Peptides modified by the phosphine group for marking with 99mTC and 186-188Re or paramagnetic agents

摘要

The peptides described are modified with the phosphine group and are useful for marking with ^99mTc and ^186-188Re or paramagnetic agents for use in diagnosis and radiotherapy; in particular chelating compounds having the co-ordinating sets PN₂X, where X is -S, -O, COO-, PN₃, P₂N₃ and P₂N₂ are described.