzo [D] [1, 3] dioxo-4-amine, and belongs to the field of chemical synthesis. Compared with a method for preparing the 5-bromobenzo [D] [1, 3] dioxo-4-amine in the prior art, on one hand, the method for preparing the 5-bromobenzo [D] [1, 3] dioxo-4-amine is safe to operate, use of an expensive DPPA reagent is avoided, raw materials adopted by the method are low in price, and the production cost is reduced; on the other hand, the 5-bromobenzo [D] [1, 3] dioxo-4-amine prepared by the method disclosed by the invention is high in purity and high in yield, and is suitable for large-scale synthesis of the 5-bromobenzo [D] [1, 3] dioxo-4-amine. 本发明提供了一种制备5-溴苯并[D][1,3]二氧-4-胺的方法，属于化学合成领域。与现有技术中制备5-溴苯并[D][1,3]二氧-4-胺的方法相比，一方面，本发明制备5-溴苯并[D][1,3]二氧-4-胺的方法操作安全，避免了对价格昂贵的DPPA试剂的使用，本发明采用的原料价格低廉，降低了生产成本；另一方面，利用本发明方法制得的5-溴苯并[D][1,3]二氧-4-胺纯度高，收率高，适合用于大规模合成5-溴苯并[D][1,3]二氧-4-胺。