124511-82-6Relevant articles and documents
Method for preparing 3,6-dihydroxyphthalimide
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, (2018/01/09)
The invention discloses a method for preparing 3,6-dihydroxyphthalimide. According to the method disclosed by the invention, the 3,6-dihydroxyphthalimide is obtained by taking 3,6-dihydroxyphthalonitrile, acetic anhydride and urea as main raw materials through three steps of reaction. The method provided by the invention has the advantages that a process is simple, convenient and stable to operate; a product of each step is easy to separate, has high yield and is environmentally friendly and the comprehensive yield is 85 percent or more; the raw materials are cheap and easy to obtain and the production cost is greatly reduced so that industrial large-scale production is facilitated.