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Citation: YI Bing, CHEN Hong-Biao, LIN Yuan-Bin, ZHAO Hong-Bin. A Novel Method for Bromination of α-H in Alkylbenzenes[J]. Chinese Journal of Applied Chemistry, ;2001, 18(6): 501-503. shu

A Novel Method for Bromination of α-H in Alkylbenzenes

1.
Department of Chemistry, Institute of Chemistry and Chemical Engineering, Xiangtan University, Xiangtan 411105

Received Date: 2 August 2000
Available Online: 21 December 2000
Fund Project: 湖南省科委资助项目(97JKY1016-3-7) (97JKY1016-3-7)

A novel bromination method for T-H in alkylbenzenes using KBrO₃/NaHSO₃ as bromination agent and under an incandescent light illumination is reported. The method has advantages of mild reaction condition, simple operation, high utilization of bromine and avoidance of the erosive HBr gas. For some alkylbenzenes, especially some alkylbenzenes with a second substituent in benzene ring, the method provides brominated products of high yield and purity only at temperature usually of 50~55℃ under light illumination.
- alkylbenzene,
- T-H bromination
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