Rhodium-Catalyzed Cycloisomerization of 2‑Silylethynyl Phenols and Anilines via 1,2-Silicon Migration

It has been established that a cationic rhodium­(I)/BINAP complex catalyzes the cycloisomerization of 2-silylethynylphenols, leading to 3-silylbenzofurans, via 1,2-silicon migration. Similarly, the cycloisomerization of 2-silylethynylanilines, leading to 3-silylindoles, via 1,2-silicon migration was...

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Bibliographic Details
Published in:Organic letters 2016-04, Vol.18 (7), p.1654-1657
Main Authors: Kanno, Hiroshi, Nakamura, Kyosuke, Noguchi, Keiichi, Shibata, Yu, Tanaka, Ken
Format: Article
Language:English
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Summary:It has been established that a cationic rhodium­(I)/BINAP complex catalyzes the cycloisomerization of 2-silylethynylphenols, leading to 3-silylbenzofurans, via 1,2-silicon migration. Similarly, the cycloisomerization of 2-silylethynylanilines, leading to 3-silylindoles, via 1,2-silicon migration was catalyzed by a cationic rhodium­(I)/H8–BINAP complex.
ISSN:1523-7060
1523-7052
DOI:10.1021/acs.orglett.6b00529