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- Title
Reduction of Nitroarenes to Azoxybenzenes by Potassium Borohydride in Water.
- Authors
Yufang Liu; Bo Liu; Ailing Guo; Zhenming Dong; Shuo Jin; Yun Lu
- Abstract
The synthesis of the azoxybenzenes by the reduction of nitroarenes with reducing agent potassium borohydride in water was reported for the first time. PEG-400 was used as a phase transfer catalyst and could effectively catalyze the reduction. The electronic effects of substituent groups play an important role in determining the reduction efficiencies. Electron-withdrawing substituents promote the formation of the azoxybenzene products, while electron-releasing groups retard the reductions to various degrees depending on the extent of their electron-donating ability.
- Subjects
NITROAROMATIC compounds; CATALYSTS; CHEMICAL reduction; CHEMICAL reactions; HYDROBORATION
- Publication
Molecules, 2011, Vol 16, Issue 5, p3563
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules16053563