Zhang Wei-guang
2009
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Yunnan Chemical Technology
Abstract
1,2-Dichloro-4-nitrobenzene was synthesized by chlorination of p-nitrochlorobenzene with KClO3-H2SO4 as chlorinating reagent,and effect of usage of KClO3 and sulfuric acid,reaction temperature and time was discussed.The optimal reaction condition was obtained as follows: volume of sulfuric acid 35ml,molar ratio of p-nitrochlorobenzene to KClO31:1,reaction at 55℃ for 6h,with the yield of 91.8%.