| abstract |
The invention relates to a process for the preparation ofnAmino acid esters and / or their acid addition saltsnmonomeric or polymeric amino acids, peptides, proteins andnAlcohols, which is characterized in that thenReaction in supercritical alcohols, preferably at pressuresnand temperatures that are at least 5% above the critical parametersnare carried out, wherein the alcohols are both asnSolvent and serve as reactants. |