| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing tetrabromophthalic anhydride via bromation of phthalic anhydride with molecular bromine in a medium of a concentrated inorganic acid in the presence of an oxidising agent while heating, wherein in order to simplify the process, the inorganic acid and oxidising agent used are 95-100% nitric acid, and the process is carried out at 45-70°C, followed by separation of the end product using known methods.EFFECT: method lowers the process temperature and enables highly selective bromation.2 cl, 1 tbl, 7 ex |
