Tetrahedron Letters

Aniline–terephthalaldehyde resin p-toluenesulfonic acid (ATRT) salt as efficient mild polymeric solid acid catalyst

K Tanemura, T Suzuki

Index: Tanemura, Kiyoshi; Suzuki, Tsuneo Tetrahedron Letters, 2013 , vol. 54, # 49 p. 6740 - 6743

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Citation Number: 7

Abstract

Abstract Aniline–terephthalaldehyde resin p-toluenesulfonic acid (ATRT) salt was easily prepared by the reaction of aniline with 1.25 equiv of terephthalaldehyde in the presence of 1.0 equiv of p-toluenesulfonic acid at 75 C for 24 h in EtOH. ATRT efficiently catalyzed the tetrahydropyranylation of alcohols and deprotection of tetrahydropyranyl (THP), triethylsilyl (TES), and tert-butyldimethylsilyl (TBDMS) ethers. Deprotection of dodecyl THP ether and ...

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