Synthesis of 5,5′-Biazulenyl

Authors

  • Dipl.-Chem. Manfred Hanke,

    1. Organisch-chemisches Institut der Technischen Universität München, Lichtenbergstrasse 4, D-8046 Garching (Germany)
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  • Prof. Dr. Christian Jutz

    Corresponding author
    1. Organisch-chemisches Institut der Technischen Universität München, Lichtenbergstrasse 4, D-8046 Garching (Germany)
    • Organisch-chemisches Institut der Technischen Universitát München, Lichtenbergstrasse 4, D-8046 Garching (Germany)
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  • This work was supported by the Deutsche Forschungsgemeinschaft and the Founds der Chemischen Industrie.

Abstract

original image

The directed synthesis of 5,5′-biazulenyl(2) (bluish-black crystals) has been accomplished by Ziegler-Hafner reaction from the pentamethinium salt (1), X[DOUBLE BOND]ClO4, and cyclopentadiene. A dark-red bisfulvene is formed as intermediate.

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