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    A Cyclic Porphyrin Tetramer Linked by Azo and Butadiyne Bridges

    Access Status
    Fulltext not available
    Authors
    Basic, Bruno
    McMurtrie, J.
    Arnold, D.
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Basic, B. and McMurtrie, J. and Arnold, D. 2010. A Cyclic Porphyrin Tetramer Linked by Azo and Butadiyne Bridges. European Journal of Organic Chemistry. 2010 (23): pp. 4381-4392.
    Source Title
    European Journal of Organic Chemistry
    Additional URLs
    http://onlinelibrary.wiley.com/doi/10.1002/ejoc.201000388/abstract;jsessionid=6E1661FAD24F3C1D2E493409E4A9DF0F.f03t01
    ISSN
    1434193X
    URI
    http://hdl.handle.net/20.500.11937/34033
    Collection
    • Curtin Research Publications
    Abstract

    A soluble cyclic porphyrin oligomer (CPO) consisting of four5,10-diarylporphyrins linked by alternating azo and butadiynebridges has been synthesised via an aminated dinickel(II) butadiyne dimer. This is the first cyclic tetramerthat combines both azo and butadiyne bridges and extendsthe azoporphyrin family, which comprises only a very few examples. The electronic absorption spectrum of the tetrameris more similar to spectra of azoporphyrins than to thoseof butadiyne-linked dimers or tetramer, exhibiting a twocomponentSoret band with a splitting of 4190 cm–1 and astrongly red-shifted Q band maximum at 735 nm.

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