Citation: Rupa Rani Dey, Siddhartha Sankar Dhar. Ammonium persulphate promoted synthesis of polyethylene glycol entrapped potassium tribromide and its application in acylation and bromination of some selective organic compounds[J]. Chinese Chemical Letters, ;2013, 24(10): 866-868. shu

Ammonium persulphate promoted synthesis of polyethylene glycol entrapped potassium tribromide and its application in acylation and bromination of some selective organic compounds

Rupa Rani Dey ,
Siddhartha Sankar Dhar ^,

1.
Department of Chemistry, National Institute of Technology, Silchar, Assam 788010, India

Corresponding author: Siddhartha Sankar Dhar,
Received Date: 24 April 2013
Available Online: 22 May 2013
Fund Project:

In this study, a new method of synthesis of polyethylene glycol supported potassium tribromide (PEG KBr₃) and its application in acylation and bromination reactions are reported. Ammonium persulphate oxidizes KBr to the corresponding tribromide which is entrapped by polyethylene glycol leading to stable PEG KBr₃. The reagent is proved to be highly efficient for the acylation of variety of alcohols and bromination of activated aromatic substrates. Themethod is a mild, one pot reaction and involves no use of toxic reagents.
- Potassium bromide,
- Polyethylene glycol (PEG),
- Ammonium per sulphate,
- Acylation,
- Bromination
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沈阳化工大学材料科学与工程学院沈阳 110142