Efficient Preparation of Alkyl Benzoates by Heteropolyacid-Catalysed Esterification of Benzoic Acid under Solvent-Free Condition

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dc.contributor.authorTiwari, R.
dc.contributor.authorRahman, A.
dc.contributor.authorBhat, N.S.
dc.contributor.authorOnkarappa, S.B.
dc.contributor.authorMal, S.S.
dc.contributor.authorDutta, S.
dc.date.accessioned2026-02-05T09:29:45Z
dc.date.issued2019
dc.description.abstractThis study reports a high-yielding, solvent-free, and scalable synthesis of alkyl benzoates from benzoic acid and its derivatives using heteropolyacids (HPA) as efficient and recyclable acid catalysts. The alkyl benzoates were obtained in excellent isolated yields (>85%) within 4 h at 120 °C using 1.5 equivalent of the alcohol reagent and only 0.4 mol% of the phosphotungstic acid (PTA) catalyst. The PTA catalyst was conveniently recovered and reused for three consecutive cycles without significant loss in mass or activity. © 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
dc.identifier.citationChemistrySelect, 2019, 4, 31, pp. 9119-9123
dc.identifier.urihttps://doi.org/10.1002/slct.201902208
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/24426
dc.publisherWiley-Blackwell
dc.subjectalkyl benzoate
dc.subjectbenzoic acid
dc.subjectcatalysis
dc.subjectesterification
dc.subjectheteropolyacid
dc.titleEfficient Preparation of Alkyl Benzoates by Heteropolyacid-Catalysed Esterification of Benzoic Acid under Solvent-Free Condition

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