Synthesis and biological evaluation of fused dipyranoquinolinones as inhibitors of acetylcholinesterase with antioxidant properties

Bis-fused pyridopyranocoumarins are prepared in excellent yields through the triple bond activation of propargylaminopropargyloxycoumarins or propargylamino (Kontogiorgis et al., 2012; Zhang et al., 2014) [7,8]-fused pyranocoumarins by gold nanoparticles supported on TiO2 under microwave irradiation...

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Main Authors: Evangelia-Eirini N. Vlachou (Author), Ioannis Fotopoulos (Author), Catherine Gabriel (Author), Eleni Pontiki (Author), Dimitra J. Hadjipavlou-Litina (Author), Konstantinos E. Litinas (Author)
Format: Book
Published: Elsevier, 2022-08-01T00:00:00Z.
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Summary:Bis-fused pyridopyranocoumarins are prepared in excellent yields through the triple bond activation of propargylaminopropargyloxycoumarins or propargylamino (Kontogiorgis et al., 2012; Zhang et al., 2014) [7,8]-fused pyranocoumarins by gold nanoparticles supported on TiO2 under microwave irradiation. The intermediate new propargylaminopropargyloxycoumarins are synthesized through propargylation of 6-amino-7-hydroxycoumarins or 6-amino-4-hydroxycoumarin. Preliminary biological tests indicated remarkable antioxidant and anti-AChE activities of the new compounds and especially for 16a and 19b which present also druglikeness following the rule of five.
Item Description:2772-4174
10.1016/j.ejmcr.2022.100063