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Preparation and Characterization of 4-Methoxy Cinnamoyl Glycerol

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Journal of the American Oil Chemists' Society

Abstract

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.

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Acknowledgments

The authors are grateful to Gregory P. Wylie, University of Georgia, Department of Chemistry for performing the NMR experiments.

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Correspondence to R. A. Holser.

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The use of trade, firm, or corporation names in this publication is for the information and convenience of the reader. Such use does not constitute an official endorsement or approval by the United States Department of Agriculture or the Agricultural Research Service of any product or service to the exclusion of others that may be suitable.

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Holser, R.A., Mitchell, T.R., Harry-O’kuru, R.E. et al. Preparation and Characterization of 4-Methoxy Cinnamoyl Glycerol. J Am Oil Chem Soc 85, 347–351 (2008). https://doi.org/10.1007/s11746-008-1197-y

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  • DOI: https://doi.org/10.1007/s11746-008-1197-y

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