Journal
TETRAHEDRON LETTERS
Volume 54, Issue 28, Pages 3635-3638Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2013.04.106
Keywords
Benzonaphthyridines; Heterocycles; Heteroannulation; Indoles; Copper(II) triflate
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Funding
- DST [SR/S1/OC-70/2008]
- UGC, India
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An efficient and convenient method for the synthesis of indol-3-yl benzo[b][1,6]- and benzo[c][2,7]naphthyridines via copper(II) triflate-catalyzed heteroannulation is reported. This method gives new analogues of indole containing benzonaphthyridines from easily accessible starting materials. This reaction proceeds under mild conditions. (C) 2013 Elsevier Ltd. All rights reserved.
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