4.4 Article

Bi(OTf)3-catalyzed 5-exo-trig cyclization via halide activation

Journal

TETRAHEDRON LETTERS
Volume 49, Issue 24, Pages 3888-3890

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.04.067

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Funding

  1. NCRR NIH HHS [P20 RR015566-030001, P20 RR015566] Funding Source: Medline

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Lewis acid activation of allyl halides utilizing Bi(OTf)(3) resulted in cationic cyclization of alkenes with high efficiency. While other Lewis acids could catalyze this process with highly substituted alkenes, bismuth salts demonstrated unique reactivity in come cases. This suggested that bismuth triflate possesses interesting halophilic properties. (c) 2008 Elsevier Ltd. All rights reserved.

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