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Efficient and green synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones using imidazol-1-yl-acetic acid as a novel, reusable and water-soluble organocatalyst

✍ Scribed by Mojgan Kargar; Rahim Hekmatshoar; AbdolJalil Mostashari; Zahra Hashemi

Book ID: 116343855
Publisher: Elsevier Science
Year: 2011
Tongue: English
Weight: 449 KB
Volume: 15
Category: Article
ISSN: 1566-7367
DOI: 10.1016/j.catcom.2011.08.022

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## Abstract magnified image A simple and highly efficient procedure for the Biginelli condensation reaction of aldehydes, β‐ketoesters, urea, or thiourea catalyzed by Ceric ammonium nitrate (CAN) as a Lewis‐acid at ambient temperature is described. The procedure proved to be simple and of high yiel