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Letters in Organic Chemistry

Author(s): Palakodety Radha Krishna, B. Lavanya, A. K. Mahalingam, V.V. Ramana Reddy and G. V.M. Sharma

DOI: 10.2174/1570178054038939

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FeCl3 and FeCl3-SiO2 Catalysed Selective p-Methoxybenzylation of Alcohols with p-Methoxybenzyl Alcohol (PMB-OH)&#

Page: [360 - 363] Pages: 4

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Abstract

Anhydrous FeCl3 and FeCl3-SiO2 serve as Lewis acids for direct conversion of alcohols into pmethoxybezyl ethers using PMB-OH in good yields, the latter reagent was found to be effective in not only converting primary, allylic and propargylic alcohols selectively but also the pre-existing acid sensitive groups remained unscathed.

Keywords: deprotection, benzyl ethers, p-methoxybenzyl (pmb), catalytic ddq, nucleophilic attack, lewis acid, pmb alcohol