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Title: Synthesis of 1,3-Dithienylbenzo[c]thiophene
Authors: Mendes, Paulo J.
Silva, Tiago J. L.
Tomaz, Ana Isabel
Garcia, M. Helena
Editors: Afonso, Carlos A M
Candeias, Nuno R
Simão, Dulce Pereira
Trindade, Alexandre F
Coelho, Jaime A S
Tan, Bin
Franzen, Robert
Keywords: Grignard synthesis
Heterocyclic chemistry
Fused rings
Issue Date: 2017
Publisher: Royal Society of Chemistry
Citation: Synthesis of 1,3-Dithienylbenzo[c]thiophene, T.J.L. Silva, P.J. Mendes, A.I. Tomaz & M.H. Garcia em Comprehensive Organic Chemistry Experiments for the Laboratory Classroom, C.A.M. Afonso, N.R. Candeias, D. Pereira Simão, A.F. Trindade, J.A.S. Coelho, B. Tan & R. Franzén (Eds.), RSC Publications, Cambridge, 2017, Cap.17.7, pp.888-892 (ISBN 978-1-84973-963-4)
Abstract: Fused-ring thiophenes, such as benzo[c]thiophene (or isothianaphthene) derivatives have attractive electric and optical properties and can be used as monomers to build low-bandgap polymers. Benzo[c]thiophene compounds are relatively unstable and their synthesis is often laborious. The stability can be improved by the presence of aromatic heterocycles in 1 and 3 positions. For example, 1,3-dithienylbenzo[c]thiophene has been studied due to its interesting electro-optical properties.This experiment proposes the synthesis of 1,3-dithienobenzo[c]thiophene by ring closure of an o-diketone. The procedure involves three high yielding steps with minimum puri- fication procedures.
ISBN: 978-1-84973-963-4
Type: bookPart
Appears in Collections:QUI - Publicações - Capítulos de Livros
CQE - Publicações - Capítulos de Livros

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