[1]陈洁肖,罗金岳.SO42-/ZrO2型固体超强酸催化合成乙基香兰素1,2-丙二醇缩醛[J].南京师大学报(自然科学版),2011,34(03):74-78.
 Chen Jiexiao,Luo Jinyue.Synthesis of Ethyl Vanillin 1,2-Propylene Glycol Acetal Catalyzed by SO42-/ZrO2 Solid Superacid[J].Journal of Nanjing Normal University(Natural Science Edition),2011,34(03):74-78.
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SO42-/ZrO2型固体超强酸催化合成乙基香兰素1,2-丙二醇缩醛()
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《南京师大学报(自然科学版)》[ISSN:1001-4616/CN:32-1239/N]

卷:
第34卷
期数:
2011年03期
页码:
74-78
栏目:
化学
出版日期:
2011-09-20

文章信息/Info

Title:
Synthesis of Ethyl Vanillin 1,2-Propylene Glycol Acetal Catalyzed by SO42-/ZrO2 Solid Superacid
作者:
陈洁肖12罗金岳1
( 1. 南京林业大学化学工程学院,江苏南京210037) ( 2. 江苏省生物质绿色燃料与化学品重点实验室,江苏南京210037)
Author(s):
Chen Jiexiao12Luo Jinyue12
1.College of Chemical Engineering,Nanjing Forestry University,Nanjing 210037,China
关键词:
乙基香兰素12 -丙二醇缩醛乙基香兰素丙二醇SO42-/ZrO 2型固体超强酸
Keywords:
ethyl vanillin 12 -propylene glycol acetalethyl vanillinpropylene glycolSO2 - 4 /ZrO2 solid superacid
分类号:
TQ655
摘要:
以乙基香兰素和丙二醇为原料,SO42-/ZrO2型固体超强酸为催化剂,合成了乙基香兰素1,2-丙二醇缩醛,考察了带水剂种类、催化剂用量、反应时间、原料摩尔比等对产率的影响.实验表明较优的反应条件为:乙基香兰素用量0.05 mol,n(乙基香兰素)∶n(1,2-丙二醇)=1∶1.5,固体超强酸用量为乙基香兰素质量的1.2%,带水剂为甲苯20 mL,回流反应9.0 h.在此条件下,乙基香兰素1,2-丙二醇缩醛收率为96.6%.并通过红外光谱、1H NMR、13C NMR、气质联用对所合成的目标产物结构进行了表
Abstract:
The synthesis of ethyl vanillin 1,2 -propylene glycol acetal was studied. Factors influencing the yield,such as different water-entraining agents,catalyst amounts,reaction time,molar ratio of materials et al,were discussed and the better reaction conditions were determined. The optimum conditions are as follows: ethyl vanillin is 0. 05 mol,n( ethyl vanillin) ∶ n( 1,2-propylene glycol) = 1∶ 1. 5; the water-entraining agent is toluene ( 20 mL) ; the amount of catalyst is 1. 2% of the weight of ethyl vanillin; the reaction time is 9. 0 h. Under these conditions,the yield of ethyl vanillin propylene glycol acetal is 96. 6%. The structure of was identified by means of IR,1H NMR,13C NMR and GC-MS.

参考文献/References:

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[4] 任立国,高文艺. SO2 - 4 - TiO2 固体超强酸催化合成环缩酮[J]. 精细化工, 2002, 19( 5) : 276-277.
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[7] 罗金岳,倪传根,王志国,等. 固体超强酸SO2 - 4 /ZrO2 催化α-蒎烯异构反应[J]. 南京林业大学学报: 自然科学版, 2004, 28( 3) : 51-54.

备注/Memo

备注/Memo:
基金项目:江苏高校优势学科建设工程课题、广西林产化学品开发与应用重点实验室开放基金课题( GXFC08-08) .通讯联系人:罗金岳,教授,研究方向: 林产化学加工. E-mail: luojinyue@ njfu. com. Cn
更新日期/Last Update: 2011-09-15