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Issue 24, 2010
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1,2-Dialkynyldisilenes: silicon analogues of (E)-enediyne

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Reductions of bulky alkynyl-substituted dihalosilanes, BbtSiX2(C[triple bond, length as m-dash]CR) (Bbt = 2,6-bis[bis(trimethylsilyl)methyl]-4-[tris(trimethylsilyl)methyl]phenyl, R = SiMe3 or Ph groups, X = halogen), with 2.0 equiv. of lithium naphthalenide gave the first stable 1,2-dialkynyl-substituted disilenes, which constituted extended π-conjugated systems between Si[double bond, length as m-dash]Si bond and ethynylene units.

Graphical abstract: 1,2-Dialkynyldisilenes: silicon analogues of (E)-enediyne

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The article was received on 16 Mar 2010, accepted on 22 Apr 2010 and first published on 13 May 2010

Article type: Communication
DOI: 10.1039/C0CC00406E
Chem. Commun., 2010,46, 4402-4404

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    1,2-Dialkynyldisilenes: silicon analogues of (E)-enediyne

    T. Sato, Y. Mizuhata and N. Tokitoh, Chem. Commun., 2010, 46, 4402
    DOI: 10.1039/C0CC00406E

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