rhenium and technetium mark of hormones

摘要

Organometallic oestrogen complex corresponding to the formula (I): IMAGE in which . A represents a divalent residue of a C1 to C7 alkyl radical or a C2 to C7 alkenyl or alkynyl radical . Mx represents one or more transition metals which are identical or different, . L'y represents one or more ligands, which are identical or different, which complex the said metal(s) Mx, and . L represents a ligand of Mx covalently coupled to A or . L represents "nothing", in which case MxL'y is directly grafted onto a carbon of a triple bond C IDENTICAL C of A which represents an alkynyl, . R represents H or a C1 to C7 alkyl or alkoxy optionally substituted by one or more halogens.