Author/Authors :
Hosseinzadeh، Rahman نويسنده , , Sarrafi، Yaghoub نويسنده Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran , , Khaledi، Hamid نويسنده Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran ,
Abstract :
Isatin, N-methyl isatin and N-benzylisatin were smoothly monobrominated in the 5-position by treatment with pyridinium bromochromate (PBC) in acetic acid medium. In the similar conditions indigo underwent bromination and oxidation to give 5-bromoisatin in high yield.
