KF/Al_2O_3催化下亚胡椒基丙醛的合成

摘要 KF Al2O3作催化剂,催化洋茉莉醛和丙醛进行Claisen-Schmidt缩合反应合成了亚胡椒基丙醛。通过正交实验确定了适宜的工艺条件,洋茉莉醛∶丙醛为0 3∶0 42(摩尔比),14g催化剂,丙醛滴加时间2h,反应温度60℃～70℃,反应时间2h。平均摩尔收率80 2%。

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	那平
	黄宗凉
	李良龙
	余延栋

关键词： KFAl2O3 Claisen-Schmidt缩合洋茉莉醛亚胡椒基丙醛

Abstract： Piperonylene propanal was synthesized through Claisen-Schmidt condensation reaction in the presence of KF/Al2O3,heliotropin and propanal as reactants.Adaptive technological conditions have been determined by statistical experiment.The yield of parallel experiment was 802% under the reaction conditions which are 60℃～70℃,03mol heliotropin and 042mol propanal as reactants,14g KF/Al2O3 catalyst,the dropping time of propanal 2h,reaction time 2h.

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Received 2003-03-15; published 2003-03-15

引用本文:

那平,黄宗凉,李良龙,余延栋.KF/Al_2O_3催化下亚胡椒基丙醛的合成[J]. 化学工业与工程, 2003,20(2): 67-70

NA Ping1,HUANG Zong-liang1,LI Liang-long2,YU Yan-dong2emical Engineering and Technology,Tianjin University,Tianjin 300072,China;2.Perfumery.of.Jianzhong Chemicals,Sichuan Yibin 644000,China).Catalytic Synthesis of Piperonylene Propanal by KF/Al_2O_3[J]. Chemcial Industry and Engineering, 2003,20(2): 67-70

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