The relationship between the energies of carbanions, R–, and their lithiated counterparts, RLi. An ab initio study
Abstract
While the methyl stabilisation energies of fifteen C1–C3 organolithium compounds, RLi, reflect (attentuation factor = 0·71) the methyl stabilisation energies of the corresponding anions, R–, deviations are found when the degree of charge localisation or delocalisation is changed significantly by association with lithium.