cheminform abstract: efficient synthesis of functionalized 2,3-di(alkenyl)benzothiophenes and...

ChemInform 2010, 41, issue 05 © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim www.cheminform.wiley-vch.de Benzothiophene derivatives R 0100 DOI: 10.1002/chin.201005080 Efficient Synthesis of Functionalized 2,3-Di(alkenyl)benzothiophenes and Diben- zothiophenes Based on the First Heck Reactions of 2,3-Di- and 2,3,6-Tribro- mobenzothiophene. — Heck reactions of 2,3-dibromothiophene and 2,3,6-tribromo- thiophene are investigated. Depending on the stoichiometry, mono-, bis-, and tris ad- ducts are formed. At higher reaction temperature, substituted dibenzothiophenes can be obtained after complete aromatization. — (HUSSAIN, M.; MALIK, I.; VILLINGER, A.; LANGER*, P.; Synlett 2009, 16, 2691-2695; Inst. Chem., Univ. Rostock, D-18059 Rostock, Germany; Eng.) — Mais 05- 080

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Page 1: ChemInform Abstract: Efficient Synthesis of Functionalized 2,3-Di(alkenyl)benzothiophenes and Dibenzothiophenes Based on the First Heck Reactions of 2,3-Di- and 2,3,6-Tribromobenzothiophene

www.cheminform.wiley-vch.de

Benzothiophene derivativesR 0100 DOI: 10.1002/chin.201005080

Efficient Synthesis of Functionalized 2,3-Di(alkenyl)benzothiophenes and Diben-zothiophenes Based on the First Heck Reactions of 2,3-Di- and 2,3,6-Tribro-mobenzothiophene. — Heck reactions of 2,3-dibromothiophene and 2,3,6-tribromo-thiophene are investigated. Depending on the stoichiometry, mono-, bis-, and tris ad-ducts are formed. At higher reaction temperature, substituted dibenzothiophenes can be obtained after complete aromatization. — (HUSSAIN, M.; MALIK, I.; VILLINGER, A.; LANGER*, P.; Synlett 2009, 16, 2691-2695; Inst. Chem., Univ. Rostock, D-18059 Rostock, Germany; Eng.) — Mais

05- 080