One-Pot Desilylation/Dimerization of Ethynyl- and Butadiynyltrimethylsilanes. Synthesis of Tetrayne-Linked Dehydrobenzoannulenes

Addition of K 2CO 3 to standard Eglinton coupling conditions effects a one-pot desilylation/dimerization reaction of alkynyltrimethylsilanes. Use of this procedure on substituted phenylbutadiynylsilanes ultimately leads to the formation of dehydrobenzoannulenes possessing an unprecedented number of...

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Bibliographic Details
Published in:Tetrahedron letters 1997-10, Vol.38 (43), p.7483-7486
Main Authors: Haley, Michael M, Bell, Michael L, Brand, Stephen C, Kimball, David B, Pak, Joshua J, Wan, W.Brad
Format: Article
Language:English
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Summary:Addition of K 2CO 3 to standard Eglinton coupling conditions effects a one-pot desilylation/dimerization reaction of alkynyltrimethylsilanes. Use of this procedure on substituted phenylbutadiynylsilanes ultimately leads to the formation of dehydrobenzoannulenes possessing an unprecedented number of acetylene linkers. © 1997 Elsevier Science Ltd.
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(97)01796-6