Catalytic behaviour of solid acidic SO42--SnO2-fly ash peony flower like nano catalyst on the synthesis of some E-Pyrenyl enones

Sulphated tin oxide-fly ash peony flower like nano catalyst was employed for the synthesis of some Epyrenyl enones by microwave irradiated Aldol condensation of various substituted acetophenones and 1-pyrenaldehyde under solvent-free conditions. About 80% yields were obtained in this protocol. Catalytic character of SO42--SnO2-fly ash peony flower was investigated using obtained yield and reusability. These E-pyrenyl enones were characterized by their melting points, CHN analysis and spectroscopic data. Also, the influence of the solvents on the yield was investigated. (C) 2020 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the International Conference on Advanced Materials Behavior and Characterization.

Automated summary

The sulphated tin oxide-fly ash peony flower like nano catalyst was utilized for the synthesis of Epyrenyl enones through microwave irradiation Aldol condensation, resulting in approximately 80% yields under solvent-free conditions. The catalytic properties and reusability of SO42--SnO2-fly ash peony flower were investigated, while the synthesized E-pyrenyl enones were characterized by their physical properties and spectroscopic data. Additionally, the impact of solvents on the yield was also studied.