The description of preparative methods for the synthesis of 5- arylfuran- 2,3- diones by known methods is given, and a new convenient method for the synthesis of 5- arylfuran- 2,3- diones is described. The synthesis was performed by refluxing 4- aryl- 2,4- dioxobutanio acid with acetyl bromide. The structure of 5- (4- methoxyphenyl)furan- 2,3- dione is confirmed by X- ray.
A.O. Derevnina (Wed,) studied this question.