| Functionalized cyclobutanes via Heck cyclization. | |
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MedLine Citation:
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PMID: 17900129 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Heck-type 4-exo-trig cyclization of linear 2-enol triflate-1,5-hexadienes provides functionalized methylene cyclobutanes. Intramolecular palladium coordination can initiate beta-hydride elimination leading to 1,2-dimethylene cyclobutane derivatives, which are obtained with high selectivity if substrates having a geminal diphenyl group at Calpha are used. In parallel, formal 5-endo-trig cyclization and beta-hydride elimination form 1-methylene cyclopent-2-en derivatives. |
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Authors:
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Anna Innitzer; Lothar Brecker; Johann Mulzer |
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Publication Detail:
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Type: Journal Article Date: 2007-09-27 |
Journal Detail:
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Title: Organic letters Volume: 9 ISSN: 1523-7060 ISO Abbreviation: Org. Lett. Publication Date: 2007 Oct |
Date Detail:
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Created Date: 2007-10-18 Completed Date: 2008-01-07 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100890393 Medline TA: Org Lett Country: United States |
Other Details:
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Languages: eng Pagination: 4431-4 Citation Subset: - |
Affiliation:
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Institut für Organische Chemie der Universität Wien, Währingerstrasse 38, 1090 Wien, Austria. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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