A high-yielding, efficient, one-pot, three-components (-dicarbonyls – activated cyanomethylenes – aldehydes) synthesis of functionalized 2-amino-4H-pyrans mediated by -Zr(KPO4)2 is reported. The protocol showcases an excellent versatility since it is applicable to aromatic, aliphatic and ,-unsaturated aldehydes under solvent free conditions
Potassium-Exchanged Zirconium Hydrogen Phosphate [α-Zr(KPO4)2]-Catalyzed Synthesis of 2-Amino-4 H -pyran Derivatives under Solvent-Free Conditions
PACE, VITTORIOCo-last
;CURINI, Massimo
2016-01-01
Abstract
A high-yielding, efficient, one-pot, three-components (-dicarbonyls – activated cyanomethylenes – aldehydes) synthesis of functionalized 2-amino-4H-pyrans mediated by -Zr(KPO4)2 is reported. The protocol showcases an excellent versatility since it is applicable to aromatic, aliphatic and ,-unsaturated aldehydes under solvent free conditions
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