✦ LIBER ✦

Hetero Analogs of Sesquifulvalene

✍ Scribed by Doz. Dr. G. Seitz

Publisher: John Wiley and Sons
Year: 1969
Tongue: English
Weight: 397 KB
Volume: 8
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.196904781

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✦ Synopsis

Heterosesquijiulvalenes containing sulfuv or oxygen as hetero atom may be prepared, e.g., by condensation of cyclopentadienes with thiopyrones or pyrones in acetic anhydride.

Heterosesquijiulvalenes containing nitrogen can be obtained from the oxygen compounds by 0,N-exchange. The ground state of all these compounds is determined mainly by the nonpolar resonance formula.

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