シクロヘキセンと硫酸水溶液との反応 : 不飽和脂環炭化水素の利用に関する研究 (第1報)

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Reactions of cyclohexene with aqueous sulfuric acid solution were carried out under varying reaction conditions.<BR>When 1 mol of cyclohexene reacted with 7 mol of 50% sulfuric acid at 70°C for 3 hrs., the products were cyclohexanol (yield 72 mol %) and its sulfate (yield 7.5 mol%) <BR>Furthermore, the optimum conditions for separation of the reaction mixture into organic layer and aqueous sulfuric acid layer were found. On the basis of these findings on the preparation of cyclohexanol from cyclohexene, the following process was proposed : <BR>After the reaction of cyclohexene with aqueous sulfuric acid solution is over, cyclohexanol is obtained from the organic layer which separated ; the separated aqueous sulfuric acid solution is used repeatedly.