Synthesis and molecular structure of rac-methylenebis(4,5,6,7-tetrahydro-1-indenyl)titanium dichloride

Luttikhedde HJG, Reko Leino, CE Wilen, E Laine, R Sillanpaa, JH Nasman

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    Abstract

    The reaction of indenylpotassium with 0.5 equiv. of chloromethylpivalate yields bis(3-indenyl)methane (1). Double deprotonation of 1 with two equiv of BuLi, reaction with TiCl4 . 2THF and subsequent hydrogenation yields rac-methylenebis(4,5,6,7-tetrahydro-1-indenyl) titanium dichloride (3) in 16% overall yield. The molecular structure of (3) reveals a very small acute angle of 98.9(2)degrees at the methylene bridge carbon atom. (C) 1997 Elsevier Science S.A.
    Original languageUndefined/Unknown
    Pages (from-to)129–132
    Number of pages4
    JournalJournal of Organometallic Chemistry
    Volume547
    Issue number1
    Publication statusPublished - 1997
    MoE publication typeA1 Journal article-refereed

    Keywords

    • ansa-metallocene
    • fluorene
    • indene
    • titanium

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