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PtCl 2 ‐Catalyzed [6+2] Cycloaddition of Alkynes Tethered to Cycloheptatriene
Author(s) -
Tenaglia Alphonse,
Gaillard Sylvain
Publication year - 2008
Publication title -
angewandte chemie
Language(s) - German
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.200705482
Subject(s) - cycloaddition , cycloheptatriene , chemistry , stereochemistry , medicinal chemistry , catalysis , organic chemistry
6+2 oder 6+1? Achtgliedrige Ringe kennzeichnen die Produkte der PtCl 2 ‐katalysierten intramolekularen formalen [6+2]‐Cycloaddition von Alkinylcycloheptatrienen (siehe Schema). Substrate mit Heteroatomen in der Brücke führen zu komplexen Heterocyclen, höhere Temperaturen resultieren in einer ungewöhnlichen formalen [6+1]‐Cycloaddition.

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