The invention presents compounds of formula (I), where R represents H or a suitable carboxylic acid protecting group, which are intermediates in the preparation of therapeutic fused bicyclic amino acids.
该发明提出了式(I)的化合物,其中R代表H或适当的
羧酸保护基,这些化合物是治疗性融合双环
氨基酸制备中的中间体。