HETEROCYCLIC MONO- AND DICARBAMATES

摘要

The invention relates to novel heterocyclic mono- and dicarbamates (I) in which R1, R2, A, B and D have the meaning given in the description, which are important intermediates for the synthesis of pharmaceutical active substances, in particular for the synthesis of biologically active peptides and peptide mimetics, and to a novel process for their preparation. Le A 28 842 - Foreign countries