Process for the preparation of 6-(alkoxy)carbonylamino-9H-Purine-9-acetic acid and 4-(alkoxycarbonyl)amino-2-oxo-1(2H)-Pyrimidineacetic acid derivatives as synthons for the synthesis of peptide nucleic acids

摘要

A process is disclosed for the preparation of6-[[(alkoxy)carbonyl]amino]-9H-Purine-9-acetic acid and4-[(alkoxycarbonyl)amino]-2-oxo-1(2H)-Pyrimidineacetic acid derivatives as synthons for the synthesis of peptide nucleic acids:or