Poonsakdi PloypradithPannarin CheryklinNattisa NiyomthamDaniel R. BertoniSomsak RuchirawatChulabhorn Research InstituteThe Institute of Science and Technology for Research and Development, Mahidol UniversityUniversity of Michigan, Ann Arbor2018-08-242018-08-242007-07-05Organic Letters. Vol.9, No.14 (2007), 2637-2640152370602-s2.0-34547399577https://repository.li.mahidol.ac.th/handle/20.500.14594/24164Equation Presented p-Toluene sulfonic acid (p-TsOH) immobilized either on polystyrene (PS) or silica (Si) was found to be effective in cleaving aromatic ethers containing isopropyl, tert-butyl, allyl, and benzyl groups, as well as mono-, di-, and trimethoxylated benzyl groups, in moderate to excellent yields (54-95%). These protecting groups could be selectively deprotected when they were simultaneously present on the same or different aromatic rings in a substrate. © 2007 American Chemical Society.Mahidol UniversityBiochemistry, Genetics and Molecular BiologyChemistryArticleSCOPUS10.1021/ol070781+