Rhodium(I)-Catalyzed Intramolecular [5+2] Cycloaddition Reactions of Alkynes and Allenylcyclopropanes: Construction of Bicyclo[5.4.0]undecatrienes and Bicyclo[5.5.0]dodecatrienes

Rhodium(I)-Catalyzed Intramolecular [5+2] Cycloaddition Reactions of Alkynes and Allenylcyclopropanes: Construction of Bicyclo[5.4.0]undecatrienes and Bicyclo[5.5.0]dodecatrienes

Come on allene: The [{RhCl(CO)2}2]‐ or [{RhCl(CO)dppp}2]‐catalyzed intramolecular [5+2] cycloaddition of alkyne‐allenylcyclopropanes under mild conditions affords the bicyclo[5.4.0]undecatriene or the larger bicyclo[5.5.0]dodecatriene frameworks (see scheme; dppp=1,3‐bis(diphenylphosphino)propane)....

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Veröffentlicht in:Angewandte Chemie (International ed.) 2010-03, Vol.49 (12), p.2206-2210
Hauptverfasser: Inagaki, Fuyuhiko, Sugikubo, Katsuya, Miyashita, Yusuke, Mukai, Chisato
Format: Artikel
Sprache:eng
Schlagworte:
Alkadienes - chemistry
Alkynes - chemistry
allenes
bicyclic compounds
Bridged Bicyclo Compounds - chemistry
Catalysis
cycloaddition
cyclopropanes
Cyclopropanes - chemistry
rhodium
Rhodium - chemistry
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Beschreibung
Zusammenfassung:Come on allene: The [{RhCl(CO)2}2]‐ or [{RhCl(CO)dppp}2]‐catalyzed intramolecular [5+2] cycloaddition of alkyne‐allenylcyclopropanes under mild conditions affords the bicyclo[5.4.0]undecatriene or the larger bicyclo[5.5.0]dodecatriene frameworks (see scheme; dppp=1,3‐bis(diphenylphosphino)propane).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200906994