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Catalytic Synthesis of Ketal by Niobic Acid
Author(s): 
Pages: 53-55
Year: Issue:  1
Journal: CHINESE JOURNAL OF SYNTHETIC CHEMISTRY

Keyword:  铌酸催化合成环己酮12-丙二醇缩酮;
Abstract: 将铌酸应用于催化缩酮反应,以环己酮和1,2-丙二醇的缩酮反应为探针,详细探索了影响缩合反应的各种因素,并得出了铌酸催化环己酮与丙二醇反应的最佳条件:mol环己酮∶mol丙二醇=1∶1.5,环己烷作带水剂,环己烷和铌酸催化剂的用量分别为反应物总体积、总质量的35%和1.2%,回流搅拌反应3.5h,产品环己酮1,2-丙二醇缩酮的总收率为73.5%.
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