Title

Synthesis of furo[3,2-c]coumarins under microwave irradiation using nano-CoFe2O4@SiO2-PrNH2 as an efficient and magnetically reusable catalyst

RIS ID

108386

Publication Details

Safaei-Ghomi, J., Shahbazi-Alavi, H., Babaei, P., Basharnavaz, H., Pyne, S. G. & Willis, A. C. (2016). Synthesis of furo[3,2-c]coumarins under microwave irradiation using nano-CoFe2O4@SiO2-PrNH2 as an efficient and magnetically reusable catalyst. Chemistry of Heterocyclic Compounds, 52 (5), 288-293.

Abstract

CoFe2O4@SiO2-PrNH2 nanoparticles have been used as an efficient and magnetically recoverable catalyst for the preparation of trans-3-aryl-2-(4-bromobenzoyl)-2,3-dihydro-4H-furo[3,2-c]chromen-4-ones by multicomponent reaction of 2,4'-dibromoacetophenone, aromatic aldehydes, and 4-hydroxycoumarin in the presence of pyridine in ethanol under microwave irradiation. It was demonstrated by 1H NMR spectroscopy and single crystal analysis that the obtained furo[3,2-c]coumarins were the trans-isomers.

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Link to publisher version (DOI)

http://dx.doi.org/10.1007/s10593-016-1892-9