引用本文:
Jie Ju, Yu Jin Li, Jian Rong Gao, Jian Hong Jia, Liang Han, Wei Jian Sheng, Yi Xia Jia. High selectively oxidative bromination of toluene derivatives by the H2O2-HBr system[J]. Chinese Chemical Letters,
2011, 22(4): 382-384.
doi:
10.1016/j.cclet.2010.11.005
Citation: Jie Ju, Yu Jin Li, Jian Rong Gao, Jian Hong Jia, Liang Han, Wei Jian Sheng, Yi Xia Jia. High selectively oxidative bromination of toluene derivatives by the H2O2-HBr system[J]. Chinese Chemical Letters, 2011, 22(4): 382-384. doi: 10.1016/j.cclet.2010.11.005
Citation: Jie Ju, Yu Jin Li, Jian Rong Gao, Jian Hong Jia, Liang Han, Wei Jian Sheng, Yi Xia Jia. High selectively oxidative bromination of toluene derivatives by the H2O2-HBr system[J]. Chinese Chemical Letters, 2011, 22(4): 382-384. doi: 10.1016/j.cclet.2010.11.005
High selectively oxidative bromination of toluene derivatives by the H2O2-HBr system
摘要:
An aqueous solution of hydrogen peroxide and hydrogen bromide illuminated by a 60 W incandescent light bulb serves as a source of bromine radicals. Various substituted toluenes (NO2,Cl, Br, H, CH3) were high selectively brominated at the benzyl position for monobromination in CH2C12 at ice water with catalyst free. This simple but effective bromination of toluene derivatives with an aqueous H2O2-HBr system is characterized with the use of inexpensive reagents and a lower impact on the environment, which make it a good alternative to the existing bromination methods.
English
High selectively oxidative bromination of toluene derivatives by the H2O2-HBr system
Abstract:
An aqueous solution of hydrogen peroxide and hydrogen bromide illuminated by a 60 W incandescent light bulb serves as a source of bromine radicals. Various substituted toluenes (NO2,Cl, Br, H, CH3) were high selectively brominated at the benzyl position for monobromination in CH2C12 at ice water with catalyst free. This simple but effective bromination of toluene derivatives with an aqueous H2O2-HBr system is characterized with the use of inexpensive reagents and a lower impact on the environment, which make it a good alternative to the existing bromination methods.
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Key words:
- Oxidative bromination
- / Toluene derivatives
- / H2O2-HBr
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