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|Title:||Palladium-catalyzed amination and cyclization to heteroannellated indoles and carbazoles|
|Authors:||Ferreira, Isabel C.F.R.|
Queiroz, Maria João R.P.
|Citation:||Tetrahedron. ISSN 0040-4020. 59:21 (2003) p. 3737-3743|
|Abstract:||New ortho-bromodiarylamines in the benzo[b]thiophene series were prepared by palladium-catalyzed amination, either in the benzene or in the thiophene ring. These were submitted to palladium-catalyzed cyclization, under different required conditions, to give several differently substituted thieno[3,2-c] or [2,3-b]carbazoles and indolo[3,2-b]benzo[b]thiophenes. This constitutes a novel synthetic route to both tetracyclic systems|
|Appears in Collections:||BB - Artigos em Revistas Indexados ao ISI/Scopus|
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