环己醇制备环己酮的实验改进
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陈文彬, 陈月阳, 陈波
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Improvement on Preparation of Cyclohexanone from Cyclohexanol
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Wenbin Chen, Yueyang Chen, Bo Chen
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表1 Oxone氧化环己醇反应条件筛选结果
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| Entry | Cyclohexanol : Oxone : NaBr物质的量之比 | 环己醇含量/% | 副产物(溴代环己酮)含量/% | 环己酮含量/% | | 1 | 1 : 0.5 : 0.3 | 22.8 | 13.2 | 64.1 | | 2 | 1 : 0.5 : 0.4 | 23.2 | 20.4 | 53.7 | | 3 | 1 : 0.5 : 0.5 | 17.8 | 24.1 | 55.9 | | 4 | 1 : 0.6 : 0.3 | 12.3 | 26.1 | 61.6 | | 5 | 1 : 0.6 : 0.4 | 9.6 | 30.8 | 59.6 | | 6 | 1 : 0.6 : 0.5 | 10.5 | 52.5 | 37.0 | | 7 | 1 : 0.7 : 0.05 | 72.7 | 15.0 | 12.2 | | 8 | 1 : 0.7 : 0.05 (pH = 7) | 57.8 | 24.4 | 17.8 | | 9 | 1 : 0.7 : 0.1 | 65.9 | 16.6 | 17.5 | | 10 | 1 : 0.7 : 0.1 (pH = 7) | 24.7 | 19.3 | 56.0 | | 11 | 1 : 0.7 : 0.3 | 0.0 | 36.2 | 61.5 | | 12 | 1 : 0.7 : 0.3 (pH = 7) | 9.1 | 11.9 | 79.0 | | 13 | 1 : 0.7 : 0.4 | 0.7 | 54.2 | 45.1 | | 14 | 1 : 0.7 : 0.5 | 1.1 | 52.0 | 46.9 |
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