The invention relates to novel intermediates for the preparation of peptides of pharmacological activity, said intermediates being of the formulas: ##STR1## wherein R.sub.2.sup.r is amino protective group and Y is hydrogen or amino protective group; and : ##STR2##
本发明涉及用于制备具有药理活性的肽的新型中间体,所述中间体的
化学式为:##STR1## 其中R.sub.2.sup.r是
氨基保护基,Y是氢或
氨基保护基;以及:##STR2##