Journal
TETRAHEDRON LETTERS
Volume 54, Issue 23, Pages 3015-3018Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2013.04.004
Keywords
Dirhodium(II); Catalysis; Oxidation; Cycloaddition; Pyrrolo[2,1-a]isoquinolines
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Funding
- National Natural Science Foundation of China [21172251]
- Chinese Academy of Sciences
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Azomethine ylides have been efficiently generated via Rh-2(cap)(4)-catalyzed oxidation of tetrahydroisoquinoline derivatives in the presence of base. The ylides are trapped in situ via [3+2] cycloaddition with dipolarophiles and subjected to oxidative aromatization facilitated by N-bromosuccinimide to provide 3,4-dihydropyrrolo[2,1-a]isoquinoline derivatives in moderate to excellent yields. (C) 2013 Elsevier Ltd. All rights reserved.
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