Aluminum carbenoids in allene cyclopropanation

Aluminum carbenoids in allene cyclopropanation

The reactions of aluminum carbenoids with alkyl- and phenyl-substituted allenes and cyclic allenes are studied. The reactions of aluminum carbenoids with alkyl- and phenyl-substituted allenes and cyclic allenes are studied. An efficient method for the synthesis of substituted spiropentanes was devel...

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Veröffentlicht in:Tetrahedron letters 2010-12, Vol.51 (48), p.6268-6269
Hauptverfasser: Ramazanov, Ilfir R., Yaroslavova, Alsu V., Dzhemilev, Usein M., Nefedov, Oleg M.
Format: Artikel
Sprache:eng
Schlagworte:
Allene
Aluminum
Derivatives
Synthesis (chemistry)
Tetrahedrons
Transformations
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Zusammenfassung:The reactions of aluminum carbenoids with alkyl- and phenyl-substituted allenes and cyclic allenes are studied. The reactions of aluminum carbenoids with alkyl- and phenyl-substituted allenes and cyclic allenes are studied. An efficient method for the synthesis of substituted spiropentanes was developed. 1,2-Cyclononadiene was selectively converted into bicyclo[7.1.0]dec-1-ene. An unusual transformation of α-methylphenylallene into a spiroindane derivative under the action of Et 3Al–CH 2I 2 was found.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2010.09.093