Jia Qian-qian
2013
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Journal
Chemistry World
Abstract
2-Bromobutane was synthesized from sodium bromide and isobutyl alcohol by superadding concentrated sulphuric acid in water.Different affecting factors were investigated.The optimum reaction conditions were:sodium bromide was 86g,isobutyl alcohol was 31g(nNaBr∶nC4H9OH=1∶0.5),concentrated sulphuric acid was 196g,water was 114g(the concentration of sulphuric acid was 62%after dilution),additional concentrated sulphuric acid was 26g.After refluxing for 55min,more than 71percent yield of 2bromobutane was obtained.Finally,the product content was 89.3percent analyzed by GC.The product was characterized by IR.