- Turkish Journal of Chemistry
- Vol: 39 Issue: 5
- Green and efficient synthesis of novel bispyrazoles through a tandem Knoevenagel and Michael type re...
Green and efficient synthesis of novel bispyrazoles through a tandem Knoevenagel and Michael type reaction using nanowire zinc oxide as a powerful and recyclable catalyst
Authors : Khalil Eskandari, Bahador Karami, Saeed Khodabakhshi, Seyyed Jafar Hoseini
Pages : 1069-1077
View : 11 | Download : 5
Publication Date : 9999-12-31
Article Type : Makaleler
Abstract :Zinc oxide nanowires (ZnO NWs) were prepared and characterized by scanning electron microscopy, powder X-ray diffraction, and transmission electron microscopy analyses. ZnO NWs were then employed as heterogeneous and recyclable catalyst for green synthesis of some new and known bispyrazole derivatives through a tandem Knoevenagel and Michael type addition reaction of aromatic aldehyde and pyrazolone. The synthetic method is operationally simple and affords product with high yields in short reaction times.Keywords : Zinc oxide nanowire, bispyrazole, aldehyde, green synthesis, nanocatalyst