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Cobalt(I) and Cobalt(III) Cyclopentadienyl Complexes with New Silicon-branched Fluorous Tags

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    0424138 - ÚCHP 2015 RIV CH eng J - Journal Article
    Strašák, Tomáš - Čermák, Jan - Červenková Šťastná, Lucie - Sýkora, Jan - Fajgar, Radek
    Cobalt(I) and Cobalt(III) Cyclopentadienyl Complexes with New Silicon-branched Fluorous Tags.
    Journal of Fluorine Chemistry. Roč. 159, MAR 2014 (2014), s. 15-20. ISSN 0022-1139
    R&D Projects: GA ČR(CZ) GAP106/12/1372
    Institutional support: RVO:67985858
    Keywords : fluorous tag * cobalt complex * cyclopentadienyl complex
    Subject RIV: CC - Organic Chemistry
    Impact factor: 1.948, year: 2014

    Two new fluorous tags based on omega-[tris(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silyl]alkyl substituents (alkyl = ethyl, propyl) were synthesized from 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl iodide as the fluorine-containing component. Cyclopentadienes (the mixtures of 1- and 2-substituted isomers) which bore the tags were prepared, cyclopentadienylcobalt(I) dicarbonyl complexes were subsequently obtained from the reactions of the cyclopentadienes with dicobalt octacarbonyl. Oxidative additions of 1-iodoperfluoroalkanes on the cobalt(I) complexes provided cobalt(III) complexes with one of their four ponytails bonded directly to the metal and with a stereocenter at the metal.
    Permanent Link: http://hdl.handle.net/11104/0230222
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