Investigation of the catalytic performance and characterisation of an excellent heterogeneous catalyst Tetrasodium Pyrophosphate Decahydrate (Na4P2O7,10 H2O) in ecological Knoevenagel condensation
Driss El Mekkaoui , Sarra Sibous , Youssef lemallam , Fatima El hajri , Haddou Anahmadi , Houria Elaouani , Zakaria Benzekri , Abdelaziz Souizi , Said Boukhris
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引用次数: 0
Abstract
The research presented herein offers a straightforward, cost-effective, and environmentally benign approach to enhancing the catalytic performance of tetrasodium pyrophosphate decahydrate (Na4P2O7.10H2O). Spectroscopic analysis techniques, including Fourier-transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS), were employed to characterise Tetrasodium Pyrophosphate Decahydrate (Na4P2O7.10H2O). The catalytic performance of the heterogeneous catalyst tetrasodium pyrophosphate decahydrate (Na4P2O7.10H2O) will now be investigated in Knoevenagel condensation reactions with various aromatic aldehydes and active methylene compounds under environmentally friendly conditions. The alkene derivatives were obtained in good to excellent yields (64–97 %) over 10–50 min in the presence of 8 mg of tetrasodium pyrophosphate decahydrate (Na4P2O7.10H2O) at room temperature in 2 mL of ethanol as the eco-friendly solvent. Moreover, the alkene by-products are accurately identified and confirmed through FT-IR and NMR spectroscopy. These methods offer several advantages, including gentle reaction conditions, low reaction times, ease of implementation, and the generation of high yields. Moreover, based on tetrasodium pyrophosphate decahydrate (Na4P2O7.10H2O), the novel catalytic support can be reused multiple times without any discernible reduction in catalytic activity.
期刊介绍:
The Journal of the Indian Chemical Society publishes original, fundamental, theorical, experimental research work of highest quality in all areas of chemistry, biochemistry, medicinal chemistry, electrochemistry, agrochemistry, chemical engineering and technology, food chemistry, environmental chemistry, etc.