J. Albadi, Azam Mansournezhad, Fatemeh Akbari Balout-Bangan
2014
Citations
0
Influential Citations
6
Citations
Journal
Acta chimica Slovenica
Abstract
Poly(4-vinylpyridine) is used as a green, commercially available and recyclable basic catalyst for the multicomponent synthesis of benzopyrans and dihydropyranochromenes by one-pot condensation of aromatic aldehydes, 3-methyl-1-phenyl-2-pyrazolin-5-one, and malononitrile or 4-hydroxycoumarin in ethanol at reflux temperature. This procedure provides several advantages such as mild reaction conditions, short reaction times, simple work-up and high yields.