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Synfacts 2008(9): 0972-0972
DOI: 10.1055/s-2008-1078624
DOI: 10.1055/s-2008-1078624
Metal-Mediated Synthesis
© Georg Thieme Verlag
Stuttgart ˙ New York
Co-Catalyzed Cyclooctatriene Synthesis by [4+2+2] Cycloaddition
G. Hilt*, J. Janikowski
Philipps-Universität Marburg, Germany
Weitere Informationen
Publikationsverlauf
Publikationsdatum:
22. August 2008 (online)
Significance
This atom-economical reaction catalyzed by a Co-diimine complex provides access to a number of functionalized cyclooctatrienes in good yields. Internal alkynes give the highly substituted products in somewhat lower yields. It has been found that the use of Fe powder increases the yield of cyclooctatriene.