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Iterative Cyclopentane Annulation of α,β-Enones

✍ Scribed by Dipl.-Chem. Maria Dorsch; Prof. Dr. Volker Jäger; Dipl.-Chem. Wolfgang Spönlein

Publisher: John Wiley and Sons
Year: 1984
Tongue: English
Weight: 234 KB
Volume: 23
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.198407981

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✦ Synopsis

tation in 3 (AAG' > 6 kcal/mol). 8n-"Antiaromaticity" in the cycloheptatrienide ion, on the other hand, cannot be of much significance energetically, since the difference in barriers for 1 and 2 is only 3.5 kcal/mol. According to the Xray structure analysis, 1 . 2 T H F has a "pentadienide ion" structure (long C2C3 and C4Cs bonds and a short C3C4 h

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