A compound of formula I wherein PROT is an amine protecting group and PROT' is hydrogen; or PROT and PROT' together with the nitrogen atom to which they are attached form a heterocyclic ring as an amine protecting group, and PROT" is a thiol protecting group, processes for its production, intermediates in their production and production of intermediates in stereoisomerically pure form, and their use for the production of pharmaceutically active compounds.
式I的化合物,其中PROT是
氨基保护基团,PROT'是氢;或者PROT和PROT'与它们连接的氮原子一起形成一个杂环环作为
氨基保护基团,PROT"是
硫醇保护基团,其生产方法,其生产中间体以及立体异构纯形式的中间体的生产,以及它们用于生产药用活性化合物。