Diastereoselective synthesis of cycloheptadienol derivatives by a formal [5+2] carbocyclization reaction of alpha,beta,gamma,delta-diunsaturated (methoxy)carbene complexes with methyl ketone lithium enolates
Instituto Universitario de Química Organometálica "Enrique Moles", Unidad Asociada al CSIC, Universidad de Oviedo, Julián Clavería 8, 33006 Oviedo, Spain. barluenga@uniovi.es