CAN-catalyzed regioselective synthesis of pyrido[2,3-c ]carbazoles by the Povarov reaction
CAN-catalyzed regioselective synthesis of pyrido[2,3-c ]carbazoles by the Povarov reaction
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Date
2012-01-01
Authors
Viji, Mayavan
Nagarajan, Rajagopal
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Abstract
A simple route for the synthesis of 3-methyl-3H-pyrido[2,3-c]carbazoles via Povarov reaction of 3-aminocarbazoles, and ethyl vinyl ether is described. This transformation, catalyzed by cerium(IV) ammonium nitrate (CAN) under mild reaction conditions, provides the pyrido[2,3-c]carbazoles in good yields with high regioselectivity. © Georg Thieme Verlag Stuttgart · New York.
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Keywords
annulations,
heterocycles,
Lewis acids-,
Povarov reaction,
regioselectivity
Citation
Synthesis. v.2012(2)