Addition of Aryl Isocyanides to 1,4-Quinones: Synthesis of Novel Deep-Blue Dyes

Authors

  • Dr. Walter Ott,

    Corresponding author
    1. Institut für Organische Chemie der Universität, Heinrichstrasse 28, A-8010 Graz (Austria)
    • Institut für Organische Chemie der Universität Heinrichstrasse 28, A-8010 Graz (Austria)
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  • Dr. Victor Formacek

    1. Bruker Analytische Messtechnik Silberstreifen, D-7512 Rheinstetten (Germany)
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Abstract

original image

1,4-Benzoquinone reacts with 4-substituted aryl isocyanides to give the adducts (1)–(3), whose longest wavelength absorption maximum lies at ca. 600 nm. The structure of the symmetric compounds (2) and (3) could be determined by 13C-NMR spectroscopy.

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