Ultrasound-accelerated synthesis of 3,4-dihydropyrimidin-2(1H)-ones with ceric ammonium nitrate†
- 27 July 2001
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 16,p. 1939-1941
- https://doi.org/10.1039/b102565c
Abstract
Ceric ammonium nitrate efficiently catalyzes the three component condensation of an aldehyde, β-ketoester and urea in methanol to afford the corresponding dihydropyrimidinones in excellent yields under sonication. Other oxidants such as manganese triacetate and Oxone were also found to catalyze this transformation under similar conditions.Keywords
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