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    • 1. 发明专利
    • RADIATION SENSITIZATION BY COBALT (III) OR IRON (III) COMPLEX
    • JPS62174014A
    • 1987-07-30
    • JP25280486
    • 1986-10-23
    • JOHNSON MASSEY INCDANAAFUAABAA KIYANSAA INST INC
    • ABRAMS MICHAEL JTEICHER BEVERLY A
    • A61K31/28A61K33/24A61K33/26A61P35/00C07F15/02C07F15/04
    • The present invention relates to radiosensitization and, more particularly, to rendering hypoxic cells more sensitive to being killed by X-rays or other forms of irradiation. In particular, the invention is directed to a pharmaceutical composition containing a radio-sensitizing amount of Co (III) or Fe (III) coordination compound selected from the group consisting of: …… (1) compounds having the formula:… [CoNnX6-n] (1)… where n has a value of 3 or 4;… N is an uncharged nitrogen donor atom that is contained in a ligand;… X represents an anionic ligand; and… Y represents the charge on the complex; … (2) compounds having the formula:… (CoA2X D) (2)… where A represents a bidentate or tetradentate negative ligand containing N or O donor atoms:… X and D represent the same or different monodentate ligands; and… Y represents a positive or negative charge on the complex; … (3) compounds having the formula:… [CoZ3] (3)… where Z represents a chelating mononegative ligand; and … (4) Compounds of the formula:… [Fe TT ] (4)… where T and T , which may be the same or different, represent mono-negative tridentate ligands. …… The invention also includes a method for rendering hypoxic cells more sensitive to irradiation which comprises subjecting the cells to treatment using the Co (III) or Fe (III) coordination compounds defined above.