粉煤灰直接催化合成环已酮乙二醇缩酮
Journal of Huangshan University(2016)
Abstract
直接以电厂粉煤灰为催化剂,催化环己酮和乙二醇的缩合反应合成环己酮乙二醇缩酮.系统地考察了催化剂粉煤灰对该缩合反应的催化活性、带水剂种类及用量、环己酮与乙二醇的物质的量之比、反应时间对环己酮乙二醇缩酮产率的影响.实验结果表明,在粉煤灰用量为环己酮质量的5.0%,n(环己酮):n(乙二醇)=1:1.4,带水剂环已烷用量为10mL,回流温度反应3h的条件下,环已酮乙二醇缩酮的产率可达93.2%.
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