SiO2·12WO3·24H2O: a Highly Efficient Catalyst for the Synthesis of 5-Arylidene Barbituric Acid in the Presence of Water
Ji-Tai Li A B and Ming-Xuan Sun AA College of Chemistry and Environmental Science, Hebei University, Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding 071002, China.
B Corresponding author. Email: lijitai@hbu.cn
Australian Journal of Chemistry 62(4) 353-355 https://doi.org/10.1071/CH08320
Submitted: 28 July 2008 Accepted: 16 January 2009 Published: 24 April 2009
Abstract
The condensation of aromatic aldehydes and barbituric acid catalyzed by SiO2·12WO3·24H2O in aqueous media at room temperature gave 5-arylidene barbituric acid in high yields with or without the use of ultrasound, providing a simple and efficient route to synthesis of these compounds.
Acknowledgement
The project was supported by Natural Science Foundation of Hebei Province (B2006000969), China.
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