ENANTIOPURE HETEROCYCLIC COMPOUND USEFUL FOR THE PREPARATION OF PEPTIDES WHICH CAN BE POTENTIALLY USED AS MEDICAMENTS

摘要

Enantiopure heterocyclic compound Enantiopure heterocyclic compound of formula (I) in which J is chosen from C, N, O and S; Z is H or a group for protecting the amino functional group, R3 denotes H or an organic residue, m is 0, 1 or 2 and n is 0, 1 or 2, and in which the heterocycle is preferably substituted with at least one substituent other than CH2-COOR3.