One-pot two step synthesis of 5-cyano-dihydropyrimidinones using polyphosphate ester
摘要:
A combination of a modified Biginelli reaction and a polyphosphate ester (PPE)-promoted dehydration reaction provides 5-cyano-dihydropyrimidinones in good to excellent overall yields. (C) 2008 Elsevier Ltd. All rights reserved.