期刊
TETRAHEDRON LETTERS
卷 45, 期 2, 页码 313-316出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2003.10.168
关键词
solid-phase; cleavage; lewis acid; heterocycles
The preparation of an array of benzimidazoles and benzothiazoles from polymer-bound esters is described. Polymer-bound esters were treated with 2-aminothiophenols or 1,2-phenylenediamines in the presence of a Lewis acid to afford the corresponding benzothiazole or benzimidazole cleavage products. The reaction of 2-aminophenols with the polymer-bound esters failed to give the desired benzoxazole products using this procedure. (C) 2003 Elsevier Ltd. All rights reserved.
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