Volume 26, Issue 7 pp. 665-666
Communication
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The First Synthesis of a Benzoborole

Dipl.-Chem. Wolfgang Schacht

Dipl.-Chem. Wolfgang Schacht

Institut für Organische Chemie der Universität, Martin-Luther-King-Platz 6, D-2000 Hamburg 13 (FRG)

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Priv.-Doz. Dr. Dieter Kaufmann

Corresponding Author

Priv.-Doz. Dr. Dieter Kaufmann

Institut für Organische Chemie der Universität, Martin-Luther-King-Platz 6, D-2000 Hamburg 13 (FRG)

Institut für Organische Chemie der Universität, Martin-Luther-King-Platz 6, D-2000 Hamburg 13 (FRG)Search for more papers by this author
First published: July 1987
Citations: 20

This work was supported by the Deutsche Forschungsgemeinschaft.

Graphical Abstract

The flash vacuum pyrolysis of 1-chloro-1-boraindane 1 leads with dehydrogenation to the 1-benzoborole 2. The highly reactive, antiaromatic system dimerizes regiospecifically even at low temperatures to the diboradibenzotetrahydroazulene 3. Trapping reactions with 2-butyne. DCl and CH3OD furnished products which likewise suggest intermediary occurrence of 2.

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