Preparation and characterization of 4-methoxy cinnamoyl glycerol

被引：25
|
作者：
Holser, R. A. [1 ]
Mitchell, T. R. [1 ]
Harry-O'kuru, R. E. [2 ]
Vaughn, S. F. [2 ]
Walter, E. [2 ]
Himmelsbach, D. [1 ]
机构：
[1] USDA ARS, Richard B Russell Agr Res Ctr, Athens, GA 30605 USA
[2] USDA ARS, Natl Ctr Agr Utilizat Res, Peoria, IL 61604 USA
来源：
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY | 2008年 / 85卷 / 04期
关键词：
glycerol; 4-methoxy cinnamic acid; ester;
D O I：
10.1007/s11746-008-1197-y
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Glycerol was reacted with 4-methoxy cinnamic acid to prepare the corresponding 4-methoxy cinnamoyl glycerol. The reaction proceeded in toluene under reflux conditions with p-toluenesulfonic acid catalyst. Reaction of equimolar amounts of reactants produced the monoester in 20% yield after 2 h. The product was isolated and characterized by FTIR, mass spectrometry, and NMR techniques. Results of mass spectrometry and NMR experiments showed that the ester linkage formed between the carboxylic acid and the primary hydroxyl of glycerol. The ester displayed strong absorbance between 250 and 350 nm and shows potential as a UV filter in formulations where hydrophilic compounds are advantageous.
引用
收藏
页码：347 / 351
页数：5
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