Catalytic synthesis of fused 1,4-dihydropyridines and 1,4-dihydropyridine derivatives using preyssler heteropolyacids catalyst

Article abstract of DOI:10.1080/00397911.2011.581405

An efficient and convenient method for the synthesis of 1,4-dihydropyridines from β-dicarbonyl compounds, aldehydes, and ammonium acetate and the synthesis of fused 1,4-dihydropyridines from dimedone in the presence of Preyssler heteropolyacid catalyst ar