Highly Selective Cobalt-Mediated [6 + 2] Cycloaddition of Cycloheptatriene and Allenes

Highly Selective Cobalt-Mediated [6 + 2] Cycloaddition of Cycloheptatriene and Allenes

[6 + 2] Cycloadditions between cycloheptatrienes with allenes have been investigated. Cobalt salts were found to promote this transformation efficiently. Moreover, this reaction was found to be highly selective since only one regioisomer was obtained with an excellent E/Z-selectivity.

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Veröffentlicht in:Organic letters 2011-01, Vol.13 (2), p.308-311
Hauptverfasser: Clavier, Hervé, Jeune, Karel Le, Riggi, Innocenzo de, Tenaglia, Alphonse, Buono, Gérard
Format: Artikel
Sprache:eng
Schlagworte:
Alkadienes - chemistry
Catalysis
Chemical Sciences
Cobalt - chemistry
Combinatorial Chemistry Techniques
Cyclization
Cycloheptanes - chemical synthesis
Cycloheptanes - chemistry
Molecular Structure
Organic chemistry
Stereoisomerism
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Zusammenfassung:[6 + 2] Cycloadditions between cycloheptatrienes with allenes have been investigated. Cobalt salts were found to promote this transformation efficiently. Moreover, this reaction was found to be highly selective since only one regioisomer was obtained with an excellent E/Z-selectivity.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol102783x