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Synlett 1997; 1997(9): 1040-1042
DOI: 10.1055/s-1997-1539
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Stereospecific [4+2] Reaction between 2-Morpholino-1,3-butadienes and α,β-Unsaturated Exocyclic Chromium Carbene Complexes. Preparation of Enantiomerically Pure Spiro Compounds

José Barluenga1 , Fernando Aznar2 , Sofía Barluenga2 , Santiago García-Granda3 , Carmen Alvarez-Rúa3
  • 1Instituto Universitario de Química Orgánometalica”Enrique Moles”-Unidad Asociada al C.S.I.C., Fax 34 8 5103446; e-mail: Barluenga@sauron.uniovi.es
  • 2Instituto Universitario de Química Orgánometalica”Enrique Moles”-Unidad Asociada al C.S.I.C.
  • 3Departamento de Química Física y Analítica (X-Ray Analysis), Facultad de Química, Julian Clavería 8, Universidad de Oviedo, 33071-Oviedo, Spain
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Publication History

Publication Date:
31 December 2000 (online)

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A stereospecific exoselective [4+2] reaction between α,β-unsaturated exocyclic chromium carbene complexes and 2-amino-1,3-butadienes is described. Its application employing homochiral carbene complexes gives rise to the optically pure spiro-lactones.

2-morpholino-1,3-butadienes - chromium carbene - [4+2] reaction - spiro-compounds - β-lactones