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Parallel synthesis of dihydropyrimidinones using Yb(III)-resin and polymer-supported scavengers under solvent-free conditions. A green chemistry approach to the Biginelli reaction

✍ Scribed by Alessandro Dondoni; Alessandro Massi

Book ID: 104231776
Publisher: Elsevier Science
Year: 2001
Tongue: French
Weight: 77 KB
Volume: 42
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)01728-2

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✦ Synopsis

An efficient synthesis of an array of 3,4-dihydropyrimidin-2-(1H)-ones using solid-supported ytterbium(III) reagent from aldehydes, 1,3-dicarbonyl compounds and urea (Biginelli reaction) under solvent-free conditions is described. Purification of each member of the library was carried out using a cocktail of acid and basic polymer-supported scavengers

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