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Synfacts 2010(5): 0516-0516
DOI: 10.1055/s-0029-1219720
DOI: 10.1055/s-0029-1219720
Synthesis of Heterocycles
© Georg Thieme Verlag
Stuttgart ˙ New York
Silver-Catalyzed Heteroannulation Route to Indoles
C. H. Oh*, S. Karmakar, H. Park, Y. Ahn, J. W. Kim
Hanyang University, Seoul, South Korea
Weitere Informationen
Publikationsverlauf
Publikationsdatum:
22. April 2010 (online)
![](https://www.thieme-connect.de/media/synfacts/201005/lookinside/thumbnails/10.1055-s-0029-1219720-1.jpg)
Significance
Reported is the synthesis of 2,3-substituted indoles by silver-catalyzed intramolecular cyclization of N-arylformimidates to ortho-acetylenic moieties. Interestingly, the expected 1,2-substituted indole A is not produced in this reaction and the formation of the product is rationalized by a 1,3-alkenyl shift process for which direct evidence was not provided.