Synthesis of New Asymmetrical Dihydropyrimidinones in Presence of Oxalic Acid
Corresponding Author(s) : Behrooz Mirza
b_mirza@azad.ac.ir
Asian Journal of Chemistry,
Vol. 24 No. 3 (2012): Vol 24 Issue 3
Abstract
An efficient synthesis of asymmetrical branched dihydropyrimidinone derivatives using oxalic acid as a catalyst for the first time from multicomponent reaction of aromatic dialdehydes, b-diketones, urea and thiourea in refluxing acetonitrile is described.
Keywords
Dihydropyrimidinone
Biginelli reaction
Multicomponent reactions
Oxalic acid
Asymmetrical synthesis
(1)
Mirza, B.; Sadegh Samiei, S. Synthesis of New Asymmetrical Dihydropyrimidinones in Presence of Oxalic Acid. ajc 2011, 24, 1293-1296.
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