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Asian Journal of Research in Chemistry
Year : 2018, Volume : 11, Issue : 1
First page : ( 51) Last page : ( 54)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2018.00011.1

Cetyltrimethylammonium bromide promoted Selective Bromination of Aromatic Compounds in presence of Zirconyl Nitrate and Ammonium Molybdate under solvent-free conditions

Redamala Roopa1,2,*, Chakradhar A.1, Rajanna K.C.1, Saiprakash P. K.1, Merugu Ramchander2

1Department of Chemistry, Osmania University, Hyderabad, (A.P)-500 007, India

2Department of Chemistry and Biochemistry, Mahatma Gandhi University, Nalgonda-508254, India

*Corresponding Author E-mail: roopamgu@gmail.com

Online published on 26 March, 2018.


Cetyltrimethylammonium bromide (CTAB) micelle has been found its use for efficient and selective bromination reactions with phenols, anilines and acetanilides have been carried out under solvent free conditions. A mixture of metal salt (Zirconyl Nitrate and Ammonium molybdate), organic substrate and KBr or KBrO3 are taken in a mortar and grounded with a pestle at room temperature till the reaction is completed. The reactions afforded bromo derivatives in fairly good yields when a mixture of substrate with metal salt-KBr or metal salt-KBrO3 is used as brominating reagent instead of classical reagent KBr-KBrO3. Reaction times reduced significantly under solvent-free conditions when compared with solution phase reactions under reflux conditions.

Where, Metal salt = Zirconoyl nitrate and Ammonium molybdate Y= OH, NH2 and NHCOCH3; X = electron donating or withdrawing group



Cetyltrimethyl ammonium bromide, Micelle, selective bromination, Zirconyl nitrate, Ammonium molybdate, Solvent-free conditions.


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