Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Magnetic imaging agent
Patent
1995-01-12
1997-07-08
Kight, John
Drug, bio-affecting and body treating compositions
In vivo diagnosis or in vivo testing
Magnetic imaging agent
424 942, 534 15, 534 16, A61K 4900
Patent
active
056458185
ABSTRACT:
The invention relates to ligands having the formula (I), in which X represents a heterocyclic group, together with the process for their preparation. The invention also concerns mono- or polymetallic complexes formed by said ligands with metallic ions selected from lanthanide ions, transition metal ions, barium ion, bismuth ion, lead ion and the radioisotopes 99m.sub.Tc, 111.sub.In, 90.sub.Y, 64.sub.Cu and 169.sub.Yb, as well as salts physiologically acceptable to these complexes. The salts of said complexes can be used as diagnostic and therapeutic agents in magnetic resonance imaging, radiology, in vivo chemical displacement agents and in nuclear medicine.
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Newkome et al., "Octahedral Complexes Derived from a Hexaaza-18-crown-6 Ligand: 3,6,12,15-Tetramethyl-18{N(2,6)-Pyridino, N-1,2,1].sub.2 -coronand-6}", Inorganica, Chimica Acta, 77(1983), L47-L49.
Jackels Susan C.
Meyer Dominique
Guerbet S.A.
Kelley Lara Chapman
Kight John
Wake Forest University
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