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Synthesis of 2,3-dihydrothieno[2,3-b]-1,4-dithiine, 2,3-dihydrothieno[3,2-b]-1,4-oxathiine, 2,3-dihydrothieno[2,3-b]-1,4-oxathiine and their transformation into corresponding end-capped oligomers.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.ORCID iD: 0000-0002-8444-181X
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2003 (English)In: Synthesis (Stuttgart), ISSN 0039-7881, E-ISSN 1437-210X, no 14, 2199-2205 p.Article in journal (Refereed) Published
Abstract [en]

Three new heterocyclic parent compds., 2,3-dihydrothieno[2,3-b][1,4]dithiine, 2,3-dihydrothieno[3,2-b][1,4]oxathiine, and 2,3-dihydrothieno[2,3-b][1,4]oxathiine, have been synthesized by acid-catalyzed transformations starting from 3-methoxythiophene. Two of the new compds. have been transformed to the corresponding end-capped dimeric, trimeric and tetrameric oligothiophenes. These oligomers show very stable cationic and dicationic states as judged by cyclic voltammetry, and their UV-Vis spectra are considerably red-shifted compared to previously synthesized end-capped oligomers. [on SciFinder(R)]

Place, publisher, year, edition, pages
2003. no 14, 2199-2205 p.
Keyword [en]
end capped oligomer dihydrothienodithiine dihydrothienooxathiine prepn cyclic voltammetry, thienodithiine thienooxathiine end capped oligomer prepn cyclic voltammetry
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Organic Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-92001DOI: 10.1055/s-2003-41058OAI: oai:DiVA.org:kth-92001DiVA: diva2:511786
Note
CAPLUS AN 2003:830734(Journal) NR 20140805Available from: 2012-03-23 Created: 2012-03-23 Last updated: 2017-12-07Bibliographically approved

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Slätt, Johnny

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