The combination of the Biginelli reaction with click chemistry has been used for the one-pot synthesis of 1,2,3-triazole linked dihydropyrimidinones from azides, aromatic aldehydes containing a propargyl ether group, urea, and 1,3-dicarbonyl compounds using Cu(OAc)(2)/sodium ascorbate as catalyst in acetic acid under mild reaction conditions.
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http://dx.doi.org/10.1007/s11030-011-9313-6 | DOI Listing |
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