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Title: Tandem palladium-catalyzed borylation and suzuki coupling (BSC) to thienocarbazole precursors
Authors: Ferreira, Isabel C.F.R.
Queiroz, Maria João R.P.
Kirsch, Gilbert
Keywords: Palladium
Suzuki coupling
2-methyl-2'-nitro biaryls
Issue Date: 2003
Publisher: Elsevier
Citation: Tetrahedron Letters. ISSN 0040-4039. 44:23 (2003) p. 4327-4329
Abstract: Substituted 2-methyl-2'-nitro diaryl compounds in the benzo[b]thiophene series were prepared by palladium-catalyzed, two-step, one-pot borylation/Suzuki coupling (BSC) reaction in good to high yields. The borylation reaction was performed on methylated 6-bromobenzo[b]thiophenes using pinacolborane and was followed by in situ Suzuki coupling with substituted (CF3, OMe) 2-bromonitrobenzenes. The compounds obtained were cyclized to the corresponding ring A substituted thienocarbazoles which can have biological activity or/and be used as biomarkers due to their fluorescence properties and possible DNA intercalation.
ISSN: 0040-4039
Appears in Collections:BB - Artigos em Revistas Indexados ao ISI/Scopus

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