Publication: A facile two-step synthesis of thiophene end-capped aromatic systems
Issued Date
2012-04-04
Resource Type
ISSN
18733581
00404039
00404039
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2-s2.0-84857789975
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Mahidol University
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SCOPUS
Bibliographic Citation
Tetrahedron Letters. Vol.53, No.14 (2012), 1816-1818
Suggested Citation
Bunyarat Rungtaweevoranit, Akkarapol Butsuri, Krittaphat Wongma, Karoon Sadorn, Kitjanit Neranon, Chakkrapan Nerungsi, Tienthong Thongpanchang A facile two-step synthesis of thiophene end-capped aromatic systems. Tetrahedron Letters. Vol.53, No.14 (2012), 1816-1818. doi:10.1016/j.tetlet.2012.01.122 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/13762
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Title
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.