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Bismuth-catalyzed cyclization of amino-1,6-enynes

✍ Scribed by Kimihiro Komeyama; Motoyoshi Miyagi; Ken Takaki

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
149 KB
Volume
19
Category
Article
ISSN
1042-7163

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✦ Synopsis

Abstract

Bi(OTf)~3~ effectively catalyzed the cyclization of amino‐1,6‐enynes, leading to bicyclic amine and cyclopentadienyl amino compounds. The selectivity of the products depends on the substitution pattern of the olefinic moiety. ^19^F NMR trace experiment of the reaction and other results indicate a novel alkynophilicity of the bismuth species. Β© 2008 Wiley Periodicals, Inc. Heteroatom Chem 19:644–648, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20490

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