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2,5,7,10-Tetrakis(trimethylsilyl)-1,6-methano[10]annulene, a Fluxional Valence Tautomer with Cyclopolyolefin Structure

✍ Scribed by Prof. Dr. Richard Neidlein; Dipl.-Chem. Wolfgang Wirth; Priv.-Doz. Dr. Alfred Gieren; Dr. Viktor Lamm; Dipl.-Chem. Thomas Hübner

Publisher: John Wiley and Sons
Year: 1985
Tongue: English
Weight: 223 KB
Volume: 24
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.198505871

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✦ Synopsis

Dedicated to Projessor RoCf Huisgen on the occasion of his 65th birthday 1,6-Methano[ IOIannulene 1 has an aromatic structure with a Hiickel Ion-electron system in the perimeter.",*] Depending on the substituents, isolable valence tautomers NC CN can occur; thus, the derivative 2 with dicyano-substituted methano-bridge and having a norcaradiene crystal structure has already been reported.[31 1) nBuLi, KOtBu TMEDA 1 -2) MesSiCl

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