A facile two-step synthesis of thiophene end-capped aromatic systems

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Abstract

Thiophene end-capped aromatic analogues, that is, naphthothiophenes, naphthodithiophenes, pyrenothiophene, and benzotrithiophene, can be prepared from commercially available hydroxyarenes in two steps, including (1) a consecutive acid-mediated nucleophilic aromatic substitution of hydroxyarenes with 2-mercaptoethanol, followed by cyclization to form an arene-fused dihydrothiophene, and (2) oxidation of the dihydrothiophene unit to thiophene. © 2012 Elsevier Ltd. All rights reserved.

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Rungtaweevoranit, B., Butsuri, A., Wongma, K., Sadorn, K., Neranon, K., Nerungsi, C., & Thongpanchang, T. (2012). A facile two-step synthesis of thiophene end-capped aromatic systems. Tetrahedron Letters, 53(14), 1816–1818. https://doi.org/10.1016/j.tetlet.2012.01.122

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