Tetrahedron letters

Selective O-acylation of aromatic hydroxylamines by 2-acylimidazolium and 2-acylbenzimidazolium salts

PPO Santos, CL Trindade, AM Lobo, S Prabhakar

Index: Santos, Pedro P. O.; Trindade, Cristina L.; Lobo, Ana M.; Prabhakar, Sundaresan Tetrahedron Letters, 1993 , vol. 34, # 23 p. 3793 - 3796

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Citation Number: 3

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... 2-Acyl 1,3-dimethylbenzimidazolium and 2-acyl 1,3-dimethylimidazolium salts react with N-aromatic hydroxylamines in the presence of base to give the O-acyl derivatives. ... Synthesis of 1via 2-acylimidazolium (2a) or 2-acylbenzimidazolium salts (2b) is achieved in good yields.