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Title: | High-yielding synthesis of alkyl stearates from stearic acid within a closed batch reactor using heteropolyacids as efficient and recyclable catalyst |
Authors: | Vinod N. Tiwari R. Bhat N.S. Mal S.S. Dutta, Saikat |
Issue Date: | 2020 |
Citation: | AIP Conference Proceedings , Vol. 2225 , , p. - |
Abstract: | This study reports high-yielding and scalable synthesis of alkyl stearates from stearic acid (SA) within a closed batch reactor using commercially-available heteropolyacid catalysts. The reaction was carried out by using different commercially-available heteropolyacids and reaction conditions were optimized by using phosphotungstic acid (PTA) catalyst. The solvent-free, gram-scale reactions afforded alkyl stearates in excellent isolated yields (>95%) within 4?h at 110 °C using slight excess of alcohols and only 1?mol% of the phosphotungstic acid (PTA) catalyst. The PTA catalyst was successfully recovered and reused for five consecutive cycles without significant loss in mass or activity. © 2020 Author(s). |
URI: | https://doi.org/10.1063/5.0005580 https://idr.nitk.ac.in/jspui/handle/123456789/14848 |
Appears in Collections: | 2. Conference Papers |
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