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8222307 
Journal Article 
Dibromo isocyanuric acid as an ionic brominating agent, II: Perbrominations 
Gottardi, W 
1969 
1 
Monatshefte fur Chemie / Chemical Monthly
ISSN: 0026-9247
EISSN: 1434-4475 
100 
1 
42-50 
German 
Dibromoisocyanuric acid (DBI) in concentrated sulfuric acid, oleum or fluorosulfonic acid is used for one step perbrominations of aromatic compounds with deactivating substituents. The reactions are carried out at room temperature in extremly short reaction times (e.g. 1 min. for the perbromination of nitrobenzene in oleum) and-in part-good yields (near 90%). Comparison with other brominating agents of the N-Br type show the superiority of DBI. Tetrabromo-o-dinitrobenzene and dekabromo-diphenylketone were prepared for the first time. © 1969 Springer-Verlag. 
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