| abstract |
Process for the preparation of enantiomerically pure 2,2-disubstituted 1,3-dioxolane-4-methanols or N, 2,2-trisubstituted 4-aminomethyl-1,3-dioxolanes from the corresponding cyclic ketals of erythronic or threonic acid or salts thereof electrochemical oxidative decarboxylation and subsequent reduction or reductive amination. |