Ligands and cationic complexes thereof with technetium-99m

Drug – bio-affecting and body treating compositions – Radionuclide or intended radionuclide containing; adjuvant...

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534 14, 568 13, 568 70, 549357, 549415, 549448, 549472, A61K 4300, C07F 1300

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active

050453025

ABSTRACT:
This invention concerns novel bidentate ligands L having two phosphorus or arsenic atoms. Cationic complexes of the ligands with Technetium-99m, e.g. having the formula [TcO.sub.2 L.sub.2 ].sup.+, are useful for body imaging, particularly myocardial imaging. The ligands have the general formula

REFERENCES:
patent: 4451450 (1984-05-01), Subramanyam
patent: 4526776 (1985-07-01), Subramanyam et al.
patent: 4916214 (1990-04-01), Chiu et al.

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