Daasbjerg, K., Knudsen, SR, Sonnichsen, KN. Andradc, AR and Pedersen, SU. 1999. Systematic Ranking of Nucleophiles as Electron Donors.—Acta Chem. Scand. 53: 938 948.(6) Acta Chemica Scandinavica 1999. A systematic ranking of different nucleophiles (including enolates, phenolates. thiophenolates, hydroxide, cyanide) with respect to their ability to stabilise the transition state of substitution reactions has been carried out in ...