A new approach to the construction of biphenylenes by the cobalt-catalyzed cocyclization of o-diethynylbenzenes with alkynes. Application to an iterative approach to [3]phenylene, the first member of a novel class of benzocyclobutadienoid hydrocarbons

Related Content

• Tris(benzocyclobutadieno)benzene, the triangular [4]phenylene with a completely bond-fixed cyclohexatriene ring: cobalt-catalyzed synthesis from hexaethynylbenzene and thermal ring opening to 1,2:5,6:9,10-tribenzo-3,4,7,8,11,12-hexadehydro[12]annuleneJournal of the American Chemical Society

  • Tris(benzocyclobutadieno)benzene, the triangular [4]phenylene with a completely bond-fixed cyclohexatriene ring: cobalt-catalyzed synthesis from hexaethynylbenzene and thermal ring opening to 1,2:5,6:9,10-tribenzo-3,4,7,8,11,12-hexadehydro[12]annulene

    Rainer. Diercks, K. Peter C. Vollhardt
    Journal of the American Chemical Society 1986 108 (11), pp 3150–3152
    Abstract | Hi-Res PDF
• En Route to Archimedene:  Total Synthesis of C_3h-Symmetric [7]PhenyleneOrganic Letters

  • En Route to Archimedene:  Total Synthesis of C_3h-Symmetric [7]Phenylene

    Dirk Bruns, Hirokazu Miura, and K. Peter C. VollhardtAmnon Stanger
    Organic Letters 2003 5 (4), pp 549–552

    Abstract: The total synthesis of C_3h-symmetric [7]phenylene has been accomplished by triple cobalt-catalyzed cycloisomerization of an appropriate nonayne. Its spectral data are in accord with the expectations for a triply angularly fused system, but its calculated ...

    Abstract | Full Text HTML | Hi-Res PDF
• Synthesis of high carbon materials from acetylenic precursors. Preparation of aromatic monomers bearing multiple ethynyl groupsSynthesis of high carbon materials from acetylenic precursors. Preparation of aromatic monomers bearing multiple ethynyl groupsThe Journal of Organic Chemistry

  • Synthesis of high carbon materials from acetylenic precursors. Preparation of aromatic monomers bearing multiple ethynyl groupsSynthesis of high carbon materials from acetylenic precursors. Preparation of aromatic monomers bearing multiple ethynyl groups

    Thomas X. Neenan, George M. Whitesides
    The Journal of Organic Chemistry 1988 53 (11), pp 2489–2496
    Abstract | Hi-Res PDF

Other ACS content by these authors:

• Bruce C. Berris
• George H. Hovakeemian
• Yee Hing Lai
• Helene Mestdagh
• K. Peter C. Vollhardt