Total synthesis of the biphenomycins; II. Synthesis of protected (2S,4R)-4-hydroxyornithines

Article abstract of DOI:10.1055/s-1991-26480

Improved synthetic methods for the preparation of three differently protected (2S,4R)-4-hydroxyornithine (10, 16, 24) have been developed which obviously can be used for the construction of the other stereoisomers. Formation of the corresponding α,β-dideh