Synthesis of dienynes from alkenes and diynes using ruthenium-mediated ring-closing metathesis |
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| Authors: | Willem AL van Otterlo E Lindani Ngidi Charles B de Koning Manuel A Fernandes |
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| Institution: | Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, PO Wits, 2050 Johannesburg, South Africa |
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| Abstract: | This communication describes a novel ruthenium-mediated transformation, which converts molecules containing alkenes and conjugated diynes such as 1-allyl-2-{6-(2-allylphenoxy)-2,4-hexadiynyl]oxy}benzene into dienynes such as 3-2-(2,5-dihydro-1-benzoxepin-3-yl)-1-methylene-2-propenyl]-2,5-dihydro-1-benzoxepine instead of the expected product 3-2-(2,5-dihydro-1-benzoxepin-3-yl)ethynyl]-2,5-dihydro-1-benzoxepine. |
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| Keywords: | Ruthenium Metathesis Diynes Dienynes |
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