title: Determination of the effect of cation-pi interactions on the stability of alpha-oxy-organolithium compounds.
abstract: Sn-Li exchange equilibria have allowed the quantification of the stabilizing effect of cation-pi interactions in organolithium chemistry. Stabilization energy data on the effect of Li-pi complexation of an aromatic ring or a CC double bond in organolithium compounds are presented. The amount of stabilization gained by complexation of the Li atom with a pi system in alpha-oxy-organolithium compounds is quite comparable to the one observed in systems containing Li-N or Li-O interactions.
authors.affiliation: Departamento de Química Orgánica, Universidad de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
authors.forename: Pablo
authors.initials: P
authors.lastname: Monje
authors.forename: M Rita
authors.initials: MR
authors.lastname: Paleo
authors.forename: Luis
authors.initials: L
authors.lastname: García-Río
authors.forename: F Javier
authors.initials: FJ
authors.lastname: Sardina
mesh_terms: D002412:Cations / Q000737:chemistry; D008094:Lithium / Q000737:chemistry*; D008968:Molecular Conformation; D009942:Organometallic Compounds / Q000138:chemical synthesis / Q000737:chemistry*; D013237:Stereoisomerism
chemical_list: D002412:Cations; D009942:Organometallic Compounds; D008094:Lithium