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Title: Efficient Preparation of Alkyl Benzoates by Heteropolyacid-Catalysed Esterification of Benzoic Acid under Solvent-Free Condition
Authors: Tiwari, R.
Rahman, A.
Bhat, N.S.
Onkarappa, S.B.
Mal, S.S.
Dutta, Saikat
Issue Date: 2019
Citation: ChemistrySelect, 2019, Vol.4, 31, pp.9119-9123
Abstract: This 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
Appears in Collections:1. Journal Articles

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